Update date: Jul 08, 2026 | 293 Pages | Report ID: SFC-005683
Undecylenic Acid Market
DMA IntelligenceUndecylenic Acid Market Intelligence Report 2026 — Updated June 2026
Segments: Product Type (Pharmaceutical Grade, Cosmetic Grade, Industrial Grade), Application (Pharmaceuticals, Personal Care & Cosmetics, Food & Beverages, Industrial, Others), End-Use Industry (Healthcare, Personal Care, Food Industry, Chemical Industry, Others), Distribution Channel (Direct Sales, Distributors/Wholesalers, Online Retail, Others), By Region, And Segment Forecasts
$290.0M
Market Size, 2025
$306.5M
Market Estimate, 2026
$451.9M
Market Forecast, 2033
5.7%
CAGR, 2026–2033
Undecylenic Acid Market Size, Share & Key Insights
The Undecylenic Acid Market size was valued at USD 290.00 Million in 2025, and the market is projected to grow from USD 306.53 Million in 2026 to USD 451.85 Million by 2033, growing at a CAGR of 5.7% during the forecast period 2026–2033. The market saw distributed global demand in 2025.
Study Overview
 Study Period | 2021 - 2033 |
 Base Year | 2025 |
 Estimated Year | 2026 |
 Forecast Period | 2026-2033 |
 Historical Range | 2021-2025 |
| Units | USD Million |
 Coverage | Global | North America, Europe, Asia-Pacific, Latin America, Middle East & Africa |
 Deliverables | PDF + Excel Data Pack |
Major Market Players
Key Takeaways: Undecylenic Acid Market
- In 2025, the global Undecylenic Acid market size was estimated to be USD 290 Million
- Projected to grow at a 5.7% CAGR, reaching a valuation of USD 448.97 Million by 2033
- The Natural Undecylenic Acid category accounted for the highest market share of 57.25% within the Product Type segment
- Synthetic Undecylenic Acid captured a substantial 42.75% of the total revenue in 2025
- Regionally, North America emerged as the top market, generating USD 95 Million and securing a 32.76% share
- Primary market growth drivers include increasing demand for bio-based chemicals and rising prevalence of fungal infections globally
- Key industry player Jayant Agro-Organics Limited strengthened its market position via strategic partnerships to expand market reach in Europe
Market Definiton and Strategic Context
The Undecylenic Acid Market refers to the global industry involved in the production, distribution, and application of undecylenic acid, an organic fatty acid primarily derived from castor oil or synthesized chemically. This versatile compound is characterized by its unique chemical structure, including a double bond and a carboxylic acid group, which lends itself to a broad spectrum of industrial applications. Its primary utility stems from its potent fungicidal and antimicrobial properties, making it a critical ingredient in the pharmaceutical and personal care sectors for treating fungal infections and as a preservative. Beyond its therapeutic uses, undecylenic acid serves as a vital building block in the chemical industry for synthesizing various derivatives, including esters, amides, and polymers. These derivatives find application in the production of specialized lubricants, fragrances, plastics, and agrochemicals, contributing to the industry's expansion. The market is driven by increasing demand for bio-based chemicals, growing awareness of health and hygiene, and continuous innovation in end-use applications. The Undecylenic Acid market size was estimated at USD 290 million in 2025, reflecting its established presence and growing relevance across diverse industries. The market forecast indicates a robust growth outlook, propelled by advancements in synthesis technologies, expanding applications in emerging economies, and a sustained shift towards sustainable and natural ingredients. Industry expansion is also influenced by regulatory standards concerning product safety and environmental impact, which encourage the adoption of high-purity and sustainably sourced undecylenic acid. Understanding the dynamics of this market is crucial for stakeholders to identify growth opportunities, navigate competitive landscapes, and leverage technological advancements for future strategic positioning. The market's trajectory is also shaped by raw material availability and pricing, as castor oil remains a key source, leading to ongoing efforts in optimizing supply chains and exploring alternative synthetic routes to ensure consistent market supply and stability.
| Report Attribute | Details |
|---|---|
| Market size value in 2025 | USD 290.00 Million |
| Revenue forecast in 2033 | USD 451.85 Million |
| Growth rate | CAGR of 5.7% from 2025 to 2033 |
| Actual data | 2021 - 2024 |
| Forecast period | 2025 - 2033 |
| Quantitative units | Revenue in USD Million and CAGR from 2025 to 2033 |
| Report coverage | Revenue forecast, company share, competitive landscape, growth factors, and trends |
| Segments covered | Product Type, Application, End-Use Industry, Distribution Channel |
| Regional scope | North America; Europe; APAC; Latin America; MEA |
| Country scope | All; All; All; All; All |
| Key companies profiled | Arkema S.A.; BASF SE; Hokoku Corporation; Jayant Agro-Organics Limited; Kokyu Alcohol Kogyo Co., Ltd.; Emery Oleochemicals; Sabic; Shandong Huatai Interox Chemical Co., Ltd.; Vertellus Holdings LLC; Haihang Industry Co., Ltd.; Taj Agro Products Limited; Acme Synthetic Chemicals; Ivy Fine Chemicals; Santa Cruz Biotechnology, Inc.; Tokyo Chemical Industry Co., Ltd. (TCI); Spectrum Chemical Manufacturing Corp.; Penta Manufacturing Company; Merck KGaA; Thermo Fisher Scientific Inc.; Alfa Aesar (a Thermo Fisher Scientific brand) |
| Customization scope | Free report customization (equivalent to 8 analysts working days) with purchase. Addition or alteration to country, regional & segment scope. |
| Pricing and purchase options | Avail customized purchase options to meet your exact research needs. Explore purchase options |
Growth Catalysts & Market Constraints
The Undecylenic Acid market is navigating a dynamic landscape shaped by evolving industrial demands and sustainability imperatives. Growth is primarily driven by the increasing adoption of bio-based chemicals across diverse sectors, alongside a surge in demand from pharmaceutical and personal care industries due to its proven antifungal properties. However, the market faces constraints related to raw material price volatility and stringent regulatory approvals, which necessitate strategic adjustments from manufacturers. The market's growth forecast remains positive, reflecting a sustained interest in natural and functional ingredients, but industry participants must address supply chain resilience and compliance challenges. Understanding these multifaceted dynamics is essential for stakeholders to capitalize on opportunities and mitigate potential risks within the Undecylenic Acid market.
Growth Drivers
- The increasing demand for bio-based chemicals across various industries, driven by growing environmental concerns and consumer preference for sustainable products, is a significant growth driver for the undecylenic acid market. Its natural origin and versatile properties make it an attractive alternative to petroleum-derived chemicals, especially in cosmetics and personal care, aligning with global green chemistry initiatives and enhancing its market appeal.
- Rising prevalence of fungal infections globally, particularly dermatological conditions like athlete's foot and ringworm, is boosting the demand for undecylenic acid in pharmaceutical and medical applications. Its proven antifungal efficacy makes it a key active ingredient in over-the-counter and prescription topical treatments, expanding its therapeutic market share and driving consistent demand from healthcare providers and consumers.
Restraints
- Fluctuations in the price and availability of castor oil, the primary natural raw material for undecylenic acid, pose a significant restraint on market growth. Geopolitical factors, climate change impacts on agriculture, and competition for castor oil from other industries can lead to supply chain disruptions and increased production costs, thereby affecting profit margins and market stability for manufacturers.
- Stringent regulatory frameworks and complex approval processes for new chemical ingredients, particularly in pharmaceutical and cosmetic applications, can hinder market expansion. Compliance with evolving safety and environmental standards requires substantial investment in R&D and testing, increasing time-to-market and posing significant barriers for new entrants.
Opportunities
- Expansion into emerging economies, particularly in Asia Pacific and Latin America, presents significant growth opportunities. Increasing disposable incomes, growing awareness of personal hygiene, and expanding manufacturing bases in these regions are driving demand for undecylenic acid in various end-use applications, offering new revenue streams and market penetration avenues for global players.
- Development of new applications and derivatives of undecylenic acid beyond its traditional uses offers substantial market potential. Research into its use in advanced polymers, specialized lubricants, and as a building block for novel bio-polyamides could open up new high-value market segments, fostering innovation and diversification of product portfolios for market leaders.
Challenges
- The availability of synthetic alternatives and substitutes, some of which may offer similar functionalities at lower costs or with easier regulatory pathways, poses a competitive challenge to the undecylenic acid market. Continuous innovation and cost optimization are crucial for maintaining market share and differentiating products against these alternatives, demanding sustained investment in process efficiency.
- Ensuring consistent product quality and purity across varied manufacturing processes and sources is a challenge. Contaminants or variations in specifications can impact efficacy and regulatory compliance, particularly for pharmaceutical and cosmetic grades, requiring robust quality control measures and significant investment in advanced analytical techniques to meet stringent industry standards.
Market Level Breakdown
The Undecylenic Acid market is primarily segmented by Product Type into Natural Undecylenic Acid and Synthetic Undecylenic Acid. Natural undecylenic acid, derived from castor oil, holds a significant market share due to its bio-based origin and consumer preference for natural ingredients, especially in personal care and pharmaceutical applications. Synthetic undecylenic acid provides a consistent supply option, often used in industrial applications where specific purity levels or cost-effectiveness are critical. The interplay between these two product types reflects the industry's balance between sustainability goals and manufacturing efficiency, shaping the overall Undecylenic Acid market size and growth trajectory.
By Application, the Undecylenic Acid market is divided into Pharmaceuticals, Cosmetics & Personal Care, Agrochemicals, Polymers & Lubricants, and Others. The Pharmaceuticals segment represents a major application area, driven by the compound's antifungal properties for treating various skin conditions. Cosmetics & Personal Care also contributes substantially, utilizing undecylenic acid as an antimicrobial and preservative. Its role in Agrochemicals, Polymers & Lubricants, and other niche applications highlights its versatility and broad industrial utility, underscoring the diverse demand drivers across the Undecylenic Acid industry expansion.
Undecylenic Acid Segmentation Breakdown
- Product Type
- Pharmaceutical Grade
- Cosmetic Grade
- Industrial Grade
- Application
- Pharmaceuticals
- Personal Care & Cosmetics
- Food & Beverages
- Industrial
- Others
- End-Use Industry
- Healthcare
- Personal Care
- Food Industry
- Chemical Industry
- Others
- Distribution Channel
- Direct Sales
- Distributors/Wholesalers
- Online Retail
- Others
Geographic Performance & Regional Trends
North America emerged as the largest market for Undecylenic Acid in 2025, primarily due to advanced healthcare infrastructure, high consumer awareness regarding personal hygiene, and a well-established pharmaceutical and cosmetics industry. The region's robust regulatory framework also encourages the use of high-quality, approved ingredients. Conversely, Asia Pacific is projected to be the fastest-growing market, driven by rapid industrialization, increasing disposable incomes, and expanding applications in agrochemicals and personal care products across countries like China and India. This regional disparity in Undecylenic Acid market growth reflects varying stages of economic development and industry maturity.
Regional Growth Drivers
- North America: The region's mature pharmaceutical and personal care industries, coupled with strong consumer demand for antifungal treatments and bio-based ingredients, drive consistent growth. High R&D investments in the United States and Canada lead to new product formulations and applications, maintaining market leadership and fostering innovation within the Undecylenic Acid market.
- Europe: Stringent regulatory standards for product safety and environmental sustainability promote the adoption of high-purity undecylenic acid in pharmaceuticals and cosmetics. Countries like Germany, the United Kingdom, and France benefit from a strong chemical manufacturing base and a focus on sustainable sourcing, influencing the regional Undecylenic Acid market growth.
- Asia Pacific: Rapid economic development, increasing population, and rising health and hygiene awareness fuel significant demand in emerging economies. Expanding manufacturing capabilities in China, Japan, and India for pharmaceuticals, cosmetics, and agrochemicals contribute to the region's highest CAGR, positioning it as a key market for future Undecylenic Acid industry expansion.
- Latin America: Growing industrialization and urbanization, along with increasing foreign investments in the chemical and personal care sectors, are boosting the consumption of undecylenic acid. Countries like Brazil and Mexico are witnessing a rise in demand for both pharmaceutical and cosmetic applications, driven by improving economic conditions and consumer purchasing power.
- Middle East & Africa: Expanding healthcare infrastructure, rising awareness about fungal infections, and increasing investments in the cosmetic and personal care industries contribute to market growth. The region, particularly Saudi Arabia and South Africa, is gradually adopting advanced chemical ingredients, reflecting a nascent but promising outlook for the Undecylenic Acid market.
The regional Undecylenic Acid market forecast suggests a continued divergence in growth trajectories, with mature markets in North America and Europe focusing on premium, high-purity applications and sustainable sourcing. Emerging markets in Asia Pacific and Latin America, conversely, are expected to drive volume growth through expanding industrial bases and increasing consumer adoption. Suppliers will need to tailor their strategies to address these distinct regional dynamics, emphasizing innovation and regulatory compliance in developed economies, while prioritizing cost-effectiveness and market penetration in high-growth regions to capitalize on the overall Undecylenic Acid market outlook.
Competitive Insights & Leading Companies
The competitive landscape of the Undecylenic Acid market is moderately consolidated, characterized by the presence of a few large, established players alongside several regional and niche manufacturers. Global players like Arkema S.A., BASF SE, and Jayant Agro-Organics Limited dominate a significant share, leveraging their extensive production capacities, integrated supply chains, and global distribution networks. Regional manufacturers often specialize in specific grades or cater to local markets, offering flexibility and customized solutions. Key competitive levers in this market include pricing strategies, where cost-efficiency in raw material sourcing and production plays a crucial role, especially given the volatility of castor oil prices. Distribution channel strength is also vital, ensuring timely and efficient delivery to diverse end-use industries such as pharmaceuticals, cosmetics, and agrochemicals. Furthermore, product innovation, particularly in developing high-purity grades and novel derivatives, provides a competitive edge. Adherence to regulatory approvals and certifications, especially for pharmaceutical and food-grade applications, is paramount, acting as a barrier to entry for smaller players and a differentiator for established companies in the Undecylenic Acid competitive landscape. Strategic alliances and partnerships are also common, enabling companies to expand their geographical footprint and enhance their product portfolios.
Companies in the Undecylenic Acid market employ various strategies to maintain and enhance their market position. Mergers and acquisitions are often pursued to consolidate market share, gain access to new technologies, or expand into new geographic territories. Product launches, particularly of bio-based and sustainable formulations, are critical for meeting evolving consumer preferences and regulatory requirements. R&D investments are directed towards optimizing synthesis processes, improving product purity, and exploring new applications in areas like advanced polymers and specialized lubricants. Differentiation is achieved through several factors: technological superiority in extraction and synthesis, strong brand reputation built on consistent quality, and robust customer service models. Companies also focus on supply chain integration, from castor bean cultivation to final product delivery, to ensure raw material security and cost control. However, the industry faces challenges such as margin pressure due to fluctuating raw material costs and intense competition, compliance costs associated with evolving environmental and safety regulations, and the risk of commoditization for standard grades. Strategic localization of manufacturing and distribution facilities helps in mitigating supply chain risks and catering to regional demands more effectively, contributing to the overall Undecylenic Acid key players' strategic outlook. The ability to navigate these challenges while capitalizing on opportunities for sustainable growth remains a key determinant of success.
Undecylenic Acid Key Companies
- Arkema S.A.
- BASF SE
- Hokoku Corporation
- Jayant Agro-Organics Limited
- Kokyu Alcohol Kogyo Co., Ltd.
- Emery Oleochemicals
- Sabic
- Shandong Huatai Interox Chemical Co., Ltd.
- Vertellus Holdings LLC
- Haihang Industry Co., Ltd.
- Taj Agro Products Limited
- Acme Synthetic Chemicals
- Ivy Fine Chemicals
- Santa Cruz Biotechnology, Inc.
- Tokyo Chemical Industry Co., Ltd. (TCI)
- Spectrum Chemical Manufacturing Corp.
- Penta Manufacturing Company
- Merck KGaA
- Thermo Fisher Scientific Inc.
- Alfa Aesar (a Thermo Fisher Scientific brand)
Undecylenic Acid Market Ecosystem
Ecosystem Participants
- Manufacturers — These entities are at the core of the Undecylenic Acid market, producing the compound from either natural castor oil or through synthetic routes. Their focus is on achieving high purity, optimizing production costs, and scaling output to meet the diverse demands of various downstream industries. They continually invest in research and development to refine synthesis processes and explore new derivatives, ensuring product innovation and quality control. Key operational responsibilities include raw material procurement, process optimization, quality assurance, and managing environmental impact, often collaborating with agricultural partners for castor oil supply.
- Raw Material Suppliers — Primarily involved in the cultivation and processing of castor beans, which yield castor oil, the main natural feedstock for undecylenic acid. These suppliers ensure the quality and consistent supply of raw materials, which is critical given the agricultural nature of castor production. Their role is vital in managing supply chain stability and pricing, directly influencing the manufacturers' production costs and market competitiveness. Dependencies include weather patterns, agricultural practices, and global commodity prices, which can introduce volatility.
- Distributors & Suppliers — These participants act as crucial intermediaries, bridging the gap between manufacturers and a wide array of end-users. They manage the logistics, warehousing, and efficient distribution of undecylenic acid, ensuring timely delivery and inventory management. They often provide value-added services such as custom packaging, technical support, and regulatory guidance, facilitating market access for specialized grades. Their extensive networks and market knowledge are critical for reaching diverse geographical and industrial segments, optimizing the value flow from production to consumption.
- End-Use Industries — This segment comprises the various sectors that utilize undecylenic acid as a key ingredient, including pharmaceuticals (antifungal medications), cosmetics & personal care (antimicrobial agents, preservatives), agrochemicals (fungicides, plant growth regulators), and polymers & lubricants (specialty chemicals). These industries drive the demand for undecylenic acid based on their product development cycles, consumer preferences for specific formulations, and evolving regulatory requirements. Their purchasing decisions are influenced by product efficacy, cost-effectiveness, and sustainability credentials, directly impacting market trends and innovation requirements.
- Regulatory Bodies & Certifying Agencies — These organizations establish and enforce standards for the production, quality, and safe use of undecylenic acid across different applications. They ensure compliance with health, safety, and environmental regulations, influencing market entry, product formulation, and labeling requirements. Their role is critical in maintaining consumer trust and industry integrity, often necessitating manufacturers and distributors to invest in rigorous testing and certification processes to meet global and regional standards. This oversight introduces compliance costs but ensures high product quality.
- Research & Development Institutions — Academic and private research entities play a pivotal role in advancing the Undecylenic Acid market through scientific discovery and innovation. They conduct studies on novel applications, develop improved synthesis methods, and investigate sustainability aspects, such as bio-based alternatives and waste reduction. Their contributions lead to new product opportunities, enhanced production efficiencies, and a deeper understanding of undecylenic acid's properties, driving long-term market growth and technological progress. Collaboration with manufacturers is common for commercializing new findings.
Report Coverage & Key Deliverables
The report delivers a comprehensive analysis of the Undecylenic Acid, combining quantitative data with qualitative insights to provide a holistic understanding of the market. It is meticulously structured to offer actionable intelligence for strategic decision-making, covering market dynamics, competitive landscape, and regional growth opportunities. Business leaders, investors, and industry professionals can leverage this report to identify emerging trends, assess market potential, and benchmark their performance against key competitors. The in-depth analysis of segmentation, including product type and application, allows for a granular view of market drivers and restraints, enabling stakeholders to refine their product development and market entry strategies. Furthermore, the report’s detailed regional analysis provides a nuanced perspective on growth trajectories and investment hotspots, facilitating informed geographical expansion plans. By integrating historical data with robust forecasts, this report serves as an indispensable tool for understanding the past, present, and future landscape of the Undecylenic Acid market, ensuring a clear and concise overview for all readers seeking to capitalize on market opportunities and mitigate risks.
Report Coverage
- Market Size Estimates (historical and forecast)
- This section provides precise market size figures, covering historical data from 2021 to 2025 and a detailed forecast extending to 2033. The methodology integrates primary and secondary research, triangulating data points from industry associations, company reports, and expert interviews to ensure accuracy and reliability. It offers a clear trajectory of the Undecylenic Acid market's valuation over time, essential for strategic planning and investment analysis.
- Detailed Segmentation And Revenue Analysis
- The report meticulously breaks down the Undecylenic Acid market by Product Type (Natural, Synthetic) and Application (Pharmaceuticals, Cosmetics & Personal Care, Agrochemicals, Polymers & Lubricants, Others). Each segment is analyzed for its revenue contribution, growth rate, and key trends, providing a granular understanding of market dynamics and identifying high-growth areas for targeted business development and resource allocation strategies.
- Regional And Country-Level Insights
- This section offers an in-depth regional analysis covering North America, Europe, Asia Pacific, Latin America, and Middle East & Africa, along with key country-level data. It highlights regional market shares, growth drivers, and prevailing trends, enabling stakeholders to understand geographical nuances, identify lucrative markets, and tailor their strategies to specific regional demands and regulatory environments.
- Competitive Benchmarking Of Key Players
- A comprehensive competitive analysis profiles leading companies in the Undecylenic Acid market, evaluating their market strategies, product portfolios, recent developments, and market positioning. This includes an assessment of their strengths, weaknesses, opportunities, and threats, offering crucial insights for competitive intelligence and strategic partnership considerations, helping businesses to benchmark performance effectively.
- Customization Options Based on Specific Requirements
- The report offers flexible customization options, allowing clients to tailor the scope and depth of analysis to their specific business needs. This includes additional segment breakdowns, country-specific data, or deeper dives into particular application areas. This ensures the report delivers maximum relevance and value, providing bespoke insights beyond the standard offering to address unique research objectives.
Recent Industry Insights
The Undecylenic Acid industry trends over the last 12-18 months underscore a strategic shift towards sustainability, product diversification, and market expansion through partnerships. Manufacturers are increasingly focusing on enhancing the purity and bio-based content of undecylenic acid to meet growing consumer demand for natural ingredients, especially in cosmetics and personal care. Significant investments have been observed in R&D to explore novel applications beyond traditional antifungal treatments, such as in advanced polymers and specialized lubricants. Geographically, key players are forging strategic alliances to penetrate emerging markets in Asia Pacific and Europe, capitalizing on rising industrial demand and evolving regulatory landscapes. These developments highlight the industry's proactive approach to innovation and market growth amidst increasing environmental scrutiny and supply chain dynamics, shaping the future Undecylenic Acid market outlook.
Key Market Developments
- January 2025: Jayant Agro-Organics Limited announced a strategic partnership with a European chemical distributor to expand its market reach for specialty oleochemicals, including undecylenic acid, in Germany and France.
- November 2024: Vertellus Holdings LLC launched a new line of bio-based ingredients derived from castor oil, featuring enhanced grades of undecylenic acid for the personal care and polymer industries, highlighting sustainability benefits.
- September 2024: BASF SE invested in expanding its production capacity for high-purity undecylenic acid at its Germany facility to meet the rising demand from pharmaceutical and agrochemical sectors.
- July 2024: A new study published by a leading research institute highlighted the potential of undecylenic acid as a key ingredient in novel anti-biofilm formulations, opening avenues for new medical applications.
- April 2024: Shandong Huatai Interox Chemical Co., Ltd. received new environmental certifications for its undecylenic acid production process, enhancing its competitive edge in sustainable sourcing and manufacturing.
Analyst Opinion
The Undecylenic Acid market exhibits a promising outlook, characterized by steady growth driven by its versatile applications and increasing demand for bio-based chemicals. Market attractiveness remains high, particularly in the pharmaceutical and personal care sectors, where its antifungal properties are highly valued. The competitive intensity is moderately consolidated, with established global players dominating through economies of scale and diversified product portfolios, while regional manufacturers carve out niches with specialized offerings. The demand-supply balance is generally stable, although subject to fluctuations influenced by castor oil availability and pricing volatility. This necessitates a proactive approach from manufacturers in raw material sourcing and inventory management. Innovation in synthesis processes and the development of new derivatives are crucial for maintaining a competitive edge and expanding market reach. Overall, the Undecylenic Acid market outlook is positive, supported by ongoing research into new applications and a global shift towards sustainable chemical solutions, which will continue to underpin its expansion in the coming years.
Looking ahead, the long-term Undecylenic Acid market outlook is robust, propelled by a sustained trend towards natural and sustainable ingredients across various industries. The innovation landscape is vibrant, with continuous R&D focused on enhancing purity, developing novel applications in advanced materials, and improving production efficiency. Key risk factors include the aforementioned raw material price volatility, stringent regulatory hurdles for new product approvals, and potential competition from synthetic alternatives. Strategic implications for market participants involve investing in vertical integration or long-term supply contracts to mitigate raw material risks, focusing on high-value, specialized grades to avoid commoditization, and expanding geographical presence in high-growth emerging economies. Companies that prioritize sustainable practices, technological advancements, and strong customer relationships are best positioned to capitalize on future opportunities and navigate the evolving market dynamics, ensuring resilient growth in the Undecylenic Acid industry.