112-38-9
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Product Overview |
Undecylenic acid (CAS No. 112‑38‑9) is a light yellow to yellow liquid that turns into milky white crystalline lumps when cooled, the raw material is castor oil. It is produced using the methyl esterification method of castor oil acid. It is a plant-derived synthesis method and can reach cosmetic grade and pharmaceutical grade.
It is an unsaturated carboxylic acid compound , can be used as a raw material for the synthesis of synthetic fragrancesand other chemical products, also can be used for antibacterial drugs and drugs for treating skin mycosis: the maximum allowable usage (mass fraction) in cosmetics is 0.2%, and it is stable within the pH range of 5.0 to 6.5. The dosage (mass fraction) used as an antifungal agent for drugs is 2% to 15%.
It can synthesize surfactants with antibacterial properties, such as sodium undecene monoethanolamide succinate sulfonate, etc. It can also be used to prepare plasticizers, etc.
Technical Specifications |
Test Item | Specification |
Appearance | Colorless to light yellow clear liquid |
Colour | Max 100 |
Free amine content | Max 0.5% |
Hydrogen peroxide content | Max 0.5% |
Active matter content | 28.0-32.0% |
pH | 6.0-8.0 |
Packaging & Storage |
Packaging: 25 kg/drum. Custom packaging can be discussed based on order quantity and transportation requirements.
Storage: Store in a cool, dry and well‑ventilated warehouse. Keep container tightly closed, away from heat sources, direct sunlight, oxidizing agents and strong alkalis. Recommended storage temperature is below 30℃. Avoid long‑term exposure to air to prevent product deterioration. Keep away from food and feed materials.
Storage & Handling Notes
Keep containers well‑sealed during transit. Prevent sunshine, rain and high temperature. Handle with care to avoid package damage and leakage. Do not transport together with oxidants, strong bases, edible chemicals. It is treated as general‑chemical goods for normal land and sea shipment.
Shipping & Delivery |
Jinan, China
Immediately after payment
Qingdao / Tianjin / Shanghai / Ningbo
Sample Support
Samples are available for evaluation before bulk orders. Shipment arrangements depend on destination and applicable transportation requirements.
Factory & Quality Control |
Consistent quality control for each production batch.
Technical documents available upon request.
Samples available for product evaluation.
Custom specifications available upon request.
View Factory & Quality Control → View Technical Documents →
Applications |
Applications of Undecylenic Acid
Undecylenic acid (CAS 112-38-9) is is a fungistatic fatty acid stable within the pH range of 5.0‑6.5. Its maximum permitted mass fraction in cosmetic formulations is 0.2%, while it is applied at 2%-15% mass fraction as a pharmaceutical antifungal raw material for topical skin preparations. It also serves as a key synthetic intermediate for perfumes and fine-chemical derivatives.
Pharmaceutical Antifungal Preparations
Undecylenic acid is widely adopted in topical antifungal pharmaceutical products. It delivers effective antifungal performance at 2%-15% dosage, and is formulated into external skin preparations for fungal-related skin conditions.
Cosmetic Formulations
Within the legal limit of 0.2% mass fraction, it functions as a functional bacteriostatic ingredient for cosmetic systems. It performs best under pH 5.0-6.5 conditions and fits well in skin-care cosmetic formulas.
FAQ |
Q: What is Undecylenic Acid used for?
A: Undecylenic acid is a fungistatic fatty acid stable , widely used in topical antifungal pharmaceuticals, functional cosmetics and fine‑chemical synthesis.
Q: What kinds of transportation types can you provide?
A: We can provide a variety of transportation methods, including express delivery for shipments under 25 kg, sea freight for large-volume cargo, and air freight upon request.
Q:What pre-sales and after-sales support do you provide?
A: We respond within 24 hours and provide technical, order, and logistics support throughout the cooperation process.