Description

Ricinoleic Acid CAS NO 7431-95-0 is a monounsaturated, 18-carbon fatty acid characterized by a hydroxyl group on the twelfth carbon, making it a unique and versatile oleochemical. This bifunctional structure (carboxylic acid and hydroxyl group) is the key to its value, enabling its use as a reactive intermediate and a performance-enhancing additive in numerous industrial formulations. It is an essential raw material for manufacturers in the cosmetics, lubricants, polymers, and specialty chemicals sectors seeking sustainable and high-performance ingredients.

Application

• Surfactants & Esters: Primary raw material for producing sodium ricinoleate (a soap) and various esters like methyl ricinoleate, used as biodegradable emulsifiers, wetting agents, and viscosity modifiers.
• Polymer & Resin Industry: Serves as a reactive monomer and plasticizer in the synthesis of alkyd resins, polyamides, and polyurethanes, improving flexibility and adhesion.
• Lubricants & Greases: Used to formulate lithium and calcium-based soaps for thickening lubricating greases, offering good temperature stability and water resistance.
• Cosmetics & Personal Care: Valued for its emollient and moisturizing properties in creams, lotions, and lipsticks. Its derivatives act as effective hair conditioning and skin-softening agents.
• Pharmaceutical Intermediates: Employed in the synthesis of certain pharmaceutical compounds and as a component in topical medicinal formulations.
• Flavors and Fragrances: Source for manufacturing aroma chemicals like γ-undecalactone (peach aldehyde) through chemical transformation.

Basic Information

Product Name	Ricinoleic Acid
CAS No.	7431-95-0
Molecular Formula	C18H34O3
Molecular Weight	298.46 g/mol
Synonyms	12-Hydroxy-9-cis-octadecenoic Acid; Castor Oil Acid; (R)-12-Hydroxyoleic Acid; 12-Hydroxyoleic Acid; Ricinolic Acid; 9-Octadecenoic Acid, 12-hydroxy-, (9Z,12R)-; (+)-Ricinoleic Acid; D-12-Hydroxyoleic Acid
EINECS	231-072-0

Quality Control

Our Ricinoleic Acid is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. We offer grades suitable for industrial, cosmetic, and technical applications. Certificates of Analysis (COA) detailing key parameters such as assay, acid value, hydroxyl value, iodine value, and color are provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 15-25°C (59-77°F). Due to its property of being easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain optimal quality. Keep away from strong oxidizers, heat, and ignition sources.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow viscous liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 85.0%
Acid Value	175 - 185 mg KOH/g
Hydroxyl Value	150 - 165 mg KOH/g
Iodine Value (Wijs)	82 - 90 g I2/100g
Saponification Value	175 - 185 mg KOH/g
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.