Description

o-Acetylricinoleic Acid Methyl Ester is a specialized fatty acid derivative, primarily valued as a versatile chemical intermediate and plasticizer. Its unique acetylated structure provides enhanced solvency and compatibility, making it a key component in high-performance formulations. This ester is essential for manufacturers in the polymer, lubricant, and personal care industries seeking to modify product flexibility, viscosity, and stability.

Application

• Primary Plasticizer: Used in PVC, nitrocellulose, and synthetic rubber formulations to improve flexibility and low-temperature performance.
• Lubricant Additive: Acts as a friction modifier and viscosity index improver in synthetic and bio-based lubricants and greases.
• Chemical Intermediate: Serves as a key building block for the synthesis of surfactants, emulsifiers, and other specialty esters.
• Personal Care Ingredient: Employed as an emollient and solvent in cosmetic products like creams, lotions, and makeup.
• Polymer Modification: Enhances the processing and mechanical properties of various resins and coatings.
• Adhesive & Sealant Formulation: Improves tack, peel strength, and flexibility in pressure-sensitive and structural adhesives.

Basic Information

Product Name	o-Acetylricinoleic Acid Methyl Ester
CAS No.	140-03-4
Molecular Formula	C21H38O4
Molecular Weight	354.53 g/mol
Synonyms	Methyl Acetyl Ricinoleate; Methyl 12-Acetoxy-9-octadecenoate; Acetyl Methyl Ricinoleate; Methyl (R)-12-Acetoxy-9-octadecenoate; Methyl O-Acetylricinoleate; 12-Acetoxy-9-octadecenoic Acid Methyl Ester; Ricinoleic Acid Acetyl Methyl Ester; Castor Oil Derivative
EINECS	205-397-1

Quality Control

Our o-Acetylricinoleic Acid Methyl Ester is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, acids, and heat sources to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow oily liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Acid Value	≤ 2.0 mg KOH/g
Moisture (KF)	≤ 0.5%
Refractive Index (20°C)	1.458 - 1.462
Specific Gravity (20/20°C)	0.930 - 0.940

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