Description

7-Octadecanoicacid,Methylester CAS NO 57396-98-2 is a high-purity fatty acid methyl ester (FAME) derived from oleic acid, serving as a versatile chemical intermediate and functional additive. Its value lies in its well-defined chemical structure, which provides consistent performance in synthesis and formulation processes. This product is essential for manufacturers in the lubricant, surfactant, and specialty chemical industries seeking reliable raw materials for product development and enhancement.

Application

• Lubricant & Metalworking Fluid Additive: Acts as a friction modifier and base stock for bio-based or synthetic lubricants.
• Surfactant & Detergent Intermediate: Used in the synthesis of methyl ester sulfonates (MES) and other anionic surfactants.
• Plasticizer & Polymer Modifier: Imparts flexibility and low-temperature properties to polymers and resins.
• Cosmetic & Personal Care Ingredient: Functions as an emollient and skin-conditioning agent in formulations.
• Biofuel & Biodiesel Component: Serves as a model compound or a blending component in renewable fuel research and production.
• Chemical Synthesis Building Block: Utilized in organic synthesis for introducing the C18 alkyl chain via transesterification or other reactions.

Basic Information

Product Name	7-Octadecanoicacid,Methylester
CAS No.	57396-98-2
Molecular Formula	C₁₉H₃₆O₂
Molecular Weight	296.49 g/mol
Synonyms	Methyl 7-octadecenoate; Methyl (Z)-7-Octadecenoate; cis-7-Octadecenoic acid methyl ester; Methyl vaccenate; Methyl cis-Vaccenate; 7-Octadecenoic acid, methyl ester; Methyl (7Z)-octadec-7-enoate
EINECS	Contact for details

Quality Control

Our 7-Octadecanoicacid,Methylester is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include identity confirmation by FT-IR, purity assessment by GC or HPLC, and checks for key impurities. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Acid Value	≤ 1.0 mg KOH/g
Iodine Value	Contact for details
Peroxide Value	≤ 10.0 meq/kg
Water Content (KF)	≤ 0.1%

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