Description

trans-11-Octadecenoic Acid is a monounsaturated fatty acid characterized by a trans double bond at the 11th carbon. This specific isomer is a valuable intermediate and reference standard in lipid research and industrial synthesis. It is primarily utilized by manufacturers and research institutions in the chemical, pharmaceutical, and nutritional sectors. Its defined structure makes it essential for studies on fatty acid metabolism and for the production of specialized oleochemical derivatives.

Application

• Biochemical Research: Serves as a critical reference standard and intermediate in lipidomics, metabolic pathway studies, and the investigation of trans-fatty acid effects.
• Pharmaceutical Intermediates: Used in the synthesis of specialized lipid-based drug molecules, prodrugs, and diagnostic agents.
• Nutritional Science: Employed as an analytical standard for the quantification and characterization of trans fats in food products and biological samples.
• Oleochemical Synthesis: Acts as a building block for producing surfactants, lubricants, and other specialty chemicals with tailored properties.
• Material Science: Investigated for use in polymer modification and the creation of bio-based materials with specific melting points and fluidity.

Basic Information

Product Name	trans-11-Octadecenoic Acid
CAS No.	143-25-9
Molecular Formula	C18H34O2
Molecular Weight	282.46 g/mol
Synonyms	trans-Vaccenic Acid; (E)-11-Octadecenoic Acid; 11-Octadecenoic Acid, (11E)-; (E)-Octadec-11-enoic Acid; 11-trans-Octadecenoic Acid; FA(18:1(11E)); trans-δ11-Octadecenoic Acid
EINECS	205-593-6

Quality Control

Our trans-11-Octadecenoic Acid is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer and research-grade specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). For long-term storage under an inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details

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