Description

cis-9,10-Methyleneoctadecanoic Acid is a high-purity, long-chain fatty acid derivative featuring a unique cyclopropane ring within its hydrocarbon chain. This specialized structure is critical for synthesizing advanced lubricants, surfactants, and fine chemicals where specific molecular geometry and stability are required. It serves as a valuable intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bioactive molecules and drug candidates, leveraging its unique structural motif.
• Specialty Lubricant & Grease Formulation: Acts as a precursor for esters that provide excellent low-temperature fluidity and oxidative stability.
• Surfactant & Detergent Chemistry: Serves as a building block for novel amphiphilic compounds with tailored surface-active properties.
• Agrochemical Synthesis: Employed in creating specialized adjuvants and active ingredients for crop protection formulations.
• Polymer Modification: Used to introduce cyclopropane functionalities into polymers, altering physical properties like flexibility and thermal stability.
• Research & Development: A key reagent in organic synthesis and chemical research for studying cyclopropane ring reactions.
• Cosmetic Ingredient Synthesis: Precursor for emollients and texture-enhancing agents in high-end personal care products.

Basic Information

Product Name	cis-9,10-Methyleneoctadecanoic Acid
CAS No.	4675-61-0
Molecular Formula	C₁₉H₃₆O₂
Molecular Weight	296.49 g/mol
Synonyms	9,10-Methyleneoctadecanoic Acid; cis-9,10-Methylenestearic Acid; Lactobacillic Acid; Dihydrosterculic Acid; (Z)-9,10-Methyleneoctadecanoic Acid; 9,10-Methanooctadecanoic Acid; Cyclopropaneoctadecanoic Acid
EINECS	225-112-6

Quality Control

Our cis-9,10-Methyleneoctadecanoic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with each 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 controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	50 - 55 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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