Description

Methyl Pentachlorooctadecanoate is a specialized chlorinated fatty acid methyl ester with the CAS registry number 26638-28-8. This high-purity intermediate is valued for its role in synthesizing advanced materials and performance chemicals where specific chlorination patterns are required. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical, polymer additive, and specialty surfactant sectors.

Application

• Agrochemical Intermediate: A key synthetic precursor for the development of specialized herbicides and plant growth regulators.
• Polymer Additive: Functions as a flame retardant or plasticizer component in PVC and other polymer formulations.
• Specialty Surfactant Synthesis: Used to manufacture chlorinated surfactants and emulsifiers for industrial cleaning and textile processing.
• Lubricant & Grease Additive: Imparts extreme pressure and anti-wear properties in advanced lubricant formulations.
• Chemical Research & Development: Serves as a building block in organic synthesis for novel chlorinated compounds in pharmaceutical and material science research.
• Corrosion Inhibitor Precursor: Employed in the production of additives for metalworking fluids and protective coatings.

Basic Information

Product Name	Methyl Pentachlorooctadecanoate
CAS No.	26638-28-8
Molecular Formula	C19H33Cl5O2
Molecular Weight	484.72 g/mol
Synonyms	Methyl 2,2,3,3,4-Pentachlorooctadecanoate; Methyl Pentachlorostearate; Octadecanoic acid, 2,2,3,3,4-pentachloro-, methyl ester; Pentachlorooctadecanoic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Methyl Pentachlorooctadecanoate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise customer specifications and consistent batch-to-batch reliability. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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