Description

Isooctadecanoyl Chloride is a high-purity, branched-chain fatty acid chloride derivative. This specialized reagent is valued for its role as a key acylating agent in the synthesis of complex organic molecules, offering a unique steric profile compared to its linear counterparts. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries to introduce the isooctadecanoyl moiety, modifying solubility, stability, and biological activity.

Application

• Pharmaceutical Intermediates: Acylating agent in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Synthesis: Key building block for creating herbicides, fungicides, and plant growth regulators with tailored properties.
• Polymer Modification: Used to produce specialty polyamides, polyesters, and surfactants with enhanced hydrophobic character and low-temperature flexibility.
• Lubricant & Fuel Additives: Intermediate in manufacturing esters and amides that serve as high-performance viscosity modifiers and anti-wear agents.
• Cosmetic & Personal Care Ingredients: Precursor for emollients and conditioning agents in skincare and haircare formulations.
• Chemical Research & Development: Versatile reagent for organic synthesis, particularly in Friedel-Crafts acylation and nucleophilic substitution reactions.

Basic Information

Item	Detail
Product Name	Isooctadecanoyl Chloride
CAS No.	78851-23-7
Molecular Formula	C₁₈H₃₅ClO
Molecular Weight	302.93 g/mol
Synonyms	16-Methylheptadecanoyl Chloride; Isooctadecanoic Acid Chloride; 16-Methylheptadecanoic Acid Chloride; Iso-Stearoyl Chloride (branched isomer); Branched C18 Acyl Chloride
EINECS	Contact for details

Quality Control

Our Isooctadecanoyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided with every shipment, ensuring traceability and compliance with your internal specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis. Keep away from heat, open flames, and incompatible materials such as strong bases, alcohols, and water.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or Titration)	≥ 97.0%
Acid Value	≤ 5.0 mg KOH/g
Water Content (KF)	≤ 0.5%

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