Description

Octadecanoic Acid, 1-Methylbutyl Ester is a high-purity ester derivative of stearic acid, valued for its role as a versatile intermediate and functional additive. This compound is engineered to deliver consistent performance in formulations requiring specific solubility and compatibility profiles. It is primarily sought by manufacturers in the chemical synthesis, lubricant, and specialty polymer industries for its utility in creating tailored products.

Application

• Chemical Synthesis Intermediate: Used in the production of specialized esters, surfactants, and other fine chemicals.
• Lubricant and Grease Formulation: Acts as a friction modifier and viscosity improver in synthetic lubricants and industrial greases.
• Polymer and Plastic Additive: Serves as a plasticizer or internal lubricant in polymer processing to enhance flow properties.
• Cosmetic and Personal Care Ingredient: Employed as an emollient and texture enhancer in creams, lotions, and makeup products.
• Coating and Ink Additive: Functions as a flow aid and leveling agent in solvent-based coatings and printing inks.
• Research & Development: A key reagent for academic and industrial R&D in organic chemistry and material science.

Basic Information

Product Name	Octadecanoic Acid, 1-Methylbutyl Ester
CAS No.	55195-03-4
Molecular Formula	C23H46O2
Molecular Weight	354.62 g/mol
Synonyms	Stearic Acid, 1-Methylbutyl Ester; 1-Methylbutyl Octadecanoate; 1-Methylbutyl Stearate; Isoamyl Stearate; 3-Methylbutyl Stearate; Isoamyl Octadecanoate; 55195-03-4; Octadecanoic acid, 1-methylbutyl ester
EINECS	Contact for details

Quality Control

Our Octadecanoic Acid, 1-Methylbutyl Ester is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed against rigorous in-house specifications, which typically include identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting these results are provided with every shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Water Content (KF)	≤ 0.1%

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