Description

10-Methyloctadecanoic Acid is a branched-chain fatty acid derivative with unique structural and physical properties compared to its straight-chain counterparts. This compound is valued for its role as a versatile intermediate in the synthesis of specialty chemicals, where its methyl branch influences melting point, solubility, and reactivity. It is primarily sought by manufacturers in the lubricant, surfactant, and pharmaceutical intermediate sectors for developing high-performance formulations.

Application

• Lubricant & Grease Additive: Used as a precursor for synthesizing esters that enhance thermal stability and reduce friction in industrial lubricants.
• Surfactant & Detergent Intermediate: Serves as a hydrophobic building block for producing specialty soaps, emulsifiers, and cleaning agents with tailored performance.
• Pharmaceutical Synthesis: Acts as a key chiral intermediate or a modifying agent in the research and development of active pharmaceutical ingredients (APIs).
• Polymer & Resin Modification: Employed to introduce alkyl side chains into polymers, improving flexibility, water resistance, or compatibility.
• Cosmetic & Personal Care Ingredients: Utilized in the production of emollients, waxes, and texture enhancers for skin care formulations.
• Research & Development: Serves as a standard or reagent in organic synthesis and biochemical research for studying lipid metabolism and membrane properties.

Basic Information

Product Name	10-Methyloctadecanoic Acid
CAS No.	542-47-2
Molecular Formula	C₁₉H₃₈O₂
Molecular Weight	298.51 g/mol
Synonyms	10-Methylstearic Acid; 10-Methyloctadecanoic Acid; Tuberculostearic Acid; 10-Methyl Stearic Acid; 10-Methyl-n-octadecanoic Acid; D-10-Methylstearic Acid; (R)-10-Methylstearic Acid
EINECS	208-815-1

Quality Control

Our 10-Methyloctadecanoic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assessment and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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