Description

2-Methyloctadecanoic Acid is a branched-chain fatty acid derivative that offers unique steric and chemical properties compared to its linear counterparts. This structural modification makes it a valuable intermediate for synthesizing specialized lubricants, surfactants, and polymer additives where enhanced solubility or specific branching effects are required. It is particularly relevant for industrial R&D and production in the sectors of advanced materials, specialty chemicals, and performance additives.

Application

• Lubricant & Grease Additives: Used as a precursor or intermediate in the synthesis of high-performance ester-based lubricants and metalworking fluids, where branching improves low-temperature fluidity and thermal stability.
• Surfactant & Detergent Intermediates: Serves as a hydrophobic building block for producing branched-chain anionic or nonionic surfactants, which can offer better solubility and foam control in formulations.
• Polymer & Resin Modification: Employed in the production of alkyd resins, plasticizers, and other polymer additives to modify flexibility, compatibility, and processing characteristics.
• Corrosion Inhibitors: Acts as a key component or intermediate in formulations designed to protect metal surfaces in industrial processes.
• Chemical Synthesis Intermediate: A versatile chiral building block in organic synthesis for pharmaceuticals, agrochemicals, and fine chemicals, leveraging its branched alkyl chain.
• Cosmetic & Personal Care Ingredients: Used in the manufacture of emollients, waxes, and texture modifiers for skin care products.

Basic Information

Product Name	2-Methyloctadecanoic Acid
CAS No.	7217-83-6
Molecular Formula	C₁₉H₃₈O₂
Molecular Weight	298.51 g/mol
Synonyms	2-Methylstearic Acid; Iso-Nonadecanoic Acid; 19-Methyleicosanoic Acid (common misnomer); 2-Methyloctadecansäure (German); Acide 2-méthyloctadécanoïque (French); α-Methylstearic Acid; 2-Methyl-n-octadecanoic Acid
EINECS	Contact for details

Quality Control

Our 2-Methyloctadecanoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC, identity confirmation (IR), and impurity profiling, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) documenting purity, physical properties, and test results is provided with every shipment and is available upon request.

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 oxidizers, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or waxy solid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0% - 99.0% (Typical grades available)
Melting Point	Approx. 50 - 60 °C
Acid Value	Contact for details
Heavy Metals	< 10 ppm
Loss on Drying	< 0.5 %

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