Description

Methyl 7-Methyloctanoate is a branched-chain fatty acid methyl ester with the CAS number 5129-53-3. This specialty ester is valued for its role as a versatile intermediate and a source of unique organoleptic properties in high-value formulations. It is primarily sought after by manufacturers in the fragrance, flavor, and fine chemical synthesis industries seeking to develop or modify complex aromatic profiles and advanced molecular structures.

Application

• Fragrance & Flavor Ingredient: Serves as a key intermediate or modifying agent in the synthesis of complex aroma chemicals, contributing fruity, waxy, or green olfactory notes.
• Organic Synthesis Intermediate: Used in pharmaceutical and agrochemical research for the construction of more complex molecules, leveraging its ester functionality and branched alkyl chain.
• Plasticizer & Solvent Precursor: Acts as a starting material for producing specialized plasticizers or high-boiling-point solvents for niche polymer and coating applications.
• Lubricant & Functional Fluid Additive: Employed in the formulation of synthetic lubricants and industrial fluids where specific ester properties like low-temperature performance are required.
• Research & Development: Utilized in academic and industrial R&D laboratories as a standard or building block for chemical studies and process development.

Basic Information

Product Name	Methyl 7-Methyloctanoate
CAS No.	5129-53-3
Molecular Formula	C10H20O2
Molecular Weight	172.26 g/mol
Synonyms	7-Methyloctanoic Acid Methyl Ester; Methyl 7-Methylcaprylate; Methyl Ester of 7-Methyloctanoic Acid; 7-Methyl Octanoic Acid Methyl Ester; Octanoic Acid, 7-Methyl-, Methyl Ester; Methyl iso-Nonanoate (related isomer)
EINECS	225-865-1

Quality Control

Our Methyl 7-Methyloctanoate is produced and tested under a strict quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (20°C)	1.420 - 1.426
Density (20°C)	0.86 - 0.88 g/mL
Water Content (KF)	≤ 0.1%

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