Description

2-Methylpropyl 3-(Methylthio)Butanoate is a sulfur-containing ester with a distinctive, powerful aroma profile. This compound matters as a versatile and potent flavor and fragrance intermediate, valued for its ability to impart fruity, tropical, and savory nuances. It is primarily needed by manufacturers in the flavor and fragrance industry for creating complex aroma compositions, as well as by research and development laboratories exploring novel organoleptic agents.

Application

• Flavor & Fragrance Industry: A key intermediate for synthesizing complex flavorings, particularly those with fruity (e.g., passionfruit, grapefruit), tropical, or savory (e.g., meaty, onion) notes.
• Food & Beverage Additives: Used in the production of flavoring agents for processed foods, beverages, and confectionery products.
• Perfumery & Cosmetics: Incorporated into fragrance formulations for personal care products, soaps, and fine perfumes to add unique sulfurous or fruity accords.
• Chemical Synthesis: Serves as a valuable building block or intermediate in organic synthesis for pharmaceuticals, agrochemicals, and other specialty chemicals.
• Research & Development: Utilized in academic and industrial R&D for studying structure-odor relationships and developing new aroma chemicals.

Basic Information

Product Name	2-Methylpropyl 3-(Methylthio)Butanoate
CAS No.	127931-21-9
Molecular Formula	C9H18O2S
Molecular Weight	190.30 g/mol
Synonyms	Isobutyl 3-(Methylthio)Butyrate; 3-(Methylthio)Butyric Acid Isobutyl Ester; 3-(Methylmercapto)Butyric Acid Isobutyl Ester; FEMA 4159; Isobutyl 3-Methylthiobutyrate; Butanoic acid, 3-(methylthio)-, 2-methylpropyl ester; 2-Methylpropyl 3-methylsulfanylbutanoate
EINECS	Contact for details

Quality Control

Our 2-Methylpropyl 3-(Methylthio)Butanoate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC and IR analysis, to ensure high purity and consistent organoleptic properties. Certificates of Analysis (COA) detailing identity, purity, and specific impurity profiles are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain stability and quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.455 - 1.465
Specific Gravity (20/20°C)	0.950 - 0.980

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