Description

3-Methylbutanethioic Acid S-Ethyl Ester is a specialized sulfur-containing ester with a distinctive organoleptic profile. This compound serves as a versatile intermediate and flavor/fragrance ingredient, valued for its ability to impart sulfurous, tropical, or meaty notes. It is primarily sought by manufacturers in the flavor & fragrance, agrochemical, and fine chemical synthesis industries for creating complex organoleptic blends and advanced chemical products.

Application

• Flavor & Fragrance Industry: Used as a key intermediate or additive to create sulfurous, tropical fruit (e.g., passionfruit, grapefruit), or savory meaty flavor nuances in food products and beverages.
• Aroma Chemical Synthesis: Acts as a building block for synthesizing more complex thioesters and sulfur-containing aroma molecules.
• Agrochemical Intermediates: Employed in the research and production of certain pesticides and herbicides where the thioester moiety is required.
• Organic Synthesis: Serves as a reagent in various organic transformations, including thioester exchange reactions and as a source of the 3-methylbutanoylthio group.
• Research & Development: Utilized in academic and industrial R&D settings for studying reaction mechanisms and developing new synthetic methodologies involving sulfur compounds.

Basic Information

Product Name	3-Methylbutanethioic Acid S-Ethyl Ester
CAS No.	2432-57-7
Molecular Formula	C7H14OS
Molecular Weight	146.25 g/mol
Synonyms	S-Ethyl 3-methylbutanethioate; Ethyl 3-methylbutanethioate; 3-Methylbutanethioic acid ethyl ester; Isovalerylthioic acid S-ethyl ester; Ethyl isovalerate thioester; Ethyl isopentanethioate; Isopentanoic acid, thio-, S-ethyl ester
EINECS	219-399-7

Quality Control

Our production of 3-Methylbutanethioic Acid S-Ethyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, IR, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee reliable quality and traceability for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature: 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.450 - 1.460
Specific Gravity (20/20°C)	0.920 - 0.940
Related Substances (GC)	Total impurities ≤ 2.0%

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