Description

Methyl 2-(Methylthio)Butyrate is a sulfur-containing ester compound with the CAS number 51534-66-8. This specialty chemical serves as a versatile intermediate and flavor/fragrance ingredient, valued for its unique organoleptic properties and reactivity. It is primarily sought after by manufacturers in the flavor & fragrance, agrochemical, and pharmaceutical synthesis industries for creating complex molecular structures.

Application

• Flavor and Fragrance Industry: Used as a key building block or direct ingredient for creating savory, meaty, or tropical fruit flavor notes and specialty aroma molecules.
• Agrochemical Synthesis: Acts as a crucial intermediate in the production of certain pesticides, herbicides, and plant growth regulators.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) that require a thioether functional group.
• Organic Synthesis & Research: Serves as a reagent in organic chemistry for introducing the 2-(methylthio)butyrate moiety into target molecules in R&D and process development.
• Fine Chemical Production: Utilized in the manufacture of other specialty esters and sulfur compounds for various industrial applications.

Basic Information

Product Name	Methyl 2-(Methylthio)Butyrate
CAS No.	51534-66-8
Molecular Formula	C6H12O2S
Molecular Weight	148.22 g/mol
Synonyms	Methyl 2-(Methylthio)butanoate; 2-(Methylthio)butyric Acid Methyl Ester; Methyl 2-Methylthiobutyrate; Butanoic acid, 2-(methylthio)-, methyl ester; Methyl α-(Methylthio)butyrate
EINECS	257-257-7

Quality Control

Our Methyl 2-(Methylthio)Butyrate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee it meets your precise requirements.

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)	≥ 98.0%
Refractive Index (20°C)	1.460 - 1.470
Specific Gravity (20/20°C)	1.020 - 1.050
Water Content (KF)	≤ 0.5%

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