Description

4-Methylthio-2-Butanone is a versatile sulfur-containing ketone intermediate with a distinctive organoleptic profile. This compound is valued for its role in synthesizing complex molecules and as a key building block in flavor and fragrance creation. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research and production.

Application

• Flavor and Fragrance (F&F) Ingredient: Serves as a key intermediate or character impact compound in the synthesis of savory, meaty, or sulfurous flavor notes.
• Pharmaceutical Intermediate: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules, particularly those requiring a thioether functional group.
• Agrochemical Synthesis: Acts as a precursor in the production of pesticides, herbicides, and fungicides, leveraging its reactive ketone and sulfide moieties.
• Organic Synthesis Building Block: Employed in research and development for constructing more complex sulfur-containing compounds through various chemical reactions.
• Chemical Research: Used in academic and industrial laboratories as a standard or reagent for methodological studies and novel compound discovery.

Basic Information

Product Name	4-Methylthio-2-Butanone
CAS No.	34047-39-7
Molecular Formula	C5H10OS
Molecular Weight	118.20 g/mol
Synonyms	2-Butanone, 4-(methylthio)-; 4-(Methylthio)-2-butanone; 4-Methylmercapto-2-butanone; 1-Methylthio-3-butanone; 3-Oxo-1-methylthiobutane; MTSB; FEMA 3375
EINECS	Contact for details

Quality Control

Our 4-Methylthio-2-Butanone is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to guarantee compliance with your specifications.

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, keep containers tightly sealed when not in use. Recommended storage temperature: 2-8°C for extended stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20/20°C)	1.010 - 1.030

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