Description

4-Mercapto-2-Butanone is a versatile sulfur-containing ketone with a distinctive organoleptic profile, making it a valuable intermediate in high-value synthesis. Its unique chemical structure, featuring both a ketone and a thiol functional group, enables its use in creating complex flavor and fragrance molecules, as well as in pharmaceutical research. This compound is primarily sought by R&D and production teams in the flavor & fragrance, pharmaceutical, and fine chemical industries for its role in synthesizing sulfurous, meaty, or roasted notes and as a building block for specialty chemicals.

Application

• Flavor & Fragrance Industry: A key intermediate for creating savory, meaty, roasted, and sulfurous flavor notes in processed foods, seasonings, and reaction flavors.
• Pharmaceutical Research: Serves as a building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs) that require thiol or ketone functionalities.
• Fine Chemical Synthesis: Used as a specialized intermediate for producing agrochemicals, dyes, and other high-value organic compounds.
• Aroma Chemical Production: Employed in the manufacture of complex aroma molecules that impart natural or enhanced sensory characteristics to consumer products.
• Biochemical Studies: Utilized in research as a model compound or reagent for studying thiol-ketone interactions and related biochemical pathways.

Basic Information

Product Name	4-Mercapto-2-Butanone
CAS No.	34619-12-0
Molecular Formula	C4H8OS
Molecular Weight	104.17 g/mol
Synonyms	2-Butanone, 4-mercapto-; 4-Mercaptobutan-2-one; 4-Thiol-2-butanone; 2-Oxo-4-butanethiol; 4-Sulfanyl-2-butanone; 1-Mercapto-3-butanone; 3-Acetyl-1-propanethiol
EINECS	Contact for details

Quality Control

Our 4-Mercapto-2-Butanone is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to minimize oxidation. Keep away from heat, sparks, and open flame. Isolate from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20°C)	1.020 - 1.050

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