| | Identification | Back Directory |  | [Name] 
 4-Mercapto-2-butanone
 |  | [CAS] 
 34619-12-0
 |  | [Synonyms] 
 2-Keto-4-butanethiol
 4-sulfanylbutan-2-one
 4-MERCAPTO-2-BUTANONE
 1-mercapto-3-oxobutane
 2-Butanone, 4-mercapto-
 4-Mercapto-2-butanone  USP/EP/BP
 |  | [Molecular Formula] 
 C4H8OS
 |  | [MDL Number] 
 MFCD03005196
 |  | [MOL File] 
 34619-12-0.mol
 |  | [Molecular Weight] 
 104.17
 | 
 | Hazard Information | Back Directory |  | [Description] 
 May be synthesized by reduction of 4-bromo-2-butanone with
NaHS; by reacting methyl vinyl ketone with hydrogen sulfide; 
from methyl vinyl ketone and thioacetamide; from methyl vinyl 
ketone and hydrogen sulfide at 12 to 15°C by a patented process.
 |  | [Uses] 
 4-Mercapto-2-butanone performs organoleptic roles in food and beverages. A synthesis reagent.
 |  | [Definition] 
 ChEBI: 4-Mercapto-2-butanone is a ketone.
 |  | [Preparation] 
 By reduction of 4-bromo-2-butanone with NaHS; by reacting methyl vinyl ketone with hydrogen sulfide; from methyl
vinyl ketone and thioacetamide; from methyl vinyl ketone and hydrogen sulfide at 12 to 15°C by patented process.
 | 
 |  |