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34619-12-0

34619-12-0 Structure

34619-12-0 Structure
IdentificationBack 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
Chemical PropertiesBack Directory
[Melting point ]

59-60 °C (15 mm Hg)
[Boiling point ]

59-60°C (15 mm Hg)
[density ]

0.985±0.06 g/cm3(Predicted)
[FEMA ]

3357 | 2-KETO-4-BUTANETHIOL
[pka]

9.75±0.25(Predicted)
[Odor]

at 0.10 % in propylene glycol. sulfurous onion
[Odor Type]

sulfurous
[JECFA Number]

559
[LogP]

0.54
Hazard InformationBack 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.
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