4-Mercapto-2-butanone Chemical Properties

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

4-Mercapto-2-butanone Usage And Synthesis

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.

4-Mercapto-2-butanone(34619-12-0)Related Product Information

• Mercaptoacetic acid
• POTASSIUM THIOGLYCOLATE
• Sodium thioglycolate
• 2-Ethylhexyl mercaptoacetate
• 6-Mercaptopurine
• 2-Mercaptobenzothiazole
• Calcium thioglycolate
• 3-Mercaptopropionic acid
• Menadione sodium bisulfite
• Tetrahydrothiophen-3-one
• Tetrahydrothiopyran-4-one
• 4-Methylthio-2-butanone
• 3-Mercapto-2-butanone
• 4-Methylthio-4-methyl-2-pentanone
• Methyl 4-oxotetrahydrothiophene-3-carboxylate
• p-Mentha-8-thiol-3-one
• 4-METHYLTHIO-2-OXOBUTANOIC ACID SODIUM SALT
• Malathion