4-Mercapto-2-butanone

4-Mercapto-2-butanone Basic information
Product Name:4-Mercapto-2-butanone
Synonyms:4-MERCAPTO-2-BUTANONE;2-Keto-4-butanethiol;2-Butanone, 4-mercapto-;4-sulfanylbutan-2-one;4-Mercapto-2-butanone USP/EP/BP;1-mercapto-3-oxobutane
CAS:34619-12-0
MF:C4H8OS
MW:104.17
EINECS:
Product Categories:thiol Flavor
Mol File:34619-12-0.mol
4-Mercapto-2-butanone Structure
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
pka9.75±0.25(Predicted)
Odorat 0.10 % in propylene glycol. sulfurous onion
Odor Typesulfurous
JECFA Number559
LogP0.54
Safety Information
MSDS Information
4-Mercapto-2-butanone Usage And Synthesis
DescriptionMay 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.
Uses4-Mercapto-2-butanone performs organoleptic roles in food and beverages. A synthesis reagent.
DefinitionChEBI: 4-Mercapto-2-butanone is a ketone.
PreparationBy 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 Preparation Products And Raw materials
6-Mercaptopurine Sodium thioglycolate 2-Mercaptobenzothiazole ETHYL 4-OXO-TETRAHYDRO-3-THIOPYRANCARBOXYLATE 2-Ethylhexyl mercaptoacetate (1R)-(-)-10-CAMPHORSULFONIC ACID, AMMONIUM SALT 4-PHENYLSULFANYL-BUTAN-2-ONE 2-Butanone Mercaptoacetic acid POTASSIUM THIOGLYCOLATE 4-Mercapto-2-butanone Tetrahydrothiopyran-4-one 2-Mercaptoethanol Tetrahydrothiophen-3-one Malathion 3-Mercapto-2-butanone THIOCHROMAN-4-ONE Menadione sodium bisulfite

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