4-Mercapto-2-butanone
- CAS NO.：34619-12-0
- Empirical Formula: C4H8OS
- Molecular Weight: 104.17
- MDL number: MFCD03005196
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-24 22:25:33
What is 4-Mercapto-2-butanone?
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.
The Uses of 4-Mercapto-2-butanone
4-Mercapto-2-butanone performs organoleptic roles in food and beverages. A synthesis reagent.
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.
Definition
ChEBI: 4-Mercapto-2-butanone is a ketone.
Properties of 4-Mercapto-2-butanone
| 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 |
| JECFA Number | 559 |
Safety information for 4-Mercapto-2-butanone
Computed Descriptors for 4-Mercapto-2-butanone
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