3-Mercapto-2-butanone
3-巯基-2-丁酮
Also known as: 3-Sulfanyl-2-butanone, 3-Sulfanylbutan-2-one, 2-Butanone, 3-mercapto-, 3-Mercapto-2-butanone solution, 3-Mercapto-2-butanone (FEMA No.3298), UNII:99G79565PJ, MFCD00085206, EINECS 255-082-2, (3R)-3-mercapto-2-butanone
- CAS No.
- 40789-98-8
- Jingsj CID
- J-1504147-2
- Molecular Formula
- C4H8OS
- Chinese Name
- 3-巯基-2-丁酮
- Molecular Weight
- 104.171 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 140.0±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 38.5±22.6 °C |
GHS Safety & Compliance
Flammable / IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 3-Mercapto-2-butanone?
40789-98-8
What are the molecular formula and molecular weight of 3-Mercapto-2-butanone?
C4H8OS, molecular weight 104.171 g/mol
Is 3-Mercapto-2-butanone hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026