Diacetyl
CAS 431-03-8 · C4H6O2 · 86.09 g/mol
Reference entryFlavours & Fragrances
Diacetyl (CAS 431-03-8) is a chemical substance with the molecular formula C4H6O2 and a molecular weight of 86.09 g/mol.
This is a public reference record for a chemical substance. No supplier has been verified for it yet.
| IUPAC name | butane-2,3-dione |
|---|---|
| Molecular formula | C4H6O2 |
| Molecular weight | 86.09 |
| InChIKey | QSJXEFYPDANLFS-UHFFFAOYSA-N |
| SMILES | CC(=O)C(=O)C |

Primary hazards
Signal word: Danger
Flammable
Corrosive
Acute Toxic
Irritant
Health Hazard
- H225Highly Flammable liquid and vapor
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H331Toxic if inhaled
- H373May causes damage to organs through prolonged or repeated exposure
Hazard classification is reproduced from the source dataset. Always confirm against the supplier safety data sheet before handling.
Synonyms
- 2,3-butanedione
- diacetyl
- biacetyl
- Butane-2,3-dione
- 431-03-8
- dimethylglyoxal
- Butanedione
- dimethyl diketone
- Dimethyl glyoxal
- 2,3-diketobutane
- +50 more
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