CAS No: 431-03-8, Chemical Name: 2,3-Butanedione
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431-03-8 2,3-Butanedione

product Name 2,3-Butanedione
Synonyms DIACETYLE; Biacetyl; Diacetyl; butane-2,3-dione
Molecular Formula C4H6O2
Molecular Weight 86.0892
InChI InChI=1/C4H6O2/c1-3(5)4(2)6/h1-2H3
CAS Registry Number 431-03-8
EINECS 207-069-8
Molecular Structure 431-03-8 2,3-Butanedione
Density 0.969g/cm3
Melting point -4℃
Boiling point 88°C at 760 mmHg
Refractive index 1.381
Flash point 5.5°C
Water solubility 200 g/L (20℃)
Vapour Pressur 62.3mmHg at 25°C
Hazard Symbols  F:Flammable;
 Xn:Harmful;
Risk Codes R11:;
R20/21/22:;
R36/38:;
Safety Description S16:;
S26:;
S36/37/39:;