but-3-yn-2-one
- Product Name: but-3-yn-2-one
- Syonyms Name: 3-Butyn-2-one; But-3-yn-2-one
- CAS Number.: 1423-60-5
- MF: C4H4O
- MW: 68.074
Density:0.902g/cm3
Boiling point:85°C at 760 mmHg
Refractive index:1.403
Vapour Pressur:70.6mmHg at 25°C
Hazard Symbols:
F:Flammable; 
T+:Very toxic;
Risk Codes:R11:; R28:; R36/37/38:;
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