【Physical properties】
Molecular formula: C₃H₆O
Structural formula:

Molecular weight: 58.08
Specific gravity (20/4°C): 0.80g/mL 
Boiling point (°C): 48
Flash point (°C): -30
Appearance: colorless liquid, with irritating odor
【Sales index】≥99.5%
【Packing】160KG/drum, Galvanized metal pail
【Dangerous level】3.2
【CAS#】123-38-6