CAS number: 96-31-1 (unique identifier).
Molecular formula: C3H8N2O
Molecular weight: 88.108 (exact mass 88.0637).
Physical and chemical properties
Appearance: White flaky crystals or grayish white flakes.
Melting point: 101-104 ° C (literature value). Boiling point: 268-270 ° C (atmospheric pressure).
Density: 0.9-1.142 g/cm ³ (20 ° C).
Solubility: Easily soluble in water (765 g/L, 21.5 ° C), ethanol, acetone, and benzene. Insoluble in ether and gasoline.
Application
- Pharmaceutical intermediates- Industrial application: Production of fiber processing agents (such as printing and dyeing auxiliaries).
Security risks
Toxicity: Rat oral LD ₅₀>4000 mg/kg, with reproductive toxicity (teratogenic risk).
Protection: Avoid inhaling dust, rinse skin/eyes immediately after contact; Prohibited from discharging into groundwater (German water hazard level 1). 
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