pKa
|
11.0
|
外观
|
White crystalline solid deliquescent
|
沸点
|
1625°C
|
标准摩尔生成焓 (ΔfHo298)
|
−131.5 kJ/mol
|
密度
|
1.52 g/cm3
|
闪点
|
Non-flammable
|
熔点
|
634.5°C
|
标准摩尔熵 (So298)
|
127.8 J K−1 mol−1
|
气味
|
faint, almond-like
|
折射率
|
1.410
|
溶解度
|
71.6 g/100 ml (25 °C) 100 g/100 mL (100 °C) in water
|
溶解度
|
4.91 g/100 mL (20 °C) in methanol
|
溶解度
|
soluble in glycerol
|
溶解度
|
14.6 g/100 mL in formamide
|
溶解度
|
0.57 g/100mL in ethanol
|
溶解度
|
41 g/100 mL in hydroxylamine
|
欧盟危险品索引
|
006-007-00-5
|
欧盟危险性物质标志
|
Very toxic (T+)
|
欧盟危险性物质标志
|
Dangerous for the environment (N)
|
半数致死量
|
5–10 mg/kg (oral in rats, mice, rabbits)
|
NFPA704
|
|
危险公开号
|
R26/27/28, R32, R50/53
|
RTECS编号
|
TS8750000
|
安全公开号
|
S1/2, S7, S28, S29, S45, S60, S61
|
联合国危险货物编号
|
1680
|