闪点
|
Non-flammable
|
熔点
|
70 °C (dehydration of heptahydrate) 400 °C (decomp)
|
标准摩尔熵 (So298)
|
121 J·mol-1·K-1
|
气味
|
odorless
|
折射率
|
1.536 (pentahydrate) 1.478 (heptahydrate)
|
溶解度
|
25.6 g/100mL (anhydrous) 48.6 g/100 mL (heptahydrate) (50 °C) in water
|
溶解度
|
negligible in alcohol
|
外观
|
blue/green or white crystals
|
标准摩尔生成焓 (ΔfHo298)
|
-929 kJ·mol-1
|
密度
|
2.84 g/cm3 (anhydrous) 2.2 g/cm3 (pentahydrate) 1.898 g/cm3 (heptahydrate)
|
欧盟危险品索引
|
026-003-00-7 (anhydrous) 026-003-01-4 (heptahydrate)
|
欧盟危险性物质标志
|
Harmful (Xn)
|
欧盟危险性物质标志
|
Irritant (Xi)
|
NFPA704
|
|
危险公开号
|
R22, R36/38
|
RTECS编号
|
NO8500000
|
安全公开号
|
S2, S46
|