外观
|
pink solid (tetrahydrate)
|
沸点
|
1225 °C
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密度
|
2.977 g/cm3 (anhydrous) 2.27 g/cm3 (dihydrate) 2.01 g/cm3 (tetrahydrate)
|
闪点
|
Non-flammable
|
熔点
|
654 °C (anhydrous) dihydrate dehydrates at 135 °C tetrahydrate dehydrates at 58 °C
|
溶解度
|
63.4 g/100 ml (0 °C) 73.9 g/100 ml (20 °C) 88.5 g/100 ml (40 °C) 123.8 g/100 ml (100 °C) in water
|
溶解度
|
soluble in pyridine, ethanol insoluble in ether
|
欧盟危险品索引
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Not listed
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半数致死量
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250-275 mg/kg (rat, oral)
|
NFPA704
|
|
RTECS编号
|
OO9625000
|