外观
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blue (pentahydrate) gray-white (anhydrous)
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标准摩尔生成焓 (ΔfHo298)
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-769.98 kJ/mol
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密度
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3.603 g/cm3 (anhydrous) 2.284 g/cm3 (pentahydrate)
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闪点
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Non-inflammable
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熔点
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110 °C (·4H2O) 150 °C (423 K) (·5H2O) < 650 °C decomp.
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折射率
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1.733 (anhydrous) 1.514 (pentahydrate)
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溶解度
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pentahydrate 316 g/L (0 °C) 2033 g/L (100 °C) anhydrous 243 g/L (0 °C) 320 g/L (20 °C) 618 g/L (60 °C) 1140 g/L (100 °C) in water
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溶解度
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''anhydrous'' insoluble in ethanol ''pentahydrate'' soluble in methanol 10.4 g/L (18 °C) insoluble in ethanol
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欧盟危险品索引
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029-004-00-0
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欧盟危险性物质标志
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Harmful (Xn)
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欧盟危险性物质标志
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Irritant (Xi)
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欧盟危险性物质标志
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Dangerous for the environment (N)
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半数致死量
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300 mg/kg (oral, rat) 87 mg/kg (oral, mouse) 470 mg/kg (oral, mammal)
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NFPA704
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危险公开号
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R22, R36/38, R50/53
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RTECS编号
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GL8800000 (anhydrous) GL8900000 (pentahydrate)
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安全公开号
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S2, S22, S60, S61
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