化学性质
无色至白色结晶或结晶性粉末,通常含7个分子结晶水,无臭,有特有的类似香菇的鲜味。熔点不明显,240℃褐变,250℃分解。对酸、碱、盐、热均稳定。有较强的吸潮性,易溶于水(25℃,25%),5%的水溶液pH值为7.0~8.5,微溶于乙醇、丙酮和乙醚。小白鼠经口LD5010g/kg,ADI不需特殊规定(FAO/WHO,1994)。
危险属性
危险品标志 Xi
危险类别码 36/37/38
安全说明 22-24/25-36/37/39-27-26
WGK Germany 2
RTECS号 MF9290000
危险类别码 36/37/38
安全说明 22-24/25-36/37/39-27-26
WGK Germany 2
RTECS号 MF9290000
质量标准
Test Items Standard
Appearance White fine crystals
Assay 98.0 to 101.0%
Specific Rotation [20/D] °~°
Melting point
Chloride (Cl) Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Not more than 0.20%
Residue on Ignition (Sulfate) Not more than 0.20%
Appearance White fine crystals
Assay 98.0 to 101.0%
Specific Rotation [20/D] °~°
Melting point
Chloride (Cl) Not more than 0.10%
Heavy Metals (Pb) Not more than 10 PPM
Loss on Drying Not more than 0.20%
Residue on Ignition (Sulfate) Not more than 0.20%