紫色或紫红色等轴晶系八面体结晶，易制成大颗粒结晶。 溶于水、稀酸，不溶于醇。
熔点  89 °C(lit.) 
密度  1.83  
水溶解性  24 g/100 mL (15 ºC) 

/(HG)SJ766-1998 HG3-916-76

ACS级
项目名称　　　 　                     ACS Grade
含量Assay                                      98.0-102.0%
氯化物(Cl)Chloride                   ≤0.002%
铝(Al)Aluminum                          ≤0.02%
铁(Fe)Iron                                     ≤0.01%
铵盐(NH4)Ammonium               ≤0.01%
重金属(以Pb计)Heavy                 ≤0.01%
 

项目ltem                                       分析纯　　　　　化学纯
                                                          (AR)              (CP)
含量Assay,%                                       ≥99.5              99.0
水不溶物lnsoluble matter in water,%  ≤0.005             0.01
氯化物(Cl)Chloride,%                        ≤0.002             0.005
铵盐(NH4),%                                        ≤0.01              0.03
铝(AL)ALuminum,%                           ≤0.02              0.05
铁(Fe)Iron,%                                         ≤0.005             0.02
重金属(以Pb计)Heavy metals,%         ≤0.002             0.01


99.99% metals basis:


外观Appearance                          White Powder
X-射线衍射X-Ray Diffraction             Conforms to Structure 
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms Chromium component
痕量金属杂质total metallic impurities   ≤100ppm by ICP Atomic emission

危险品标志                 Xi 
危险类别码                36/38 
安全说明                    22-24/25-37/39-26 
WGK Germany          2
RTECS                      GB6850000

  用作制革鞣剂、印染媒染剂及照相定影剂等 
  用作分析试剂，也用于照相制版
密封保存