• 溴化镉,四水

  • 产品编号:19115
    CAS号:13464-92-1
  • 别名:二溴化镉 分子式:CdBr2·4H2O 分子量:344.28
  • 订货编号
  • 规格
  • 包装
  • 单价
  • 优惠价
  • COA
  • 数量
  • 1038375
  • 99.98%
  • 100g
  • 询价
  • 询价
  • 1038376
  • AR,99%
  • 100g
  • 询价
  • 询价
  • 1038377
  • AR,99%
  • 25g
  • 询价
  • 询价

化学性质

易溶于热水。溶于冷水、乙醇、盐酸。微溶于丙酮、乙醚。四水合物为白色针状结晶。极易溶于热水,溶于冷水、丙酮、乙醇。微溶于乙醚。干燥空气中易风化。 久置或见光渐变黄色。有毒。有致癌可能性。四水合物加热至37℃时失去3分子结晶水转变为一水化合物

质量标准

Q/(HG)SJ 132-91
项目Item                        分析纯    化学纯
                                          (AR)        (CP)
含量(CdBr2·4H2O)Assay,%           99.0~101.0   99.0~101.5
水不溶物Insoluble,%                     ≤ 0.005      0.01    
游离酸Free acids                           合格       合格      
氯化物(Cl)Chloride,%                    ≤ 0.2        0.4
硫酸盐(SO4)Sulfate,%                    ≤ 0.005      0.01
铵盐(NH4)Ammonium salt,%                ≤ 0.005      0.005
铝(Al)Aluminum,%                        ≤ 0.05       0.1
铁(Fe)Iron,%                            ≤ 0.001      0.002
铜(Cu))Copper,%                       ≤ 0.002      0.002      
锌(Zn)Zinc,%                            ≤ 0.01       0.02
铅(Pb)Lead,%                            ≤ 0.005      0.005
硫化铵不沉淀物Substances not preci-
pitated by ammonium sulfide,%           ≤ 0.2         0.4


99.99% metals basis:


外观Appearance                          White Powder or Crystal or Chunk(s)
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
镉Cd(Complexometric EDTA)               31.8 - 33.5 %
ICP Major Analysis                      Confirms Cadmium component
总痕量金属杂质total metallic impurities ≤200ppm by ICP Atomic emission

危险性质

危险品标志  Xn,N
危险类别码  20/21/22-50/53
安全说明  60-61
 

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