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Cadmium bromide

Molecular Structure:
MDL:
MFCD00150204
Molecular Formula:
CdBr2·4H2O
Molecular Weight:
344.28
Alias:
四水合溴化镉
Product order:
Name Specifications Packing Price Delivery
Cadmium bromide AR 100g RMB 22 Consulting service
Cadmium bromide CP 100g RMB 22 Consulting service
Character:
无水物黄色珍珠光泽片状结晶。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。
密度:5.192
熔点:567℃
沸点:863℃。
Quality Standard:
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
Storage:
密封避光保存。
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