粉红色或紫红色单斜晶系结晶体，易潮解，在室温下稳定，遇热变成兰色，在潮湿空气中冷却又变成红色，易溶于水、醇、醚、丙酮、甘油及乙酸，失去结晶水后变为兰色粉末的无水物。
密度:1.924
熔点:86℃ 

GB/T 1270-1996
项目Item　                                           分析纯　    化学纯
                                                      (AR)　     (CP)
含量(CoCl2·6H2O)Assay,%                             ≥99.0      98.0
水不溶物Insoluble matter in water,%　                ≤0.01      0.03
硫酸盐(SO4)Sulfate,%                                 ≤0.01      0.02
硝酸盐(NO3)Nitrate,%                                 ≤0.02      0.05
锰(Mn)Manganese,%                                    ≤0.005　　 0.02
铁(Fe)Iron,%                                         ≤0.001　　 0.002
镍(Ni)Nickel,%                                       ≤0.03   　 0.05
铜(Cu)Copper,%                                       ≤0.001　　 0.005
锌(Zn)Zinc,%                                         ≤0.002  　 0.05
硫化铵不沉淀物(以硫酸盐计)Substances not 
precipitated by ammonium sulfide,%                   ≤0.2　     0.3


ACS级
项目名称Item                                        ACS Grade
含量Assay                                            98.0-102.0%
不溶物Insoluble matter                               ≤0.01%
硝酸盐(NO3)Nitrate                                   ≤0.01%
硫酸盐(SO4)Sulfate                                   ≤0.01%
钙(Ca)Calcium(Ca)                                    ≤0.005%
铜(Cu)Copper(Cu)                                     ≤0.002%
铁(Fe)Iron(Fe)                                       ≤0.005%
铅(Pb)Lead(Pb)                                       ≤0.005%
锂(Li)Lithium(Li)                                    ≤0.1%
镁(Mg)Magnesium(Mg)                                  ≤0.01%
镍(Ni)Nickel(Ni)                                     ≤0.1%
钾(K)Potassium(K)                                    ≤0.01%
钠(Na)Sodium(Na)                                     ≤0.05%
锌(Zn)Zinc(Zn)                                       ≤0.03%



品级Grade                            植物细胞培养级, ≥98.0% (KT)  
                                    (for plant cell culture, ≥98.0% (KT)) 
外观Appearance                          Red to Purple Powder
红外光谱Infrared spectrometry           Conforms to Structure
水溶性Solubility                        Red，Clear，100 mg/ml, H2O
纯度Purity Titration by EDTA            98.0 - 102.0 %
植物细胞培养Plant Cell Culture Test     Pass


品级Grade                            细胞和昆虫细胞培养级, ≥98.0% (KT)  
                (for cell culture, for insect cell culture, ≥98.0% (KT)) 
外观Appearance                          Red to Purple Powder
红外光谱Infrared spectrometry           Conforms to Structure
水溶性Solubility                        Red，Clear，10 g + 100 mL, H2O 
纯度Purity Titration by EDTA            98.0 - 102.0 %
细胞培养测试Cell Culture Test           Pass 
昆虫细胞培养测试Insect Cell Test        Pass 


99.9% metals basis:


外观Appearance                          Red to Purple Powder
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.9% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms Cobalt component 
痕量金属杂质total metallic impurities   ≤1000ppm by ICP Atomic emission


99.998% metals basis:


外观Appearance                          Red to Purple Powder
X-射线衍射X-Ray Diffraction             Conforms to Structure
纯度Purity                              ≥99.998% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms Cobalt component 
痕量金属杂质total metallic impurities   ≤20ppm by ICP Atomic emission

1.主要用途是制取氧化钴和金属钴作合金材料的电子材料,少量用于制气压计、比重计、隐显墨水等。氯化钴试纸在干燥时是蓝色，潮湿时转变为粉红色。硅胶中加一定量的氯化钴，可指示硅胶的吸湿程度，常用于干燥存储器中
2.用作油漆催干剂、军用毒气和氨气吸收剂、啤酒泡沫稳定剂、变色硅胶干燥指示剂、玻璃和陶瓷着色剂等
3.作为饲料营养强化剂。用于电镀。用作玻璃和陶瓷着色剂、油漆催干剂、氨的吸收剂。制造钴催化剂，制造变色硅胶干湿指示剂。制造隐显墨水。用作啤酒泡沫稳定剂。畜牧业配制复合饲料，作为钴的补充剂。
 
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