性状  微红色有光泽具有延展性的金属，露置空气中变暗色，在湿空气中表面变成绿色的碱式碳酸盐，常制成块状、片状、箔状、丝状或粉末等。能很快溶于稀硝酸和热浓硫酸，也溶热浓的氢溴酸，在冷盐酸、稀硫酸或氨水中溶解缓慢。能与乙酸或其他有机酸起作用。
熔点：1083℃
沸点：2595℃ 
密度：8.92
   
备注:  以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。
质量标准  
   项目                                      分析纯 
                                              (AR)
含量(Cu)Assay,%                              ≥ 99.5
硝酸不溶物Insoluble matter,%                 ≤ 0.01
硫化氢沉淀物Snbstances not prec-
ipitated by hydrogen sulfide,%               ≤ 0.04
铁(Fe)Iron,%                                 ≤ 0.01
砷(As)Arsenic,%                              ≤ 0.001
银(Ag)silver,%                               ≤ 0.002
锑和锡(以Sn计)Antimony and tin,%             ≤ 0.01
铅(Pb)Lead,%                                 ≤ 0.01

4N,99.99%
外观Appearance                              Copper-colored powder
X射线衍射X-ray diffraction                  Conforms to standard
纯度Purity (complexometric titration)       98-102 %
ICP Assay                                   Confirms copper component
痕量金属Trace analysis, ICP                 ≤100 ppm
纯度Purity(metal basis)                     ≥99.99 %
                       

99.9%，D50(0.2～0.55μm)
外观Appearance                              Copper-colored powder
X射线衍射X-ray diffraction                  Conforms to standard
纯度Purity (complexometric titration)       98-102 %
ICP Assay                                   Confirms copper component
痕量金属Trace analysis, ICP                 ≤1000 ppm
纯度Purity(metal basis)                     ≥99.9 %
平均粒度Particle size, D50                  0.2 - 0.55 μm

99.9%，D50(0.6～1.0μm)
外观Appearance                              Copper-colored powder
X射线衍射X-ray diffraction                  Conforms to standard
纯度Purity (complexometric titration)       98-102 %
ICP Assay                                   Confirms copper component
痕量金属Trace analysis, ICP                 ≤1000 ppm
纯度Purity(metal basis)                     ≥99.9 %
平均粒度Particle size, D50                  0.6～1.0μm

99.9%，D50(1.0～3.0μm)
外观Appearance                              Copper-colored powder
X射线衍射X-ray diffraction                  Conforms to standard
纯度Purity (complexometric titration)       98-102 %
ICP Assay                                   Confirms copper component
痕量金属Trace analysis, ICP                 ≤1000 ppm
纯度Purity(metal basis)                     ≥99.9 %
平均粒度Particle size, D50                  1.0～3.0μm

99.9%，10-30nm
外观Appearance                              Copper-colored powder
X射线衍射X-ray diffraction                  Conforms to standard
纯度Purity (complexometric titration)       98-102 %
ICP Assay                                   Confirms copper component
痕量金属Trace analysis, ICP                 ≤1000 ppm
纯度Purity(metal basis)                     ≥99.9 %
平均粒度Particle size                       10-30nm

99.9%，80-100nm
外观Appearance                              Copper-colored powder
X射线衍射X-ray diffraction                  Conforms to standard
纯度Purity (complexometric titration)       98-102 %
ICP Assay                                   Confirms copper component
痕量金属Trace analysis, ICP                 ≤1000 ppm
纯度Purity(metal basis)                     ≥99.9 %
平均粒度Particle size                       80-100nm
贮存  密封保存。
用途  试剂、合金、电镀。
联合国编号  
Risk：  R11 R36/37/38
Safety :  S24/25  S26  S33  S37/39  S7
Hazard :  F  Xi