暗褐色不熔化的粉末或立方晶體。能溶于稀酸，緩慢溶于銨鹽，幾乎不溶于水。在空氣中吸收二氧化碳，變成碳酸鎘，其色逐漸變白。加熱至700℃開(kāi)始升華。中等毒，半數(shù)致死量（大鼠，經(jīng)口）72mg/kg。有致癌可能性。
密度:8.15

Q/（HG）SJ　699-95
項(xiàng)目Item　　                                     分析純　　化學(xué)純
                                                 （AR）　?。–P）
含量（CdO）Assay,%                              ≥ 99.0  　　98.5
澄清度試驗(yàn)Clarity                                 合格      合格
鹽酸不溶物Insoluble in hydro chloric acid      ≤ 0.01      0.02
氯化物（Cl）Chloride,%                           ≤ 0.01      0.02
硫酸鹽（SO₄）Sulfate,%　                         ≤ 0.01      0.02
鐵（Fe）Iron,%  　                              ≤ 0.005     0.01
鋅（Zn）Zinc,%  　                               ≤ 0.005     0.01
硫化氫不沉淀物（以硫酸鹽計(jì)）Substances not
precipitated by hydrogen sulfide,%             ≤ 0.4       0.6


項(xiàng)目                                           電池級(jí)
松裝密度：                                     0.65—0.4g/cm³
粒度：                                         1.5—2.2um
電化學(xué)容量                                     ≥290mAh/g
氧化鎘CdO                                      ≥99.00%  
鎘Cd                                           ≥86%  
鉈TI                                           ≤0.005 %  
鐵Fe                                           ≤0.005 %  
鉛Pb                                           ≤0.002 %  
銅Cu                                           ≤0.005 %  
鋅Zn                                           ≤0.005%  
氯化物                                         ≤0.005%  
硫酸物                                         ≤0.005%  
鹽酸不溶物                                     ≤0.01%
全部通過(guò)100目—200目電篩  


99.95% metals basis：


外觀Appearance                          棕色至紅棕色粉末
X-射線衍射分析X-Ray Diffraction         Conforms to Structure
純度Purity                              ≥99.95% Based On Trace Metals Analysis
Cd                                      85.7 - 89.3 % （Complexometric EDTA）
總金屬雜質(zhì)Trace Metal Analysis          500ppm by ICP Atomic emission

有機(jī)反應(yīng)催化劑，制造其他鎘鹽，磷光體，半導(dǎo)體，制造銀合金，蓄電池電極，陶瓷釉彩，電器觸頭。