性狀 白色六方晶系粒狀結晶或粉末。易溶于水，溶于甲醇、乙醇、甘油、丙酮、乙醚，不溶于液氨。潮解性強，能自空氣中吸收水分而潮解。具有溶解金屬氧化物和纖維素的特性。熔融氯化鋅有很好的導電性能。灼熱時有濃厚的白煙生成。加大量水有氧氯化鋅產生。有腐蝕性。
相對密度2.91(25/4℃)
熔點283℃
沸點732℃   備註: 以上描述，僅作參考，並不表示您收到的產品，與此項描述完全相符，產品的出廠標準，請參見質量標準。

質量標準     HG/T 2760-1996
項目Item                                                    分析純    化學純
                                                              (AR)     (CP)
含量(ZnCl₂)Assay,%                                         ≥ 98.0     98.0
澄清度試驗Clarity                                             合格     合格
稀鹽酸不溶物Insoluble matter in diluted hydrochloric acid,%≤ 0.005    0.01
硫酸鹽(SO₄)Sulfate,%                                       ≤ 0.002    0.01
硝酸鹽(NO₃)Nitrate,%                                       ≤ 0.0002   0.001
銨鹽(NH₄)Ammonium,%                                       ≤ 0.00002  0.00005
鐵(Fe)Iron,%                                               ≤ 0.0005   0.002
鉛(Pb)Lead,%                                               ≤ 0.002    0.01
碱式鹽(以ZnO計)Basic salt,%                                ≤ 1.2      2.4
硫化銨不沉澱物(以硫酸鹽計)Substances not
precipitated by ammonium sulfide,%                         ≤ 0.1      0.3


品級Grade                               ACS級  
                                    (grade ACS reagent)
含量assay                               ≥98%
總氮total nitrogen (N)                  ≤0.002%  
鹽酸不溶物insoluble in HCl              ≤0.005%  
氧化氯oxide chloride (as ZnO)           ≤1.2%  
  Cd:                                   ≤5 ppm
  Cu:                                   ≤10 ppm
  Fe:                                   ≤5 ppm
  K:                                    ≤10 ppm
  Mg:                                   ≤10 ppm
  Na:                                   ≤10 ppm
  Pb:                                   ≤10 ppm


品級Grade                              分子生物學級  
                                 (grade for molecular biology)
含量assay                               ≥98.0% (AT)
DNA酶DNases,                            none detected
RNA酶RNases,                            none detected
磷酸酶phosphatases,                     none detected
蛋白酶proteases,                        none detected
總氮total nitrogen (N)                  ≤10 mg/kg  
pH                                      4-5.5 (25 °C, 1 M in H2O)
水溶解性solubility H2O:                 可溶，0.14 g/mL，20 °C, 無水透明
硫酸根sulfate (SO42-):                  ≤100 mg/kg
  As:                                   ≤2 ppm
  Ca:                                   ≤100 ppm
  Fe:                                   ≤10 ppm
  Pb:                                   ≤50 ppm
過濾測試filter test                      Passes


品級Grade                               99.99%，無水級  
                            (anhydrous, 99.99% trace metals basis )
外觀Appearance                          白色粉末、結晶或珠
純度Purity                              ≥99.99% Based On Trace Metals Analysis
鋅Zn                                    47.0 - 48.9 %（Complexiometric EDTA）ICP Assay                               Confirms  Zinc component
總金屬雜質Trace Metal Analysis          200ppm by ICP Atomic emission
(Na，Cs，Mg，Ca，Cu，Cd，V，Tl，Si，Cr，Pb，Fe)


品級Grade                               99.999%，無水級  
                            (anhydrous, 99.999% trace metals basis )
外觀Appearance                          白色粉末、結晶或珠
純度Purity                              ≥99.999% Based On Trace Metals Analysis
鋅Zn                                    47.0 - 48.9 %（Complexiometric EDTA）ICP Assay                               Confirms  Zinc component
總金屬雜質Trace Metal Analysis          20ppm by ICP Atomic emission
(Na，Cs，Mg，Ca，Cu，Cd，V，Tl，Si，Cr，Pb，Fe、Pd、Al、In、Ga)



品級Grade                               細胞培養，昆虫細胞培養專用
                              (cell culture tested, insect cell culture tested)
外觀Appearance                          白色至類白色粉末
含量assay                               ≥98.0% (AT)
細胞培養測試Cell Culture Test           Pass  
昆虫細胞培養測試Insect Cell Test        Pass
貯存 密封乾燥保存

用途 檢驗仲醇，用作脫水劑, 催化劑,縮合劑,媒染劑,上漿劑,增重劑,防腐劑, 還用於電鍍,染料,醫藥,農藥等工業。
分子生物學級用於在小鼠3T3細胞中，靠正義和反義RNA的表達來去調控DNA polymerase β。