无色或白色单斜晶系结晶。 溶于醇、乙醚、丙酮、冰醋酸中。
熔点  37-38 °C (dec.)(lit.) 
沸点  652 °C(lit.) 
密度  2.71  
水溶解性  1187 g/L (20 ºC)

Q/（HG）SJ　638-88项目Item　　　                                                  分析纯　化学纯                                                                （AR）  （CP）含量（SnCl2·2H2O）Assay,%                                     ≥ 98.0 　97.0澄清度试验Clarity                                                 合格   合格盐酸不溶物Insoluble matter in hydrochloric acid,%              ≤ 0.005  0.01硫酸盐(SO4)Sulfate,%                                           ≤ 0.003　0.01铁(Fe)Iron,%                                                   ≤ 0.003　0.01铜(Cu)Copper,%                                                 ≤ 0.002　0.005砷(As)Arsenic,%                                                ≤ 0.0001 0.0002铅(Pb)Lead,%                                                   ≤ 0.005　0.02碱金属及碱土金属（以硫酸盐计）Alkali and alkali erath metals,% ≤ 0.02 　0.1  ACS级项目名称Item                     　                            ACS Grade含量(SnCl2·2H2O)Assay                                         98.0-103.0%盐酸中的溶解性Solubility in hrdrochloric acid                  Passes test硫酸盐(SO4)Sulfate                                             passes test钙(Ca)Calcium(Ca)                                              ≤0.005%铁(Fe)Iron(Fe)                                                 ≤0.003%铅(Pb)Lead(Pb)                                                 ≤0.01%钾(K)Potassium(K)                                              ≤0.005%钠(Na)Sodium(Na)                                               ≤0.01%  ≥99.99% metals basis：  外观Appearance                          白色至类白色粉末或结晶纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICPAssay                                   98.0 - 103.0 %(Titration by Iodine)盐酸溶解性Solubility in HCl             Pass钙Calcium (Ca)                          ≤0.005 %铁Iron (Fe)                             ≤0.003 %钾Potassium (K)                         ≤0.005 %钠Sodium (Na)                           ≤0.01 %铅Lead (Pb)                             ≤0.01 %硫酸根Sulfate                           PassICP:                                    Confirms Tin Component Confirmed痕量金属分析Trace Metal Analysis        ≤100ppm by ICP Atomic emission(B、Ba、Ca、Cu、Fe、Mg、Na、Ni、Pb)   ≥99.999% metals basis：  外观Appearance                          白色粉末X-射线衍射分析X-Ray Diffraction         Conforms to standard红外光谱鉴别Infrared spectrometry       Conforms to Structure纯度Purity                              ≥99.999% Based on Trace Metals Impurities of ICP硫酸根sulfate (SO42-):                  ≤20 ppm痕量金属分析Trace Metal Analysis        ≤20ppm by ICP-MS  Ag:                                   ≤0.2 ppm  Al:                                   ≤0.5 ppm  As:                                   ≤1 ppm  Ba:                                   ≤0.05 ppm  Be:                                   ≤0.05 ppm  Bi:                                   ≤1 ppm  Ca:                                   ≤0.2 ppm  Cd:                                   ≤0.05 ppm  Co:                                   ≤0.2 ppm  Cr:                                   ≤1 ppm  Fe:                                   ≤2 ppm  Hg:                                   ≤0.5 μg/kg  K:                                    ≤0.5 ppm  Li:                                   ≤0.5 ppm  Mg:                                   ≤0.05 ppm  Mn:                                   ≤0.05 ppm  Mo:                                   ≤0.5 ppm  NH4+:                                 ≤10 ppm  Na:                                   ≤0.5 ppm  Ni:                                   ≤1 ppm  Pb:                                   ≤0.5 ppm  Sb:                                   ≤1 ppm  Sr:                                   ≤0.05 ppm  Ti:                                   ≤0.05 ppm  V:                                    ≤0.05 ppm  Zn:                                   ≤0.05 ppm  Zr:                                   ≤0.2 ppm

第8类腐蚀品。

用途  用作还原剂、媒染剂、脱色剂，电镀工业中用以镀锡 
用途  用于银、铅、砷、钼等的比色测定，也用作还原剂、媒染剂
 
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