CAS Number: 7772-99-8 Chinese Name: Tin(II) chloride English Name: Tin(II) chloride Alias: Stannous chloride, anhydrous; Tin dichloride, anhydrous; Anhydrous tin(II) chloride; Crystalline stannous chloride; Tin dichloride Content: 99.9% Molecular Formula: Cl?Sn Molecular Weight: 189.59 EINECS Number: 204-825-9 Package: 25 kg/drum Specification: Content (SnCl?·2H?O)/% ≥ 98.0 | 97.0 Clarity test: Qualified | Qualified Hydrochloric acid insoluble matter/% ≤ 0.005 | 0.01 Sulfate (SO?)/% ≤ 0.003 | 0.01 Iron (Fe)/% ≤ 0.003 | 0.01 Copper (Cu)/% ≤ 0.002 | 0.005 Lead (Pb)/% ≤ 0.005 | 0.02 Arsenic (As)/% ≤ 0.0001 | 0.0002 Alkali and alkaline earth metals (as sulfate)/% ≤ 0.02 | 0.1 Usage: Used in the determination of silver, arsenic, molybdenum, etc.; also used as a mordant and reducing agent. Physical Properties: Colorless or white monoclinic crystalline solid. Storage: Store sealed in a cool, dry place.