Product Information
Chemical Name: Tin(II) Sulfate
Synonyms: Stannous Sulfate, Tin Sulfate
CAS No.: 7488-55-3EINECS: 231-302-2
Molecular Formula: SnSO₄
Molecular Weight: 214.77
Grade: Electroplating grade / Industrial grade
Purity: ≥99.0%
Chemphysical Properties
Appearance: White to pale yellow crystalline powder
Odour: Odourless
Density: 4.15 g/cm³Melting point: Decomposes at 360 ℃
Solubility: Soluble in water and dilute sulfuric acid; insoluble in ethanol
pH (50g/L): ~1.6
Feature: Easy to oxidize in air, aqueous solution unstable, reducing property
Quality Specification
| Item | Specification |
|---|---|
| Assay (SnSO₄) | ≥99.0% |
| Sn Content | ≥54.0% |
| Free sulfuric acid | ≤0.5% |
| Iron (Fe) | ≤0.005% |
| Lead (Pb) | ≤0.01% |
| Moisture | ≤0.2% |
| Water insoluble matter | ≤0.02% |
Use & Application
Acid tin electroplating main salt: PCB, electronic components, food tinplate, wire tinning
Aluminum alloy anodizing electrolytic colouring
Reducing agent and catalyst for organic synthesis
Raw material for preparing other stannous salts
Packing
25kg woven bag with PE inner bag; or 25kg/plastic drum
Delivery & Storage
Storage: Hermetically sealed, cool dry warehouse. Strictly avoid air, moisture, oxidants.
Transport: Corrosive solid (UN3260), prevent package damage.
Shelf life: 12 months under proper sealed storage.
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