Chemical Name: Stannous sulfate
CAS No.: 7488-55-3
Appearance: White powder
Packing: 25kg/drum
Purity: ≥98%
Stannous sulfate CAS 7488-55-3
Description
Stannous sulfate Details
Chemical Name: Stannous sulfate
Synonyms: Tin(II) Sulfate; Tin sulfate; Stannous sulphate
CAS No.: 7488-55-3
Molecular Formula: O4SSn
Molecular Weight: 214.77
Molecular Structure:
Appearance: White powder
Purity: ≥98%
Stannous sulfate Typical Properties
| Item | Specifications | Results |
| SnSO4 | ≧99% | 99.15 |
| Fe | ≦0.005% | 0.004 |
| Pb | ≦0.02% | 0.004 |
| As | ≦0.01% | 0.002 |
| Sb | ≦0.01% | 0.002 |
| CI | ≦0.005% | 0.005 |
| Acid-insoluble substance | ≦0.005% | 0.005 |
Stannous sulfate Usage
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Electroplating Industry:
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Acid Tin Plating: Primary source of tin ions in acid tin electroplating baths for electronic components, printed circuit boards (PCBs), continuous steel strip tinning, and metal finishing.
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Aluminum Surface Treatment:
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Anodizing Coloring: Serves as an electrolytic coloring agent to produce bronze, champagne, and dark brass colors on anodized aluminum profiles.
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Chemical Synthesis & Catalyst:
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Reducing Agent & Intermediate: Used as an inorganic reducing agent, mordant in textile dyeing, and esterification catalyst in organic chemistry.
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Stannous sulfate Packaging and Shipping
Packing: Net weight 25kg/drum
Stannous sulfate Storage
Stored in a cool dry ventilated place away from food materials.
Store strictly in a cool, dry, dark, and well-ventilated dedicated warehouse.
Shelf Life: 12 months under recommended original unopened storage conditions.