$100.00
Description
Sodium Thiosulfate – High Purity Industrial & Analytical Grade
Sodium Thiosulfate (Na₂S₂O₃) is a versatile inorganic compound widely used across gold leaching, water treatment, photographic processing, and laboratory analysis. Known for its reducing, dechlorinating, and complexing properties, sodium thiosulfate is essential in applications requiring precise chemical reactions, including non-cyanide gold extraction and iodometric titration.
Available in crystalline or powder form, our Sodium Thiosulfate is produced under stringent quality standards to meet industrial, analytical, and reagent grade specifications.
✅ Key Features & Benefits
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🟡 Gold Leaching Agent (Non-Cyanide)
Acts as a safer alternative to cyanide in eco-friendly gold recovery processes. -
💧 Water Dechlorination
Effectively neutralizes residual chlorine in drinking water, aquariums, and industrial wastewater. -
📷 Photographic Fixer
Removes unreacted silver halides in film processing, acting as a reliable photographic fixer. -
🧪 Analytical Chemistry Reagent
Used in iodometry, especially for titration of iodine and chlorine-based oxidants. -
🔄 Versatile Use Cases
Supports use in mining, pharmaceuticals, textiles, tanning, oil refining, and agriculture.
📋 Technical Specifications
| Property | Specification |
|---|---|
| Chemical Name | Sodium Thiosulfate Pentahydrate |
| Formula | Na₂S₂O₃·5H₂O |
| CAS Number | 10102-17-7 |
| Molar Mass | 248.18 g/mol |
| Appearance | White crystalline powder or granules |
| Purity | 99% min (industrial); 99.5–99.9% (lab grade) |
| Solubility | Fully soluble in water |
| pH (1% solution) | 6.5 – 9.5 |
| Odor | Odorless |
| Packaging | 25kg bags, 50kg drums, 1000kg jumbo bags |
| Shelf Life | 24 months (sealed, dry conditions) |
🏭 Common Applications
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Gold leaching & non-cyanide gold extraction
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Dechlorination of water (aquariums, municipal, industrial)
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Photographic processing
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Laboratory & analytical titrations
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Textile bleaching and dyeing
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Tanning, oil refining, and agriculture
⚠️ Regulatory & Safety Information
| Regulatory Type | Details |
|---|---|
| UN Number | Not classified as a dangerous good under UN system |
| Hazard Class | Non-hazardous (generally safe under normal handling) |
| CAS No. | 10102-17-7 |
| HS Code | 28323090 |
| REACH Status | Registered (EU) |
| SDS Highlights | |
| – Inhalation | Low risk, avoid dust inhalation |
| – Eye Contact | May cause mild irritation |
| – Storage | Keep dry, store in sealed containers |
| – Disposal | Dispose in accordance with local chemical regulations |
🛑 Note: Though generally considered safe, industrial-grade Sodium Thiosulfate should still be handled with gloves and eye protection in dusty environments.
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