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Sodium Thiosulfate, Pentahydrate, Crystals
Sodium Thiosulfate, Pentahydrate, Reagent, ACS grade, also known as Sodium Hyposulfite (Na2S2O3•5H2O), is a high-purity chemical used across a variety of industries. With a molecular weight of 248.19, its primary applications include photographic fixer, chrome tanning, water dechlorination, silver extraction, bleaching, and iodometry. Additionally, it serves as a reagent, mordant, and reducing agent in dyeing processes. Its white crystalline appearance and >99% purity ensure reliable performance in technical and industrial uses.
Specifications
Chemical Formula Na2S2O3•5H2O Molecular Weight 248.19 Purity > 99% Appearance White crystals Iron < 10 ppm Heavy Metals < 6 ppm Insoluble Matter < 0.02% CAS# 10102-17-7
Applications and Benefits:
- Photographic fixer
- Chrome tanning
- Water dechlorination
- Silver extraction from ores
- Bleaching and paper making
- Reducing agent in chrome dyeing
- Reagent for iodometry
- Making colloidal sulfur
- Mordant for textiles
Caution:
Handle with care. Review the Material Safety Data Sheet (MSDS) for safety instructions and best practices before use.
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