Chemical Formula | Na₂S₂O₃·5H₂O | CAS No. | 10102-17-7 |
Molecular Weight | 248.18 g/mol | Appearance | White crystalline powder |
Purity | ≥ 99% | Solubility | Soluble in water |
PH (5% solution) | 6.0 - 8.4 | Packaging | 25kg / 50kg plastic woven bags or customized |
Key Features
High purity and stable quality
Excellent reducing and dechlorinating ability
Non-toxic and environmentally friendly
Rapid dissolution in water
Long shelf life
Applications
Photography
Used as a photographic fixer to remove unreacted silver halides from film and photo paper.
Water Treatment
Effective in dechlorinating tap water or waste water after disinfection with chlorine or hypochlorite.
Chemical Manufacturing
Used as a reducing agent in chemical processes and a sulfur source in dyeing and tanning.
Medical & Pharmaceutical
Used as an antidote for cyanide poisoning and in some pharmaceutical formulations.
Agriculture
Applied to detoxify chlorinated water for irrigation and used in soil treatment.