sodium thiosulfate 99%
MF:Na2S2O3.5H2O
MW:158.09
Density:1.01g/ml at 25℃
PH:6.5-9.5
HS code:2832300000
Specification of sodium thiosulfate 99%:
Item | Photographic Grade |
Appearance | Colorless transparent crystal |
Assay | ≥99.0% |
Water insoluble matter | ≤0.01% |
sulfide | ≤0.001% |
Fe | ≤0.001% |
PH | 6.5-9.5 |
Water solution reaction | In accordance with the test |
Granularity(g/g) | 12-16 |
Application of sodium thiosulfate 99%:
1) Used in photographic and electroplate applications
2) For purifying soft water and tanning hides
3) As a reducing agent, fixers, blush preventive agent, deoxidizer, sulfur dyeing agent, anti whiting agent, detergent, disinfectant and color faking agent
Package of sodium thiosulfate 99%:
Sodium thiosulfate is packed in 25kg bags,one 20 feet container can load 25 tons, or according to your requirements.

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