White Small Crystal Sodium Thiosulphate Pentahydrate 99% Price for Sale
China White Small Crystal Sodium Thiosulphate Pentahydrate 99% Price for Sale, Find details about China Sodium Thiosulfate, Sodium Thiosulphate Anhydrous from White Small Crystal Sodium Thiosulphate Pentahydrate 99% Price for Sale
Product Name: SODIUM THIOSULFATE / SODIUM HYPOSULFIDE
CAS:7772-98-7
Molecular Formula: Na2S2O2•5H2O
Molecular weight: 248.17
Package:25kg, 50kg pp woven bag
Application:
It is usded as fixing agent in photo, reductant, dechlorinating agent, sulfur dyeing agent, disinfectant and decolor agent and applied in electrofacing, leather, etc.
Specification:
Item | Photographic grade | Industrial grade | Anhydrous grade |
Appearance | colorless transparent crystal | colorless transparent crystal | white powder |
Assay | ≥99.00% | ≥98.5% | ≥97.0% |
Water Insoluble matter | ≤0.01% | ≤0.03% | ≤0.03% |
Sulfide | ≤0.001% | ≤0.003% | ≤0.001% |
Fe | ≤0.001% | ≤0.003% | ≤0.005% |
PH | 6.5~9.5 | 6.5~9.5 | 6.5~9.5 |
Water solution reaction | in accordance with the test | in accordance with the test | ---- |
Granularity(g/g) | 12~16 | --- | ---- |
Packing and Shipping:
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