sodium thiosulfate sodium thiosulfate sodium thiosulfate
sodium thiosulfate na2s2o3
white crystal purity:99%min
packing:25kg/bag
delivery time:7days after the deposit
Sodium Thiosulphate
Another name:Sodium hyposulphite
Molecular formula:Na2S2O3
CAS: 7772-98-7
Molecular weight: 158
Properties:
Monoclinic crystal, Melting point: 40-45°C, Relative Density: 1.729(17°C).
Use:
Used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. And decolor agent
Packing:
25kg,plastic woven bag, or following your demand.
Specification:
Appearance |
colorless transparent crystal |
Assay |
≥99.00% |
Water Insoluble matter |
≤0.2% |
Sulfide |
≤0.0004% |
Alkalinity (as NaOH) |
≤0.02% |
Acidity (as H2SO4) |
≤0.01% |
Iron (as Fe) |
≤0.003% |
Heavy metals (as Pb) |
≤0.001% |
PH |
6.5~9.5 |
Water solution reaction |
in accordance with the test |
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