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Help CenterFactory Supply Directly Sodium Thiosulphate (Sodium Thiosulfate) , 99% Min
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Name:Sodium thiosulphate Pentahydrate
Other names: sodium thiosulfate, hypo
Molecular formula:Na2S2O3.5H2O
CAS: 7772-98-7/10102-17-7
EINECS No.:231-867-5
Molecular weight:248
Properties:
Monoclinic crystal, Melting point: 40-45℃, Relative Density: 1.729(17℃).
Specification：
Item |
Industrial grade |
Anhydrous grade |
Appearance |
colorless transparent crystal |
white powder |
Assay |
≥ 99.0% |
≥ 97.0% |
Water Insoluble matter |
≤ 0.001% |
≤ 0.03% |
Sulfide |
≤ 0.001% |
≤ 0.0006% |
Fe |
≤ 0.001% |
≤ 0.005% |
PH |
6.5~9.5 |
6.5~9.5 |
Use:
1. used in photographic processing as a photographic fixer
2. electroplate applications in steel, as part of patina recipes for copper alloys
3. used in the tanning of leather
4. in PH testing of bleaching substances
5. in Waste water treatment, neutralizing bleached and chlorinated water.
6. to lower chlorine levels in swimming pools and spas following super chlorination
7. used in bleach
8. used in paper industry
9. used to remove iodine stains, e.g. After the explosion of nitrogen tri-iodide.
10. used in aquaculture
Packing:
25KG pp bags, 1MT jumbo bags
If you have any interested in our product Sodium Thiosulphate, please freely contact me.
Contact: Jessica
Email:sales03 at
Henan Eshine Chemicals Co.,Ltd.
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