Henan Eshine Chemicals Co.,Ltd.

Sodium Thiosulfate

Name:Sodium thiosulphate pentahydrate

Other names: sodium thiosulphate, hypo

Molecular formula:Na2S2O3.5H2O

CAS: 7772-98-7/10102-17-7

EINECS No.:233-135-0

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