Name:Sodium thiosulfate  Pentahydrate

Other Name: 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℃).

Application:

1. used in photographic processingas 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

Tel:0371-55986340