Sodium thiosulfate - 7772-98-7 Specificaton & Trade Terms
| Model | 7772-98-7 |
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| Place Of Origin | China mainland |
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| Price Term | EX-Work |
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| Payment Term | T/T |
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Sodium thiosulfate
Appearance: colorless monoclinic crystal
CAS No.: 7772-98-7
Purity: 99%
Shelf Life : one year.
Application: used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent
Product Specification:
Item Photo grade Tech grade Anhydrous
appearance Colorless transparent crystal Colorless transparent crystal White powder
Na2S2O3 99.0%min 98.5% min 97.0% min
Water insoluble matter 0.01%max 0.03% max 0.03%max
sulfide 0.001% max 0.003% max 0.001% max
iron 0.001% max 0.003% max 0.005% max
PH 6.5-9.5 6.5-9.5 6.5-9.5
Water solution reaction Pass test Pass test
Granularity(g/g) 12-16 .
Package: 25kg / 50kg compound plastic woven bag.
Storage & handling:Store the product in a cool and dry place prevent from direct sunlight , water and moisture avoid contact with strong acid,oxidants .Do not stores it for long time.
