琟远贸易化工有限公司 Ecovison Smart Chemicals Co. Ltd
Sodium Thiosulfate
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Molecular Formula:Na2S2O3·5H2O
Molecular Weight:248
CAS No:7772-98-7
Property:Colorless, transparent single oblique crystals, specific gravity: 1.729.It’s soluble in water easily, with strong reducing property.
Specification:
Na2S2O3·5H2O
99% Min
Insoluble matter in water
0.01% Max
Na2S
0.001% Max
Fe
0.002% Max
PH value (200g/L solution)
6.5-9.5
Packing:
- Net each in 25kg plastic woven bag, lined with PE bag.
Usage:
- Used in photographic, electroplate, purifying soft water and tanning processing hides, it also can be used as reducing agent, deoxidizer, sulfur dyeing agent, anti-white agent, detergent, disinfectant and color coat agent, etc.
