| Model: | - |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Chemicals / Chemical Auxiliary & Catalyst / Chemical Auxiliary |
| Label: | Sodium hyposulfite , tanning processing , Sodium hyposulfite |
| Price: |
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| Min. Order: | - |
| Live Chat: | Last Online:07 Mar, 2014 |
Sodium hyposulfite
Molecule Formula: Na2S2O3
Molecular Weight:248.17
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.
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.
Specification:
|
Na2S2O3 |
99.0% 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 or 50kg plastic woven bag, lined with PE bag. dry and well ventilated place.
