Mudanjiang Fengda Chemicals Import and Export Corporation

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Sodium thiosulfate, sodium metabisulphite, sodium

Basic Information
Company Information
Date Joined:	2008-12-15 17:43:59
Online Postings:	Products (11), Selling Leads (11)
Country/Territory:	China
Business Type:	Manufacturer Trading Company Buying Office Government ministry/Bureau/Commission Association
Payment & Shipping Terms
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Sodium thiosulfate (CAS no.: 7772-98-7):
Formula: Na2S2O3 .5H2O
Properties:
1) Appearance: colorless, transparent single oblique crystals
2) Specific gravity: 1.729
3) Easily soluble in water easily, with strong reducing

Uses:
1) Used in photographic and electroplate applications
2) For purifying soft water and tanning hides
3) As a reducing agent, deoxidizer, sulfur dyeing agent, anti-whiting agent,
detergent, disinfectant and color faking agent.


Sodium metabisulphite (CAS no.: 7681-57-4)
Properties:
1) Appearance: white or yellowish crystal powder

Sodium sulphite (CAS no. : 7757-83-7)
Properties:
1) Appearance: white crystal powder
2) Specific gravity: 2.633
3) Melting point: 150oC
4) Soluble in water, lightly soluble in alcohol
5) Water solution appears slightly alkali
6) Stability: decomposes when heated, and has reduction role

Usage:
1) Mainly used for dyeing, leather making and paper making
2) For production of chemical fibers, film and food
3) Photograph developing
Packing:
Sodium thiosulfate: 25kg/plastic woven bag lined with PE bag
Sodium metabisulphite: 25, 50 or 1,000kg/polyethylene bag with PP over bag
Sodium sulphite: 25 or 50kg/plaited bag with plastic bag lining

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