Sodium hydrosulfite for bleaching
Inquiry
| Post Date: | Mar 29,2016 |
| Expiry Date: | Mar 29,2017 |
| Detailed Description: |
Cas No. :7775-14-6
Quantity: 3000Metric Tons Specs:90% Min. Price:Negotiable USD Metric Tons Payment Method: T/T Sodium hydrosulfite Na2S2O4: 90% Min. Fe: 20ppm Max. Zinc: 1ppm Max. Other heavy metal calculated as Pb: 1ppm Max. Water Insoluble: 0.05% Max. Shelf Life: 12 month Application: 1. Used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates. 2. Used as bleaching agent of paper pulp in paper-making industry. 3. Used as bleaching agent of china clay in the ceramics industry. 4. Used as deoxidizer of rubber and styrene butadiene rubber synthesis, developer in photo-taking industry. 5. Used as reducing agent, bleaching agent in the industries including pharmacy, food, metallurgy and leather Packaging: 50kg/drum or as customers request. |
| CAS Registry Number: | 7775-14-6 |
| Synonyms: | ;Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite; |
| Molecular Formula: | Na2O4S2 |
| Molecular Weight: | 174.1071 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xn:Harmful; |
| Risk Codes: | R22:; R31:; R7:; |
| Safety Description: | S26:; S28A:; S43E:; S7/8:; |
| Company: | Rare Mine Chemical Resources Limited [ China ] |
| Contact: | Jackie |
| Tel: | +86-18432912390 |
| Fax: | |
| Email: | sales@minechemical.com |
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