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Product Details:
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| Appearance: | White Crystalline Powder | Purity: | Min 90% |
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| Water Insoluble: | Max 0.1% | Fe: | Max 0.002% |
| Grade: | Industry Grade | CAS NO.: | 7775-14-6 |
| High Light: | 90%Min Sodium Hydrosulfite,Sodium Hydrosulfite Powder,CAS 7775-14-6 Industry Grade |
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90%min Sodium hydrosulfite powder CAS 7775 -14 - 6 industry grade
Product Name: Sodium hydrosulphite, Sodium Dithionite, Sodium hydrosulfite
Quality standard: HG / T 2074 - 2011
Molecular formula: Na2S2O4
UN NO.: 1384
IMO Class: 4.2
Application:
1. As a reducing agent for printing and dyeing industry, synthetic dyes and intermediate production, printing and dyeing auxiliaries.
2. Bleaching agent used in the paper industry to make pulp.
3. Used as bleaching agent for clay in ceramic industry.
4. Used as deoxidizer in styrene butadiene rubber synthesis.
5. Used as a developer in the photographic industry.
6. Used as reducing agent and bleaching agent in pharmaceutical, food, metallurgy, leather and other industries.
Specification:
| Items | Specification |
| Appearance | White crystalline powder |
| Purity | Min 90% |
| Smell | Odorless or slight smell of SO2 |
| Water insoluble | Max 0.1% |
| Fe content | Max 0.002% |
| Zn content | Max 0.0001% |
Storage: Sodium hydrosulfite powder shall be stored in a cool, dry, ventilated and covered warehouse to avoid direct sunlight. Keep away from heat sources and do not mix with water or steam. It shall not be mixed with oxidant or other inflammables. The bag mouth shall be tied up immediately and tightly after use and stored properly.
The storage period is half a year from the date of production. Products beyond the storage period of half a year shall be subject to quality inspection before use.
Our factory has more than 20 years' production experience for sodium hydrosulfite with capacity of more than 100,000metric tons per year. We produce sulfur dioxide, anhydrous sodium sulfite and sodium pyrosulfite etc. We control the quality during the production and finished process. We offer a very competitive price and on-time delivery to support our business with customers from all over the world.
While occupying the domestic market, we also expand the import and export business. Our products sell well all over the country, Southeast Asia, Europe and the United States and other overseas markets, and are highly praised and trusted by customers.We sincerely are ready to start business with your esteemed company.
Contact Person: Ms. Emily
Tel: +86 13816701879
