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Product Details:
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| Odor: | Odorless Or Slight Odor Of Sulfur Dioxide | Appearance: | White Crystalline Powder |
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| Purity: | Min 90% | Fe: | Max 0.002% |
| Zn: | Max 0.0001% | Water Insoluble: | Max 0.1% |
| Quality Standard: | HG / T 2074 - 2011 | Molecular Formula: | Na2S2O4 |
| High Light: | 7775 14 6 Powder,Sodium Hydro Sulphite 90%Min,Sodium Hydro Sulphite White crystalline |
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Sodium hydrosulfite 90%min 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
Specification:
| Items | Specification |
| Appearance | White crystalline powder |
| Purity | Min 90% |
| Smell | A little smell of SO2 |
| Water insoluble | Max 0.1% |
| Fe content | Max 0.002% |
| Zn content | Max 0.0001% |
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.
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' history for sodium hydrosulphite production with more than 300 employees. We always take the quality as the most important. We offer the most competative price always on-time delivery.
We sincerely hope to establish business relations with customers from all over the world!
Contact Person: Ms. Emily
Tel: +86 13816701879
