| Environmental Protection: | No |
|---|---|
| Color: | White |
| Appearance: | Powder |
| Fe: | Max 0.002% |
| Water Insoluble: | Max 0.2% |
| Imo Class: | 4.2 |
| Samples: |
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| Customization: |
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Audited Supplier 85% min Sodium hydrosulfite powder CAS 7775-14-6 industry grade
Product Name: Sodium Dithionite, Sodium hydrosulphite, Sodium hydrosulfite
Molecular formula: Na2S2O4
Quality standard: HG / T 2074 - 2011
IMO Class: 4.2
UN NO.: 1384
Specification:
| Items | Specification |
| Appearance | White crystalline powder |
| Purity | Min 88% |
| Water insoluble | Max 0.2% |
| Fe content | Max 0.002% |
| Zn content | Max 0.0001% |
| Smell | A little smell of SO2 |
| Water solution | Clear transparent liquid |
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 locates in South East of China with capacity of 100,000 metric tons per year for sodium hydrosulfite. We also poduce anhydrous sodium sulfite, sodium metabisulfite etc. More than 50% of our products are for exporting market. We sincerely wish to establish business relationship with customers all over the world. Thanks!
If you have any query, please contact us and we will offer our most competitive price to support our business. Thanks!
ZHANJIU (SHANGHA) INDUSTRIAL CO, LTD is a professional supplier of fine chemicals for many industry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing.water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperated factories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliariesetc.Our cooperated factory for sodium hydrosulfite has capacity of 100,000 metric tons per year, wealso produce sodium metabisulfite and sodium formate etc.Our factory has internationally advanced production equipment and production technology.Comprehensively utilizes the by-products in the production process, and fully advocates circulareconomy and cleaner production.
Our manufacture base for Sulphur dyes is located in East China and founded in 2003. The main products are solid and liquid sulphur dyes, sodium thiosulfate, sodium sulfide, etc. Our capacity for sulphur dyes is 30000 tons of solid and 30000 tons of liquid every year.
Our cooperated factory for sodium percarbonate has capacity of 100,000 metric tons per year and we already exported more than 50 countries. The main application of sodium percarbonate is indetergent and aquaculture industries, For aquaculture, we can supply granular uncoated type and tablet type. It is Class 5.1 dangerous chemicals and we have very good professional experiences for exporting this product.
https://zhanjiuindustry.en.made-in-china.com/company-ZHANJIU-SHANGHAI-INDUSTRIAL-CO-LTD.html
1) Do you accept small orders ?
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Audited Supplier 
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