| CAS No.: | 7758-19-2 |
|---|---|
| Formula: | Clnao2 |
| EINECS: | 231-836-6 |
| Appearance: | Liquid |
| Grade Standard: | Industrial Grade |
| Water Insoluble: | Max 0.1% |
| Samples: |
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| Customization: |
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Audited Supplier 85% , 88% , 90% min Sodium hydrosulphite powder industry grade CAS 7775 -14 - 6
Product Name: Sodium Dithionite, Sodium hydrosulphite, Sodium hydrosulfite 85%min, 88%min, 90%min
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 85%, 88%, 90% |
| Water insoluble | Max 0.1% |
| Fe content | Max 20ppm |
| Other heavy metals | Max 10ppm |
| Smell | Odorless or a little smell of SO2 |
| Na2CO3 | 1.5~3% |
| Na2S2O3 | 0.5~1% |
| Na2SO3 | 0.5~1.5% |
Application:
1. As a reducing agent for printing and dyeing, synthetic dyes and intermediate production, printing and dyeing auxiliaries.
2. Bleaching agent used in the paper pulp.
3. Used as bleaching agent for clay in ceramic industry.
4. Used as reducing agent and bleaching agent in pharmaceutical, food, metallurgy, leather and other industries.
5. Used as deoxidizer in styrene butadiene rubber synthesis.
6. Used as a developer in the photographic industry.
Storage:
Do not store together with acids, oxidizing agent, combustible materials. Keep container tightly sealed. Store in cool, dry conditions in well sealed receptacles. Choose explosion proof lightening and ventilating facilities. There should be suitable facilities to contain the leaks.
Application of the substance:
Reducing agent in textiles and dyeing, bleaching agent in paper and pulp, reagent for pharmacy and analysis.
Precautions:
Keep cool, Wash throughly after handling. Don not eat, drink or smoke when using this product. Wear protective gloves/wear protective clothing/wear protective patch/wear protective mask.Avoid inhalation of dust/smoke/gas/smoke fog/steam/spray.Contaminated work clothes must not be taken out of the work area
ZHANJIU (SHANGHAl)INDUSTRIAL CO, LTD is professional supplier of fine chemicals for manyindustry fields, specializing for chemicals widely used in textile printing & dyeing, leather processing,water treatment, food & feed additives, pharmaceuticals and other areas.We have own cooperatedfactories for sodium percarbonate, sodium hydrosulfite, surfactant, sulphur dyes and textile auxiliariesetc.
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Audited Supplier 
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