| CAS No.: | 7631-90-5 |
|---|---|
| Formula: | Nahso3 |
| EINECS: | 231-548-0 |
| Purity: | ≥99% |
| Type: | Sodium Bisulfite |
| Appearance: | Powder |
| Customization: |
|---|
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| CAS NO. | 7631-90-5 | HS.CODE | 28321000 |
| EINECS NO. | 231-548-0 | Storage Condition | Store at RT |
| APPEARANCE | White powder | ||
| Odor | Slight Odor of Sulfur Dioxide | ||
| Solubility | Soluble in Water | ||
| Stability | Stable. Incompatible with strong oxidizing agents, strong acids | ||
| Use | Used as reducing agent, food preservative and bleaching agent | ||
| Item | Chinese standard HG/T3814-2006 |
Test Result |
| Main content (in SO2) % | 64 ~ 67 | 65.2 |
| Water-Insoluble ≤ % | 0.03 | ≤0.02 |
| Chloride(Cl) ≤ % | 0.05 | ≤0.04 |
| Iron(Fe) ≤ % | 0.004 | ≤0.001 |
| Heavy metal(Pb)≤% | 0.001 | <0.001 |
| Arsenic(As) ≤ % | 0.0002 | <0.0002 |
| PH Value(500g/L solution) | 4.0 ~ 5.0 | 4.8 |
√ Sodium bisulfite is used for the bleaching of cotton fabrics and organic materials.
√ And used as a reducing agent in dyestuff, papermaking, tanning, chemical synthesis and other industries.
√ In the pharmaceutical industry, it is applied to produce intermediates of metamizole and aminopyrine.
√ Serves as bleaching agent, preservative, and antioxidant food grade products.
√ And used as a plating additive in the treatment of chromium-containing waste water.
Sichuan Zhonghongda Technology Co., Ltd, the leading supplier of Chemicals in Southwestern China, has engaged in chemical industry for more than 20 years. With the advantages of rich chemical resources in Western China,We can supply you mature & premium one stop service, richful product ranges, sufficient stock supply, strict quality control, fast delivery, professional & safe shipping team, good after-sales sevice etc. Since our products quality, production and delivery, sales service is guaranteed, many famous company choose to cooperate with us.
Our main products are Sodium Hydrosulfite, Sodium Bicarbonate, Sodium Carbonate,Sodium Sulfite,Sodium Bisulfite,Sodium Hydroxide, Caustic Soda, Acetic Acid, Hydrogen Peroxide Solution, m-Phenylenediamine and so on, which are widely used in chemical, pharmaceuticals, textile printing & Dyeing, leather processing, fertilizer, water treatment, construction industry, food & Feed additives and other areas. The company implements standardized corporate management, and has passed SGS, BV Certifications, ISO 9001: 2015 quality management system certificate(QMS), ISO 14001:2015 environmental management system certificate(EMS), ISO 45001:2018 health and safety management certificate(OHSMS).
We sincerely invite more clients in and abroad to join us.
1) What about product quality assurance policy?
We accept pre-shipment test by SGS or any other third party agents.
2) Can we print our logo on the product ?
Yes, we can do it. Just send us your logo design.
3) Do you accept small orders ?
Yes, we can do it. Pls contact us for order details.
4) How about the price? Can you make it cheaper ?
Price is negotiable under different conditions, we are assuring you to get the most competitive price.
5) Do you offer free samples ?
Yes, we could offer the sample for free charge but do not pay the cost of freight.
6 ) What are your payment terms ?
We usually accept T/T, L/C or other terms for negotiating.
7) Can I visit your factory in China ?
Yes, you are welcomed to visit our factory.
8) How Can I place an order ?
Kindly pls chat with us directly, or you could just send us inquiry, we will arrange your order accordingly after all details is finalized.
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