| Customization: | Available |
|---|---|
| CAS No.: | 7631-90-5 |
| Formula: | Hnao3s |
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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 |
Package:25kg/bag,1000kg/bag,1350kg/bag
Shipping marks can be customized according to customer requirements
Q: Are you a factory or a trading company?
A: We are a trading company, but we have worked with many factories for many years. The prices are very competitive.
Q: How do I order?
A: Make an inquiry to us → customize drawing and sample → Inform us of use scenario → Receive our product design recommendation → Discuss details → Confirm sample → sign contract/deposit → Mass production → Goods ready → Balance/delivery → Further cooperation.
Q: What about the sample order?
A: I can give you the sample. Please contact us for details. Once we charge you the sample fee, rest assured that it will be refunded when you place your official order.
Q: Which modes of transportation are available?
A: Sea, air, land, express, special line. Can meet your any need.
Q: How long does it take for delivery [production] and shipment?
A: The delivery time depends on the quantity you order. It usually takes 7-15 working days.
Q: I'm missing some products in my package. What can I do?
A: Please contact our support team, we will confirm the contents of your order with packaging, compensation according to the actual situation, we apologize for the inconvenience.
Q: How do I confirm payment?
A: We accept wire transfer, paypal payment, other payment methods are also acceptable, please contact us before you pay through other payment methods. Another 30% down payment is feasible and the balance should be paid before shipment.
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