China price chemical Sodium Hydrosulphite 85% 88% 90%
- Category: Sulphate >>>
- Supplier: Tianjin Chengyuan Chemical Co. Ltd.
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Product Overview
Description
China price chemical Sodium Hydrosulphite 85% 88% 90%
Product Description
| PRODUCT NAME | SODIUM HYDROSULFITE |
| CAS NO. | 7775-14-6 |
| EINECS NO. | 231-890-0 |
| HS CODE | 2831101000 |
| UN NO | 1384 |
| MOLECULAR WEIGHT | 174.108 |
Sodium hydrosulfite with the formula Na2S2O4 is also known as sodium dithionite, and is white sand-shaped
crystal or yellowish powder. It is soluble in sodium hydroxide solution and slightly soluble in ethanol.Powdered
anhydrous sodium hydrosulfite with a small amount of water may ignite in air by the heat of decomposition.
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Product Overviews
Certifications
| INDEX | 90% | 88% | 85% |
| Na2S2O4 | ≥90% | ≥88% | ≥85% |
| Fe | ≤20PPM | ≤20PPM | ≤20PPM |
| Zinc(Zn) | ≤1PPM | ≤1PPM | ≤1PPM |
| Other heavy metal(Calculated as Pb | ≤1PPM | ≤1PPM | ≤1PPM |
| Water insolubes | ≤0.05% | ≤0.05% | ≤0.05% |
| Shelf Life(month) | 12 | 12 | 12 |
Applications
FAQ
Q: Are you trading company or manufacturer of caustic soda flakes 99% hs code 28151100?
A: We are the manufacturer of the caustic soda flakes 99% , our factory is in Mogolia.
Q: How long is your delivery time?
A: Generally it is 7-10 days, if we have stock. If not, maybe need 10-15 days to arrange the shipping.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: We can do TT payment, 100%LC at sight and DP.
Q: why we choose you ?
A : (1)We can provide Consistent, high-quality products ,
(2)we have strong technical support
(3) we have competitive and reliable price of the products
(4)We can provide excellent and fast customer service
If you have any other questions , please feel free to contact with us!
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