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Product Details:
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| Place of Origin: | China |
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| Brand Name: | Y&X |
| Certification: | ISO9001 |
| Model Number: | Sodium Metabisulfite |
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Payment & Shipping Terms:
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| Minimum Order Quantity: | 1 |
| Price: | US$ 2500-40000/piece |
| Payment Terms: | T/T |
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Detail Information |
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| Type: | Sodium Metabisulfite | Grade: | Food Industrial Grade |
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| Purity: | ≥90% | Appearance: | White Powder |
| Certification: | ISO9001 | Color: | White |
| Transport Package: | Plastic Woven Bag With PE Liner | Trademark: | Y&X |
| High Light: | 97% sodium metabisulfite in water treatment,cas 7757 83 7 sodium metabisulfite in water treatment,industry cas 7757 83 7 |
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Product Description
High Purity White Powder CAS 7681-57-4 Sodium Metabisulfite
Product Description: Supply CAS No. 7681-57-4 Sodium Metabisulfite for Industrial Grade
Sodium Metabisulfite
Sodium Metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant and preservative agent.
Product Informations:
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CAS No. |
7681-57-4 |
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EINECE |
231-673-0 |
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HS CODE |
2832100000 |
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MOLECULAR FORMULA |
Na2S2O5 |
Specifications:
1) Food Grade
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Items |
Specifications |
Typical Analysis |
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Colour |
/ |
White or yellowish |
White |
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State |
/ |
Crystalline powder |
Crystalline powder |
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Na2S2O5 |
(%) |
96.5 Min. |
97.1 |
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Fe |
(%) |
0.003 Max |
0.0021 |
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Clarity |
/ |
Passed |
Passed |
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As |
(ppm) |
1.0 Max |
0.85 |
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Heavy Metal(as Pb) |
(ppm) |
5.0 Max |
0.04 |
2) Industrail Grade
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Items |
Specifications |
Typical Analysis |
|
|
Na2S2O5 |
(%) |
96.5 Min. |
96.83 |
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Fe |
(%) |
0.003 Max |
0.0006 |
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As |
(ppm) |
1.0 Max |
0.8 |
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Heavy Metal(as Pb) |
(ppm) |
5.0 Max |
2.0 |
Technical Specification
| Tests | Specification |
| Appearance | White free-flowing Crystal Powder |
| Purity (Na2S2O5) | 97% min |
| Iron (Fe) | 0.003% min |
| Heavy Metal (Pb) | 5 ppm max |
| Arsenic (As) | 1 ppm max |
| Water Insoluble | 0.05% max |
| PH Value | 4.0-4.6 |
Packing
25kgs/PP PE BAG
Storage and Transportation
kept in a light-proof,well-colsed,dry and cool place.
Enter Your Message
| Y&X Beijing Technology Co., Ltd. |
| Building 5 , 7th District , Advanced Business Park (ABP ) , Fengtai District , Beijing , China |
| 86-10-53670362 |
| cherry_wang@yxbjtech.com |
