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| Place of Origin: | Hunan |
| Brand Name: | OEM |
| Certification: | SGS,ISO 9001 |
| Model Number: | sodium pyrosulfite-f2 |
| Minimum Order Quantity: | 1 metric ton |
|---|---|
| Price: | usd 300 per metric ton |
| Packaging Details: | 25 kgs bag,1000 kgs big bag |
| Delivery Time: | 5-8 days |
| Payment Terms: | T/T , L/C |
| Supply Ability: | 3000 tons per month |
| Name: | Food Antioxidant Sodium Pyrosulfite | Other Name: | Food Antioxidant Sodium Metabisulfite |
|---|---|---|---|
| Color: | White Crystalline | Grade: | Food Grade, First Grade |
| Usage: | Food Antioxidant | Mocular: | Na2S2O5 |
| High Light: | smbs sodium metabisulfite,sodium meta bi sulphate |
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SODIUM PYROSULFITE/SODIUM METABISULFITE
Usage of sodium metabisulfite :
Food: preservative, bleach, loosening agent.
Industrial:
It used in dyeing and printing industry, organic synthesis, printing, leather, pharmaceutical and other sectors.
Storage:kept in a light-proof,well-colsed,dry and cool place.
Specification of sodium metabisulfite:
| Item | Quality Index | |
| Food Grade | Industry Grade | |
| Purity ( As Na2S2O5) | 98.0% min | 96.0% min |
| Sulfur Dioxide( SO2) | 65.0% min | 65.0% min |
| Arsenic ( As ) | 0.0002% max | - |
| Heavy metals ( As Pb ) | 0.0005% max | - |
| Selenium (Se ) | 0.0005% max | - |
| Iron (Fe) | 0.001% max | 0.002% max |
| Water insoluble | 0.02% max | 0.05% max |
| PH value : | 4.0-4.8 | 4.0-4.8 |
| Remark : | Conformed with FCC V and E 223 Standard | |
Storage: store the products in dry and cool place.
Appearance: white free flowing fine crystal or powder.
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, water solution. It has acidity, and its solubility will become large while raising the temperature and is less to dissolve in ethanol.
Packing: packed in 25kg plastic woven bag, 25kg Kraft paper bag, 25kg PE bag, 500kg/1000kg/1100kg/1200kg jumbo bag or as per the buyer's requirement.
Quality:
ITEM |
QUALITY INDEX |
| Result | |
| Content of Na2S2O5 (calculated by dry base) % |
97.2% |
| Content of SO2 | 65% |
| Content of chloride(NaCl) (calculated by dry base) % |
0.1 |
| ARSENIC | 0.0001 |
| Content of insolubles in water (calculated by dry base) % |
0.017 |
| Moisture % | 1.0 |
| Heavy Metal(AS Pb) | 0.004 |
| Iron(Fe) | 0.0009 |
| PH Value | 4.5 |
| Appearance of product | White fine crystal with slightly yellowish |
| Packing | 25kg/bag, polywoven plastic bag outer , and PE film bag inner |
| Result | FIRST QUALITY |
| Remark |
Product Description
We are a main supplier of 98% Sodium Metabisulfite in China. We can supply you 98% Sodium Metabisulfite with competitive price. The details of the product as follow:
Sodium Metabisulfite
Molecular Formula: Na2S2O5
Molecule Weight: 190.12
CAS NO.:7681-57-4
EC:231-673-0
UN: 2693
HS:28321000
Contact Person: Ms.xie
Tel: +8613975090964
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