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Basic Info.
Model NO.
food grade
Appearance
White Powder, Powder
Grade Standard
Industrial Grade
Molecular Weight
190.09
Content
97%Min
Packing
PP Bag
Usage
Printing, Dyeing, Mordant, Leather
Stability
Stable
Water Solubility
Easy
Odor
Sulfur Dioxide Smell
Certificate
ISO, Halal, Kosher
Other Name
Sodium Pyrosulfite
Shelf Life
2 Years
Hazardous
No
Storage
Cool and Dry Place
Loading Qty
27mt
Brand
Fondland
Transport Package
PP Bag
Specification
25kg/Jumbo bag
Trademark
fondland
Origin
China
HS Code
2832100000
Production Capacity
50000mts/Year
Product Description
Sodium metabisulfite (Na2S2O5), is an inorganic compound, is white or yellow crystal, with a strong pungent odor, soluble in water, aqueous solution is acidic, and strong acid contact is released sulfur dioxide and the corresponding salts generated for a long time in the air, then oxidation into sodium sulfate, sodium metabisulfite can not be long time to store.
Chemical formula :Na2S2O5
Molecular weight :190.09
CAS No. :7681-57-4
EINECS No. :231-673-0
Appearance: white crystalline powder, smell of sulfur dioxide
solubility: soluble in water, aqueous solution is acidic soluble in glycerin, slightly soluble in ethanol
Chemical formula :Na2S2O5
Molecular weight :190.09
CAS No. :7681-57-4
EINECS No. :231-673-0
Appearance: white crystalline powder, smell of sulfur dioxide
solubility: soluble in water, aqueous solution is acidic soluble in glycerin, slightly soluble in ethanol
| Item | Quality Index | |
| Food Grade | Industry Grade | |
| Purity ( As Na2S2O5) | 98.0% min | 97.0% min |
| Sulfur Dioxide( SO2) | 65.0% min | 65.0% min |
| ( As ) | 0.0002% max | - |
| Heavy metals ( As Pb ) | 0.0005% max | - |
| 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 | |
25kg pp/paper bag with PE liner;
1000kg jumbo bag;
customized as per request
1000kg jumbo bag;
customized as per request
For the production of insurance powder, sulfamedimethymidine, caprolactam and so on;
Used for purification of chloroform, phenylprosulfone and benzaldehyde as fixative ingredients in the photographic industry;
Perfume industry for vanillin production;
Used as a preservative in the brewing industry;
Rubber coagulant and cotton cloth bleaching dechlorination agent;
Organic intermediates;
Used for printing and dyeing leather;
As a reducing agent;
Used for electroplating oil field wastewater treatment and as a mineral processing agent in mines;
Used as preservative, bleach, and laxative in food processing
Used for purification of chloroform, phenylprosulfone and benzaldehyde as fixative ingredients in the photographic industry;
Perfume industry for vanillin production;
Used as a preservative in the brewing industry;
Rubber coagulant and cotton cloth bleaching dechlorination agent;
Organic intermediates;
Used for printing and dyeing leather;
As a reducing agent;
Used for electroplating oil field wastewater treatment and as a mineral processing agent in mines;
Used as preservative, bleach, and laxative in food processing
We Fondland Chemicals Co., Ltd (hereafter referred as FONDLAND) established in 2010, are the leading manufacturer and supplier of Chemicals.FONDLAND founded relying on Shandong Haihua Group with strongest supplying capability and competitive price. Our products were sold to most of the world, including Middle East, Africa, Southeast Asia, North America, South America , Europe etc.
Our mainly products:Sodium carbonate,Sodium bicarbonate,Ammonium bicarbonate,Aluminum sulfate,Calcium chloride,Magnesium chloride,Sodium metabisulfite,Sodium nitrite, and so on.
With the aim of supplying best quality, prompt delivery, competitive price and professional service,
we are looking forward to cooperating with you for a bright future!
