Sodium metabisulfite Quick Details
| Other Names | SMBS,SODIUM METABISULPHITE ,Sodium Pyrosulfite |
| CAS No | 7681-57-4 |
| Molecular Formula/MF | Na2S2O5 |
| EINECS No. | 231-673-0 |
| HS Code | 2832100000 |
| Classification | Inorganic Chemicals |
| Grade Standard | Food Grade/Industry Grade |
| Purity | 96.5 %min |
| Appearance | White Free Flowing Fine Crystal or Powder |
| Package | 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. |
| MOQ | 20MT |
| Place of Origin | CHINA |
| Loading Port | CHINA MAIN PORT |
Sodium metabisulfite Usage
Pharmaceutical industry for the production of chloroform,benzene, styrene sulfone, and formaldehyde.
Rubber industry as a coagulant.
Bleached cotton printing and dyeing industry as the dechlorination agent, cotton scouring agent.
Leather tanning industry for processing, make the leather soft, plump, tough, waterproof, bending, wear and other properties.
The chemical industry for the production of vanillin hydroxyl, hydroxylamine hydrochloride and so on.
Sensitive industries such as reagent.
The food industry as a bleaching agent, preservatives, leavening agent antioxidant, color agents and the insurance agent.
According to China GB2760-86 provides that: as a preservative for the wine, the greatest use of 0.25g/kg; as bleaching agent for glucose, sugar bamboo, rattan and other mushrooms, no more than 0.45g/kg; residue (SO2 total), bamboo shoots, mushrooms are not allowed more than 0.025.
Sodium metabisulfite Specification
Industry grade: Sodium Metabisulfite
| ITEM | SPECIFICATION |
| Na2S2O5 content | 96.5 %min |
| SO2 | 65% min |
| Heavy metals (as Pb) | 0.0005%max |
| Arsenic (As) | 0.0001%max |
| Iron (Fe) | 0.003%max |
| Water insoluble | 0.05%max |
Food grade: Sodium Metabisulfite
| ITEM | SPECIFICATION | SPECIFICATION |
| Purity(As Na2S2O5) | ≥98.0% | ≥97.0% |
| Sulfur Dioxide(SO2) | ≥65.0% | ≥65.0% |
| Arsenic(As) | ≤0.0002% | -- |
| Heavy Metals(As Pb) | ≤0.0005% | -- |
| Selenium(Se) | ≤0.0005% | -- |
| Iron(Fe) | ≤0.002% | ≤0.005% |
| Water Insoluble | ≤0.02% | ≤0.05% |
| Remark | Conformed with FCCV and E223 Standard | Conformed with FCCV and E223 Standard |
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DALIAN CHEM --Dalian Chem Imp. and Exp. Group Co., Ltd.is focus on the supply of chemical raw materials, chemical products , and other related products since 1985.
At present, we provide more than 200 kinds of chemical raw materials and ingredients.Sodium metabisulfite is one of our main products.
Before Sodium metabisulfite order ,we can send the sample for your testing ,We ensure the quality is the same as bulk quantity.
There are many Sodium metabisulfite suppliers, mainly located in Asia. The Sodium metabisulfite we supply is cheap and the quality is guaranteed. Sodium metabisulfite products are popular all over the world.
For whatever questions about us or our products you may have, do let us know and you can be assured we reply you in details with 24 hours and to your satisfaction.
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