Shandong Chainwin Chemical Co.,Ltd.
We are professional supplier of CALCIUM GLUCONATE /,SODIUM GLUCONATE,ZINC GLUCONATE,FERROUS GLUCONATE,POTASSIUM GLUCONATE,COPPER GLUCONATE ,MAGNESIUM GLUCONATE,MANGANESE GLUCONATE.
Business Type:Manufacturer
Country/Region:China
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Sodium metabisulfite
Molecular Formula:NaHSO3
Molecular Weight:104.06
Appearance: White crystal grain
Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; have strong reducing property; can be oxidized in the air or loose sulfur dioxide.
Supply Ability: | 100000000 Ton/Tons per Year |
Port: | Qingdao |
Payment Terms: | L/C,D/P,T/T |
Quick Details
· Classification: Sodium Organic Salt
· CAS No.: 7681-57-4
· Place of Origin: Shandong, China (Mainland)
· Grade Standard: Food Grade, Industrial Grade, Medicine Grade
· Purity: 99%min
· Appearance: White crystal grain
· Application: Industry/Food/Concrete/Textile
· Brand Name: Chainwin
· Model Number: 99%- 98%
Packaging & Delivery
Packaging Details | 25KG PE BAG/PAPER BAG |
Delivery Time | Prompt after order |
Factory supply Industry grade & food grade sodium metabisulfite
1.Molecular Formula : Na2S2O5
2.Molecule Weight : 190.12
3.CAS NO .: 7681-57-4
4. Appearance : White Free Flowing Fine Crystal or Powder
5.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.
6.Specification:
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 |
7.Application:
(1)sodium metabisulfite food grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2)sodium metabisulfite industry grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
(3)photo grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
