Product features
|
Product Name |
sodium metabisulfite |
|
HS CODE |
28321000 |
|
CAS No. |
7681-57-4 |
|
EINECS No. |
231-673-0 |
|
MF |
Na2SO4 |
|
Molecular weight |
190.12 |
|
Appearance |
White Powder |
|
Grade |
Food grade/industry grade |
|
Shelf Life |
2 years |
|
Certification |
Halal,Kosher,Iso,Haccp |
|
Packing |
25kg/bags |
Product specification
|
Item |
Standard |
|
Assay (as na2s2o5) |
97.0%min |
|
Fe |
0.003%max |
|
Clarity |
Pass the test |
|
As |
1ppm max |
|
Pb |
2ppm max |
|
Ph |
4.0-4.6 |
|
Item |
Standard |
|
Assay (as na2s2o5) |
97.0%min |
|
Fe |
0.003%max |
Applications
Industry Grade
1.Mordant:printing and dyeing industry
2.Bleaching Agent: waste water/textile/paper pulp/bamboo/timber
3.Rubber solidifying agent
4.Hydrocarbon perfume aldehyde: perfume industry
Food Grade
1.Bleaching agent (e.g. candies, cake, bamboo shoots)
2.Loosening agent (e.g. bread, cracker)
3.Antiseptic and germicide (e.g. fruit juice, tinned food brews, the cereals food)
4.Inhibitor and freshen agent (e.g. day lily, seafood, fruitand vegetable)
1, Chemical industry: Powder used in the production of insurance, sulfanilamide dimethyl pyrimidine analgin, caprolactam and chloroform, such as styrene acrylic sulfone and purification of benzaldehyde.Photographic industry ingredients used as a fixative.Spices industry for the production of vanillin.Preservatives used in brewing industry, rubber curing agent and the bleached cotton dechlorinating agent.Organic intermediates, dyes, leather used as reducing agent Used in electroplating industry, oil field wastewater treatment, and used as mine dressing agent, etc.
2, Industry: Used in organic synthesis, printing and dyeing, printing, leather, pharmaceutical and other departments;As a preservative in food processing, bleach, bulking agent.
3, As chemical reagent: (dyeing and printing and photography and so on), used as a bleach mordant, rubber curing agent, reducing agent is used for organic synthesis pharmaceutical, spices, and so on.
