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Products > Fine Chemicals & Pharmaceutical Intermediates
Sodium Metabisulfite
Product name: Sodium Metabisulfite
CAS NO.: 7681-57-4
CAS NO.: 7681-57-4
Formula: Na2S2O5
N.W.: 190.12
Specifications: FCCIV
Specifications: FCCIV
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
|
Packing: 25kg bags,24mt/20FCL
Usage:
(1) 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) 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