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Sodium Metabisulphite
1.PRODUCT DESCRIPTION
Name: Sodium Metabisulphite
Appearance: white
Grade: Food Grade/Industry Grade
Type: Emulsifiers, Enzyme Preparations, Flavoring
Molecular formula:Na2S2O5
CAS No.: 7681-57-4
EINECS: 231-673-0
HS Code: 28311020
2.APPLICATION：
(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
The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
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Item
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Quality Index
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Food Grade
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Industry Grade
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Purity ( As Na2S2O5)
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98.0% min
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97.0% min
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SO2
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65.0% min
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65.0% min
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As
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0.0002% max
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-
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Heavy metals ( As Pb )
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0.0005% max
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-
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Se
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0.0005% max
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-
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Iron (Fe)
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0.001% max
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0.002% max
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Water insoluble
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0.02% max
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0.05% max
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PH value :
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4.0-4.8
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4.0-4.8
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