sodium metabisulphite

sodium metabisulphite

  • Description

Product Name : sodium metabisulphite

Chemical Name : disodium oxidosulfanesulfonate oxide

CAS No : 7681-57-4

Molecular Formula: Na2S2O5

Molecule Weight: 190.10

Appearance: White or light yellow crystalline powder

Specification:


ITEM

Industrial grade

Food grade

Assay:

96% min

96% min

SO2 content

65% min

65% min

Iron:

0.005% max

0.005% max

Heavy metals (as Pb)

--

0.002% max

Arsenic

--

0.0002% max

pH

4.0-4.6

4.0-4.6

Water insoluble:

0.05% max

0.05% max

 

Main uses:

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 65533;65533;brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Industrial 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 stapk; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydrocarbon perfume aldehyde The hide profession employ to do to molt dose and pliable dose and wearproof dose 65533;65533; The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.

Packaging:in polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.

sodium metabisulphite
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