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