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Contact SupplierWe are offering high quality sodium bisulfite cas 7631-90-5.
Specifications
sodium bisulfite
cas no.: 7631-90-5
chemical formula:nahso3
synonyms: sodium hydrogen sulfite, sodium acid sulfite, hydrogen sodium sulfite, sodium bisulphite, sodium hydrogen sulphite, sodium acid sulphite, hydrogen sodium sulphite, sulfurous acid sodium salt, hydrogen sulfite sodium.
Product use:water treatment, drug manufacture, food additive, textile manufacture, and other chemical processes.
Inspection standard:
gb 25590-2010 food additive sodium bisulfite.
Appreance: white crystal powdergranular.
Assey (basis as so2) : 58.5-67.4%
water insoluble matter:0.001% max;
iron(fe):50mgkg max;
arsenic(as):2mgkg max;
heavy metal:5mgkg max;
lead (pb):2mgkg max;
selenium(se):5mgkg, max.
Packed: as 25kg woven pp bags or paper bags.