Sodium Metabisulfite

Molecular Formula: Na2S2O5

CAS No.: 7681-57-4

H.S. Code: 28321000

Appearance: White /Yellowish crystalline powder

Standard: GB1893-2008

Product Specification:

Item

Standard

AssayNa2S2O5),%

96.5

Iron contentbase on Fe),%

0.005

Water insoluble matter,%

0.05

Arsenic content(base on As),%

0.0001


Packing: 25kg/bag, 50kg/bag, 1000kg/bag, or according to customer’s requirements.

Application:

Pharmaceutical industry for the production of chloroform, phenylsulfoxide and benzaldehyde; Rubber industry is used as a rubber coagulator; Printing and dyeing industry as dechlorination agent and cotton scouring agent after bleaching cotton; Industry for printing and dyeing, organic synthesis, printing, leather, pharmaceutical;In food processing as preservative agent, bleaching agent, bulking agent.

Storage: keep away from sunlight and moisture, store in ventilated dry place.

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