Sodium Metabisulfite

Chemical Name: Sodium Metabisulfite

Molecular Formula: Na2S2O5

Molecular Weight: Heptahydrate :190.107

CAS7681-57-4

Character: White or slightly yellow powder, have odor, soluble in water and when dissolved in water it forms sodium bisulfite.

Product Detail

Usage: it is used as disinfectant, antioxidant and preservative agent, also used as bleaching agent in the production of coconut cream and sugar, it is used for preserving fruit during shipping, it also can be used in the water treatment industry to quench residual chlorine.
Packing: In 25kg composite plastic woven/ paper bag with PE liner.
Storage and Transport: It should be stored in a dry and ventilated warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality Standard:(GB1893-2008)

PARAMETERS GB1893-2008 K & S standard
Assay (Na2S2O5),          % ≥96.5 ≥97.5
Fe,                      % ≤0.003 ≤0.0015
Clarity PASS TEST PASS TEST
Heavy metal (as Pb),      % ≤0.0005 ≤0.0002
Arsenic (As),             % ≤0.0001 ≤0.0001
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