Sodium Metabisulfite

Molecular Formula: Na₂S₂O₅
Molecular Weight: 190.09
CAS NO.: 7681-57-4

Parameters

Application

Packing

Analysis Item	Specification
Assay	≥97.0%
Water insoluble	≤0.05%
pH	4~4.6
Pb	≤0.0005%
As	≤0.0001%
Fe	≤0.003%

Sodium Metabisulfite is mainly used as preservative in food applications, as an enzyme inhibitor in waste water treatment and leather tanning process. For bleaching wool and jute in textile industries. As antichlor after cotton bleaching printing and dying industry, to destroy cyanides in gold mining industry. Preservative in photo developer solutions, as reducing agent and sulfonating agent for chemical and medical industries etc.

25kg/bag or jumbo bag

Previous Page: Sodium Nitrite

Next page: Sodium Chlorate