sodium metabisulfite

Sodium Metabisulfite

Appearance:White crystalline powder

CAS No:7681-57-4

EINECS No:231-673-0

Synonyms:Sodium Pyrosulfite, SMBS

Molecular Formula:Na2S2O5

Molecular Weight:190.107

Melting Point:150℃ (Decomposed)

Density:1.48 g/cm³

Accurate Mass:189.898254

Water Solubility:540g/L (20 ℃)

Main application of sodium metabisulfite:

Preservative, bleaching agent and antioxidant in food industry.

Water treatment as reductant.

Bleaching agent for textile fibers, paper pulps.

Printing and dyeing industry as a dechlorinating agent and cotton scouring agent.

Ore dressing agent in mining industry.

Fixative ingredients in photographic industry.

Production of oral, topical and parenteral pharmaceutical products

Solubilizing and acidifying agent for leather industry.

Rubber industry as coagulator.

Anticorrosion and bleaching treatment in wooden products.

Producing concrete water reducing agents in construction industry.

Standard packing:

25Kg plastic woven bag with PE inner/Jumbo bag.

Storage:

Store at a cool, dry and ventilated storehouse.

The product is with hygroscopicity, packaging should be sealed to prevent air oxidation.

Prohibited to store and transport together with acids, oxidants, and harmful and toxic substances.