Description
product name:Sodium Pyrosulfite
Alias: lay particular stress on sodium sulfite; Heavy sulfur
oxygen; Coke sex sodium sulfite; Partial sodium sulfite
CASRN: ********4
EINECS number: ********0
Formula: Na2S2O5
Molecular weight: **0.*9
Appearance: white or light yellow crystalline form powder or small
crystal. .
The product specification: sulfur dioxide acuity *5%
Iron 0.**5% or less
Water insoluble, 0.*5% or less
PH 4.0 4.6
Solubility: soluble in water, become acidic aqueous solution.
Soluble in glycerin, slightly soluble in alcohol.
USES: chemical, pharmaceutical industry used in the production of
insurance powder, sulfa-drugs dimethyl pyrimidines, AnNaiJin, etc),
and caprolactam, chloroform were styrene-acrylic benzaldehyde and
purification. Photography industrial used as the fuser agent
ingredients. Spices industrial used in the production of vanillin.
Used as a brewing industry preservative, rubber and cotton cloth
after concreting bleaching agent. Take off the chlorine Organic
intermediates, dye, leather used as reducing agent, used as
electroplating industry, oil field, mine and wastewater treatment
as the dressing agent, etc.
Packing: *5 kg net weight in the plastic woven bag or ***0 kg net
big bags.