Sodium metabisulfite

Sodium metabisulfite

Quality standard: HG/T2826-2008

Item	National standard HG/T2826-2008		Enterprise current value
Item	Superior grade	Top grade	Enterprise current value
Main content (as Na₂S₂O₅),%	≥96.5	≥95.0	≥97.0
Iron content (as Fe),%	≤0.005	≤0.010	≤0.002
Water insolubles content,%	≤0.05	≤0.05	≤0.02
Arsenic (as As) content, %	≤0.0001	—	≤0.0001

Molecular formula: Na₂S₂O₅
Molecular weight: 190.10
Appearance: white crystal powder
Net weight: 25, 50, 1000 kg/bag or according to customer requirements.

To use
Used for the production of insurance powder, sulfadimethylpyrimidine, caprolactam, etc., as well as chloroform, phenylsulfoxide and benzaldehyde purification; an ingredient used in the photographic industry as a fixing agent; for the production of vanillin in the spice industry; used as preservative in brewing industry, rubber coagulant and cotton cloth bleaching dechlorination agent; organic intermediates, dyes, tanning used as reducing agents used in electroplating industry, oilfield wastewater treatment and as mineral processing agent in mines, etc.

In industry
Used for printing and dyeing, organic synthesis, printing, leather, pharmaceutical and other departments; Used as preservative, bleach and loose agent in food processing.

Used as chemical reagent
(printing and dyeing and photography, etc.), used as bleaching agent, mordant, reducing agent, rubber coagulant, also used in organic synthesis pharmaceutical and spices, etc

Prev：No
Next：Sodium bisulfite

Weifeng

Company Add: Shijiazhuang New and High-tech Industrial Zone, Hebei province
P.C.: 050000 Contact: Director Ren +86-13832390234
Manager Ren +86-13603311335/15027769680 Fax: +86-311-86581118
E-mail: 250768848@qq.com Website: www.1001jdan.com