Sodium Metabisulfite(Food grade)
name：Sodium Metabisulfite(Food grade)
Formula：Na2S2O5
M.W：190.10
CAS NO.：
Characters：White or yellowish crystalline powder.
Usage：Bleach (such as candy, cake, magnolia, etc.);Loose agents (such as bread, biscuits, etc.);Antiseptic fungicides (such as juice, canning, brewing, food storage, etc.);Anti-oxygen preservative (e.g. golden needle sprout, seafood, fruits and vegetables, etc.)
Specification：

Item

index

main content(in Na2S2O5），%≥

96.5

Iron (Fe) content，%≤

0.003

clarity

Pass text

As contents， %≤

0.0001

Heavy metals (Pb)， %≤

0.0005