Alias: Sodium hydrogen sulfite; Sodium Bisulphite; sodium hydrogen sulfate
English name: Sodium Bisulfite
Molecular formula: NaHSO3
Molecular weight: 104.06
Properties: white monoclinic crystalline powder, with sulfur dioxide odor, relative density 1.49, easily soluble in water, breaks down if heated, slightly soluble in ethyl alcohol.
Quality standard: HG/T 3814-2006
|Main content (as SO2) %||64.0-67.0|
|Water-insoluble ≤ %||0.03|
|Chloride (as Cl)≤ %||0.05|
|Iron (Fe)≤ %||0.004|
|Heavy metal (as Pb)≤ %||0.001|
|Arsenic (As) ≤ %||0.0002|
|PH value (50g/L solution)||4.0-5.0|
Uses: This product can be used in bleaching cotton fabrics, or as reducing agent in dyestuff, papermaking, leather, chemical synthesis and other industries. Moreover, it can also be used in producing pharmaceutical intermediate, developing agent, bleaching agent for food, preservative, antioxidant, etc.
Packing: 25, 50, 1000 kg/bag, or upon customer's request, PP woven bag outside, PE plastic bag, paper-plastic composite bag, or kraft bag inside.