1)M. F.: NaHSO3
2)M. W.: 104.06
3)Grade: Industrial
4)Properties: Clear monoclinic crystal or white crystalline powder; Sulfa dioxide odor; Specific density: 1.48; Dissociate upon heating; Water soluble; Acidic aqueous solution; Slightly soluble in alcohol; Readily oxidized into sodium sulfate in air; Strongly reductive; Form adduct with formaldehyde; Storage: Tightly sealed and avoid light.
5)Standard: IS: 248-1971
6)Applications: In photographic developer, preservative for food, electrobath for electroplating of copper; For bleaching of organic products, chemical synthesis etc.; As reductant; In pesticide etc.
7)Packing: 25/50kg N. W. In knitted bag lined with PVC bag.
2)M. W.: 104.06
3)Grade: Industrial
4)Properties: Clear monoclinic crystal or white crystalline powder; Sulfa dioxide odor; Specific density: 1.48; Dissociate upon heating; Water soluble; Acidic aqueous solution; Slightly soluble in alcohol; Readily oxidized into sodium sulfate in air; Strongly reductive; Form adduct with formaldehyde; Storage: Tightly sealed and avoid light.
5)Standard: IS: 248-1971
6)Applications: In photographic developer, preservative for food, electrobath for electroplating of copper; For bleaching of organic products, chemical synthesis etc.; As reductant; In pesticide etc.
7)Packing: 25/50kg N. W. In knitted bag lined with PVC bag.
|
purity (in So2 ), %w |
≥65%
|
|
pH (5% aqueous solution)
|
4.0-4.5
|
|
water insoluble substance, %w
|
≤0.02
|
|
iron (in Fe), %w
|
≤0.01
|
|
heavy metal (in Pb), %w
|
≤0.02
|