Sodium Bisulphite Solution

PRODUCT INFORMATION

Name : Sodium Bisulphite Solution

Grade : Food

Description : Clear, colorless to yellowish solution containing 36 – 38 % Sodium Bisulphite (NaHSO3) or 37.5 - 40.5 % sodium bisulfite (NaHSO3) or approx. 23 – 24 % sulphur dioxide (SO2). Odour of SO2.

PRODUCT DATA AND TYPICAL PROPERTIES

Chemical name : Sodium bisulfite (or sodium hydrogen sulfite) aqueous solution

Chemical formula : NaHSO 3

Molar mass : 104.06 g/mol

CAS-No. : 7631-90-5

EINECS-No. : 231-548-0

Properties : Solution is acidic and oxidizes when contacting air.

PRODUCT SPECIFICATION

Sodium Bisulphite (NaHSO3) : % WT 36 – 38

Sulfur Dioxide (SO2) : % WT 22.9 – 24.2

Iron (as Fe) : 20 pmMax.

Density : Kg/L 1.3 – 1.4

pH : 4.0 – 5.0

The product is tested using our standard analytical methods.

Application

• Food: Preserving foodstuffs, aid with the production of starch, for ensiling green fodder.
• Treatment of process water: Removal of excess chlorine, in special cases removal of oxygen
• Treatment of waste water: e.g. removal of excess chlorine in the neutralization of cyanide, neutralization of chromic acid.
• Chemical and pharmaceutical industry: As reducing agent, for purifying and isolating aldehydes and ketones.Destroying waste bromine.
• Textile industry: Cleaning bleaching wool, jute and other vegetable fibres. For reduction in the dye works.
• Leather industry: Solubilizing tanning extracts.
• Paper and pulp industry: Bleaching ground wood.
• Photographic and film industry: For developer solutions, for acidifying fixing baths.