Sodium Bisulphite

Airedale Chemical Sodium Bisulphite has a variety of general uses which include being a reducing agent used in applications similar to Sulfur Dioxide. It is also used in the pulp and paper industry, as a sulfonation agent in CTMP production and is also well-suited in removing residual bleaching chemicals

Sodium Bisulphite solution is a clear, yellow solution with a sulphur dioxide odour and holds the chemical formula NaHSO3 and is also generally used as a food additive with E number E222.


This product is available in the following sizes

  • 25L Drum
  • 200L Drum
  • Bulk Transfer


Food & Beverage

Available from our sister company Rigest

In food as flavouring preservative in winemaking - later added to bottled wine to prevent the formation of vinegar if bacteria are present, and to protect the colour, aroma and flavour of the wine from oxidation

In fruit canning to prevent browning and to kill microbes.

Added to leafy green vegetables in salad bars and elsewhere, to preserve apparent freshness

As a preservative in fruits and starch

As an enzyme inhibitor in melanin formation (black and brown spots)

Preserve colour and inhibit bacterial growth on fruits and vegetables, some seafood and in wine.

It is frequently used as a bleaching agent in flour and grains, and as a dough conditioner to enhance the rise and preserve the freshness of bread.

Water Treatment

In wastewater treatment added following disinfection with a chlorine solution to neutralize the residual chlorine before discharging the treated effluent.

As an antichlor and in the detoxification of cyanide and chromate

Usually added to large piping systems to prevent oxidative corrosion.


For purifying and isolating aldehydes and ketones

For destroying waste bromine

Common reducing agent in the chemical industries


For bleaching wool and jute

For solubilising tanning extracts

Recycling & Waste

For bleaching ground wood

As an antichlor


For developer solutions and acidifying fixing baths

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