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Stabilized Sulphur Dioxide, 1 l


Please ask for quote via email or by phone (204) 488-1538.

SKU: SO2/32%-1L-BOT Categories: , ,


Stabilized Sulphur Dioxide (also referred to as bisulfite bleach, sodium hydrogen sulfite or sodium bifulfite) is a reducing disinfectants.

It can be used as reducing disinfectant in RO application, and in other applications where use of oxidising disinfectants is not an option (e.g. wine making, etc.). As well, it can be used to destroy (neutralize or reduce) residual chlorine in hyper-chlorinated drinking water or in chlorinated wastewater prior to discharge. It also can be used to destroy hydrogen peroxide, chlorine dioxide, mixed oxidants and other oxidants/disinfectants in the water. It can be applied for prevention of oxidative corrosion in the pipelines, cooling towers or boilers, where it will destroy oxygen and other chemicals oxidants.

Stabilized Sulphur Dioxide is sold as 32% solution in 1 l and 20 l containers. If you are interested in purchasing these products in 20 l containers or require the product’s MSDS, please contact us via email or by phone (204) 488-1538.

Additional information


1 l, 20 l

Dosing Rate

Dosing rate of Stabilised Sulphur Dioxide depends on the application and needs to be specifically calculated. A list of potential applications is shown below:
- for disinfection in RO applications;
- to destroy various disinfectants (usually chlorine or hydrogen peroxide) in the water;
- to prevent oxidative corrosion in water circulating systems.
Please contact Osorno for calculation of required dosage and recommendations for injection method.


- It is a colourless solution with the distinct smell of sulfur dioxide (burnt matches).
- It lowers pH of water.
- It lowers ORP (oxidation reduction potential) in water.
- It will bleach clothing.
- It may produce sulphur dioxide gas vapour that in excess concentrations will be corrosive.
- It can be used for stabilizing of wine after fermentation process is finished.


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Osorno Enterprises Inc.
976 Elgin Avenue
Winnipeg MB R3E 1B4
+1 204 488-1538 (Phone)
+1 204 488-1566 (Fax)
Regular Hours of Operation
We are closed on December 24 - 28, 2020 and
December 31, 2020 - January 4, 2021
Monday - Friday: 9:00 - 17:00
Saturday - Sunday: Closed

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