Canada | Addition of Hypophosphorous Acid and its Salts and Derivatives to Controlled Substances List

This order amends Schedule VI of the Controlled Drugs and Substances Act (CDSA) to add hypophosphorous acid  and its salts and derivatives to the list of controlled substances. The amendment comes into force on the day on which the order is registered. Link to the Canada Gazette, Part II, Volume 157, Number 25: Index

Good to know:

Hyypophosphorous acid is a weak acid with a wide range of applications. It is used in a variety of industrial, pharmaceutical, and agricultural settings. Some of its common uses include:

• Electroless plating: Hypophosphorous acid is used as a reducing agent in electroless plating, a process for depositing metal coatings on a substrate without the use of electrical current.

• Bleaching: Hypophosphorous acid is used as a bleaching agent in various industrial processes, such as papermaking, textiles, and food processing.

• Metal finishing: Hypophosphorous acid is used to remove oxides and brighten metal surfaces.

• Water treatment: Hypophosphorous acid is used to treat wastewater and remove impurities.

• Pharmaceuticals: Hypophosphorous acid is used in the synthesis of pharmaceuticals, such as antibiotics and vitamins.

• Agriculture: Hypophosphorous acid is used as a fungicide and bactericide to control plant diseases.

• Food preservation: Hypophosphorous acid is used as a preservative in food products to prevent spoilage.