hypophosphorous acid

noun

1. a colorless or yellowish, water-soluble, liquid, monobasic acid, H 3 PO 2 , having a sour odor, and used as a reducing agent.

hypophosphorous acid

/ ˌhaɪpəˈfɒsfərəs /

noun

1. a colourless or yellowish oily liquid or white deliquescent solid: a monobasic acid and a reducing agent. Formula: H 3 PO 2

Word History and Origins

Origin of hypophosphorous acid¹

First recorded in 1810–20

Example Sentences

The metal can be reduced by magnesium, zinc, cadmium, iron, tin, copper and substances like hypophosphorous acid from acid solutions or from alkaline ones by formaldehyde.

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