- a colorless or yellowish, water-soluble, liquid, monobasic acid, H3PO2, having a sour odor, and used as a reducing agent.
Origin of hypophosphorous acid
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a colourless or yellowish oily liquid or white deliquescent solid: a monobasic acid and a reducing agent. Formula: H 3 PO 2