Metaboric acid
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![Conversion of orthorhombic to monoclinic metaboric acid.](/Images/godic/202501/27/Orthorhombic_metaboric_acid2431.png")
Metaboric acid is the name for a family of inorganic compounds formed by the dehydration of boric acid. Metaboric acids are colourless solids with the empirical formula HBO2. There are three forms of metaboric acid, all are white solids. One form of metaboric acid is molecule, and another forms are polymers.