How to Handle Cryogenic Liquids - University of California ...

2331392 Boric acid is converted to metaboric acid (HBO2) on heating to 100-130°C and with further heating up into water-free boron trioxide. Boric acid, similar to boron trioxide, is the starting material for the production of other boron compounds (e.g. boron nitride, boron carbide, etc.). ................
................