Boric acid 99%: 1.powder, granule 2.high content with competitive price 3.quickly ... point: 169 °CBoiling point: 300 °CRelative molecular mass: 61.83 1. Description:Boric acid, also called boracic acid or orthoboric acid ... inclined shaft side flake crystallization, have satiny gloss, no odor. Handle Proportion 1.435 (15 °C). Soluble in water, alcohol, glycerin, ethers ...