... 99.9% Specifications Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak acid of boron often used as ... and exists in the form of colorless crystals or a white powder that dissolves in water. When occurring as ... paper glazes, cosmetics, soaps, textiles, medicines, etc. ItemIndexFirst gradeSecond gradeBoric acid(%)≥99.5%≥96.5%Water insolubles(%)≤0.05%≤0.15 ...