... BORIC ACID Powder or Granular Purity: 98%, 99.5%, 99.9% Specifications Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak acid ... compounds. It has the chemical formula H3BO3 (sometimes written B(OH)3), and ... medicines, etc. ItemIndexFirst gradeSecond gradeBoric acid(%)≥99.5%≥96.5%Water insolubles(%)≤0.05%≤0.15%Sulfate ... Competitive Price Boric Acid -H3BO3