3854 Boric acid (H3BO3) Boric acid (H3BO3) also called hydrogen borate, boracic acid, orthoboric acid is a weak acid of boron often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. It has the chemical formula H3BO3 (sometimes written B(OH)3), and exists in the form of colorless crystals or a white powder that dissolves in water. When occurring as a mineral, it is called sassolite. Borate is a food contaminant deriving from paper and paperboard in contact with food. It has limited use as an antibacterial agent in caviar. 10043-35-3 7628 BH3O3 61.84 White powder. 171°C 50 mg/mL at 25°C No indication of carcinogenicity to humans (not listed by IARC). EYES: irrigate opened eyes for several minutes under running water. INGESTION: do not induce vomiting. Rinse mouth with water (never give anything by mouth to an unconscious person). Seek immediate medical advice. SKIN: should be treated immediately by rinsing the affected parts in cold running water for at least 15 minutes, followed by thorough washing with soap and water. If necessary, the person should shower and change contaminated clothing and shoes, and then must seek medical attention. INHALATION: supply fresh air. If required provide artificial respiration. 2013-04-25T07:56:50Z 2026-05-14T19:08:43Z C12486 33118 DB11326 BO3 true OB(O)O BH3O3 InChI=1S/BH3O3/c2-1(3)4/h2-4H KGBXLFKZBHKPEV-UHFFFAOYSA-N 61.833 62.017524428 Exogenous Solid 0.18 HMDB35731 CHEMBL42403 7346 CHEM002760 DTXSID1020194 NS00013411 boric acid 60.69 7.6937999999999995 5.145039272251462 0 3 3 8.698677768419094 -5.346305507279106 0 0