Boric Acid 99.9-100.9%



Restricted to Professional Users
– A declaration of use will need to be completed and approved prior to shipment of any order placed


Boric acid, also called boracic acid or orthoboric acid or acidum boricum, is a weak acid.

Professional Users Only: Acceptance of Orders for this Product will be subject to Completion and Approval of a Declaration of Use

Boric acid, also called hydrogen borate or boracic acid or orthoboric acid or acidum boricum, having chemical formula H3BO3 (sometimes written B(OH)3), is a weak acid of boron often used as an antiseptic, flame retardant, as a neutron absorber, and as a precursor of other chemical compounds. It exists in the form of colorless crystals or a white powder and dissolves in water. When occurring as a mineral, it is called sassolite.

Minimum Assay: (H3BO3) 99.9-100.9%
Molecular Formula: H3BO3
Molecular Weight: 61.83 g/mol
Melting Point: 169°C
Boric Oxide B2O3: 56.25-56.8%
Sulphate SO4:  <250ppm
Chloride Cl <10ppm
Iron Oxide Fe2O3: <4ppm
Mesh Size (20/0.850mm): <2% Retained

Hazard Phrases: May damage fertility or the unborn child .

Prec Phrases: Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF exposed or concerned: Get medical advice/attention.

Cas No: 10043-35-3
Einecs No: 233-139-2


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Additional information

Weight N/A
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100gm, 250gm, 500gm, 1kg, 2.5Kg, 5Kg, 25Kg