Boric acid

Boric acid, also called orthoboric acid, and trioxoboric acid (III) is a chemical compound used as an antiseptic, insecticide, flame retardant and precursor to other chemical compounds. It is commonly used for pH regulation and as a component in foliar fertilisers. Download international safety data sheet for boric acid. ICSC 0991 - BORIC ACID

IDENTIFICATION AND PROPERTIES BORIC ACID

Name: Boric acid
Synonyms: Orthoboric acid, Boractic acid
CAS: 10043-35-3
EC: 233-139-2

• Appearance (20ºC,1013 hPa): white crystalline solid (granular powder)
• Odour: Odourless
• pH (20ºC): 6.1 (solution at 0.1%) 5.1 (solution at 1.0%) 3.7 (solution at 4.7%)
• Melting point. >1000ºC
• Flash point: Non-flammable
• Flammability (solid/gas): Non-flammable
• Vapour pressure (20ºC): Negligible
• Relative density (20ºC). 1.51 g/cm3
• Solubility in water (20ºC): 4.7%
• Solubility in water (100ºC): 27.5%
• Partition coefficient n-octanol/water (Log Pow) (22ºC): -1.09
• Auto-ignition temperature: Not self-igniting
• Decomposition temperature: 169 +/- 1ºC HBO2 form
• Viscosity: Not applicable to solids
• Explosive properties: Non-explosive
• Oxidising properties: Non-combustive

USES

• Industrial ceramics manufacture
• Cosmetics
• Detergents
• Borosilicate glasses
• Textile fibreglass