Technical boric acid (boric acid)

Technical boric acid (orthoboric acid), an inorganic weak acid (pK _a = 9.24) with the chemical formula H ₃ BO ₃ , which occurs in nature as a mineral called sassolin. Another name for this compound is boric acid, it has been used in industrial production, mainly for the production of ceramics, boron glass, cosmetics, insulating glass fibers, in agriculture and for detergents. It is relatively low-toxic and widely available, thanks to which it has been used as a "green" catalyst for many chemical reactions. For wood preservation and as a disinfectant. To neutralize alkalis in case of accidental skin contact. Turns the color of the burner green. Boric acid is widely used in industrial production.

It is used, among others, for the production of:

• fertilizers,
• pottery,
• cosmetics,
• detergents,
• is a component for the production of boron glass and paints, enamels
• it is also used as a wood impregnation agent and for creating insulating glass fibres.

CAS number: 10043-35-3
EC Mark: 233-139-2
Form: solid
Colour: white
Smell: odorless
pH: 6.1 (0.1% solution)
5.1 (1.0% solution)
3.7 (4.7% solution)
Melting point: 171°C
Density: 1.51g/cm3 (20°C)
Bulk density: 780-815 kg/m3
Solubility:
in water: 4.7% (20°C), 27.5% (100°C)
in organic solvents: no data available
Partition coefficient n-octanol/water (log): -1.09

Hazard statements:

• H360FD May damage fertility. May be harmful to the unborn child.

Precautionary statements:

• P201 Obtain special instructions before use.
• P202 Do not handle until all safety precautions have been read and understood.
• P281 Use personal protective equipment as required.