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Boric acid, technical

Boric acid, technical

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Russia, Ekaterinburg
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Technical characteristics
  • BrandПредприятие Химпродукция ХХI
  • Country of manufactureTurkey
Description

Orthoboric or boric acid is a crystalline colorless substance of a scaly appearance, oily to the touch, with no smell. This weak acid has a layered triclinic lattice.

A colorless crystalline substance in the form of flavourless flakes, has a layered triclinic lattice in which acid molecules are connected by hydrogen bonds into flat layers, the layers are interconnected by intermolecular bonds (d = 0.318 nm).

In nature, boric acid is known as the mineral sassolin; it is also present in thermal waters. It is extracted with a mixture of polyols, alcohols or sorbed.

It is used: in the production of Ecowool, enamels, special - purpose glasses, in the production of ceramics, optical fiber, fiberglass, glass. In laboratory practice, boric acid is used to prepare buffer systems. In everyday life - the destruction of cockroaches, ants, bugs. In medicine, boric acid is used as an antiseptic (antimicrobial) agent. Aqueous solutions of boric acid are prescribed for rinsing the mouth and throat and for washing the eyes; ointments, pastes, powders with boric acid and boric alcohol (a solution of boric acid in alcohol) - for some skin diseases (boric alcohol is also used as ear drops). In the metal industry.

Name

Boric acid, grade B, technical

Chemical formula

H3BO3

PHYSICAL THERMAL CHEMICAL PROPERTIES

Appearance

Granular granular substance of white color

Density

1,435 (15 ° C) g / cm³

Molecular mass

61.83

The melting temperature

170.9 °C, 444 K, 340 °F °C

Boiling temperature

300 °C, 573 K, 572 °F °C

Solubility in water

2.52 (0 °C),4.72 (20 °C)

5,74 (25 °C),19.10 (80 °C)

27.53 (100 ° C) g / 100 ml

CLASSIFICATION

GUEST

18704 - 78

Cargo hazard class

Not classified

Fire and explosion proof

Shelf life

5 years from the date of manufacture

Packing: soft containers, bags.

Transportation: indoor water, rail, road transport.

Storage: open or closed rooms with natural ventilation.

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