Boric acid is actually the boron oxide hydrate (B2O3 · 3H2O. The specific gravity of 1.435 (15 ℃). Boric acid solubility in water increased with the increasing of temperature, and water vapor can be as volatile; in the solubility of inorganic acid in water solubility than in small. Heated to 70 ~ 100 ℃ gradually dehydrated to produce boric acid, 150 ~ 160 ℃ generation focal boric acid, boron anhydride is generated at 300 ℃ (B2O3).

Solubility table:

0 ℃ 3G, 10 ℃ 3G, 20 ℃ 5g, 30 ℃ 7g, 40 ℃ 9g, 50 ℃ 11g, 60 ℃ 15g, 70 ℃ 18G, 80 ℃ 23g,

90 ℃ 29g, 100 ℃ 37G

Boric acid is toxic to the human body, oral effects of central nervous system.

Boric acid

The acid source is not itself is due to proton, electron deficient boron is atomic, can the hydroxyl ion and water molecule, and the release of protons. The electron deficient nature, adding polyhydroxy compounds (such as Gan oleyl alcohol and glycerin) to form stable complexes, in order to strengthen its acid.

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