Buy factory Boric Acid/ CAS 10043-35-3 / 11113-50-1/ wholesale

Buy Boric Acid CAS-10043-35-3 CAS-11113-50-1. Buy factory Boric Acid/ CAS 10043-35-3 / 11113-50-1/ wholesale. Boric acid, also called hydrogen borate, boracic acid, and orthoboric acid is a weak, monobasic Lewis acid of boron.

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However, some of its behavior towards some chemical reactions suggest it to be tribasic acid in the Brønsted sense as well.

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Boric acid is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. It has the chemical formula H₃BO₃ (sometimes written B(OH)₃), and exists in the form of colorless crystals or a white powder that dissolves in water. When occurring as a mineral, it is called sassolite.

Boric Acid BP Ph 

H3BO3 — 61.8 — CAS 10043-35-3
Boric Acid BP

DEFINITION
Boric acid contains not less than 99.0 per cent and not more than the equivalent of 100.5 percent of H3BO3.

CHARACTERS
A white, crystalline powder, colourless, shiny plates greasy to the touch, or white  crystals, soluble in water and in alcohol, freely soluble in boiling water and in glycerol  (85 per cent).

IDENTIFICATION
A. Dissolve 0.1 g by gently heating in 5 ml of methanol, add 0.1 ml of sulphuric acid and ignite the solution. The flame has a green border.
B. Solution S (see Tests) is acid.

TESTS
Solution S
Dissolve 3.3 g in 80 ml of boiling distilled water, cool and dilute to 100 ml with  carbon dioxide-free water prepared from distilled water.
Appearance of solution
Solution S is clear and colourless.
pH
The pH of solution S is 3.8 to 4.8.
Solubility in alcohol
Dissolve 1.0 g in 10 ml of boiling alcohol. The solution is not more opalescent than reference suspension and is colourless.
Organic matter
It does not darken on progressive heating to dull redness.
Sulphates
10 ml of solution S diluted to 15 ml with distilled water complies with the limit test  for sulphates (450 ppm).
Heavy metals
12 ml of solution S complies with limit test A for heavy metals (15 ppm)

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