Boric Acid IP
Boric acid, also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum, is a weak, monobasic Lewis acid of boron. It has the chemical formula H3BO3, 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 is used as an antiseptic and insecticide.
Chemical Name: Boric Acid
Mol. Formula: H3BO3
Mol. Weight: 61.8g/mol
CAS No.: 10043-35-3
|Characters||A white, crystalline powder or colorless shiny
plates unctuous to the touch or white crystals; odorless
a)Specified Test. Ignite the solution; the flame has a green border.
b)Specified Test. The solution is faintly acid.
|Solubility||Freely soluble in boiling water, in boiling ethanol (95 %) and in glycerin (85 %); soluble in water and in ethanol (95 %)|
|Solubility in ethanol||Specified Test. The solution is not more opalescent than opalescence standard OS2 and colorless|
|Appearance of solution||A 3.5 % w/v solution in boiling water is clear and colorless|
|pH||3.8 to 4.8|
|Arsenic||Not more than 10 ppm|
|Sulphates||Not more than 450 ppm|
|Heavy metals||Not more than 20ppm|
|Loss on drying||Not more than 0.5%|
|Assay||Not less than 99.5% and not more than 100.5% calculated on the dried basis|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.