Boric
acid
Definition
:- A water-soluble white or colorless crystalline
compound, H3BO3, used as an antiseptic and preservative
and in fireproofing compounds, cosmetics, cements, and enamels. Also
called boracic acid, orthoboric acid.
Definition
:- a white, odorless powder or crystalline substance
used as a buffer (H3BO3) and formerly used as a topical
antiseptic and eyewash. Also called boracic acid,
orthoboric acid.
Physical
and chemical properties
Appearance: Solid (powdered
solid).
Odor
: odorless.
Taste
: Bitter .
Color
: white.
Molecular
weight : 61.83 g / mole.
Ph
: 5.2
Boiling
point : 300° c (572° F).
Maltin
: 169° c.
Specific
gravity : 1.435
Solubility
: Soluble in water,
methanol partially in cold water, Slightly soluble in acetone.
Vapor
pressure : 2.6 in 20 °c (68 F).
Storage
: It should be kept in a
well clod container under cold to warm
condition 2 to 20 °c . Carbon steel or aluminum containers are
suitable for storage. Stainless steel in need for moist conditions.
Pharmaceutical
Uses :-
i.
Tablet preparation.
ii.
Capsule preparation.
iii.
Ointment preparation.
iv.
Vaginal suppository preparation.
Medical Uses :-
1) Aqueous solution of boric acid used as an eye.
2) Used as an antibacterial.
3) Used antiseptic for minor burns and cuts.
4) Used in dressing.
5) It is an effective treatment
for some skin condition such as mild rashes and acne.
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