Benzoic Acid
Name
|
BENZOIC ACID
|
|
Formula
|
C7H6O2
|
|
Molecular Wt
|
122.12
|
|
Cas No
|
65-85-0
|
|
Boiling Pt
|
249oC @ 760 mm Hg
|
|
Flash Pt
|
121oC
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Specifications Of Benzoic Acid
|
Specification
|
CP Grade
|
BP Grade
|
USP Grade
|
IP Grade
|
|
Description
|
Colorless light crystals or Powder odour slight and characteristics
|
|
Assay (On Dried Basis) % Min.
|
98.0%
|
99.0%
|
99.5%
|
99.5%
|
|
Clarity and colors of solution
|
-
|
colorless
|
colorless
|
colorless
|
|
Water/Loss on Drying
|
NMT 2.0%
|
NMT 0.7%
|
NMT 0.7%
|
NMT 0.7%
|
|
Arsenic
|
-
|
-
|
-
|
NMT 2 ppm
|
|
Congealing Temperature
|
-
|
121-123 D Cent.
|
121-123 D Cent.
|
121-123 D Cent.
|
|
Heavy Metals
|
-
|
NMT 10 ppm
|
NMT 10 ppm
|
NMT 10 ppm
|
|
Solubility
|
Freely soluble in ethanol, Sparingly soluble in water.
|
|
Oxidisable Substance
|
-
|
TO PASS
|
TO PASS
|
NMT 0.5 ml
|
|
Carbonisable Substance
|
-
|
Color NMT ref solu. Y5
|
TO PASS
|
Color NMT ref solu. Y5
|
|
Sulphated Ash
|
-
|
NMT 0.1%
|
-
|
NMT 0.1%
|
|
Residue on Ignition
|
-
|
-
|
0.5%
|
-
|
Use of Benzoic Acid: The CP grade of Benzoic Acid is used as an intermediate in the manufacture of chemicals, alkyd resins, polyesters, plasticizers, dyestuffs, preservatives, and rubber activators and retardants. Benzoic Acid, Industrial Grade, is used as a chemical intermediate and as a diverting agent in crude oil recovery applications. BP/USP/IP grades are used as a preservation in food & pharmaceuticals to inhibit microbial growth, also used in preparation of toothpaste, food etc.
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