Lot No.: ___________________________??????????????Date
Received:____________
Expiry Date:________________________
PARAMETERS
USP
STANDARD
RESULTS
REMARKS
Description
White
crystals, scales, or needles. Has a slight odour, usually suggesting
benzaldehyde or benzoin. Somewhat volatile at moderately warm temperatures.
Freely volatile in steam?
Identification
A.a salmon-coloured precipitate is formed
B.a white precipitate forms in about 10?minutes, this precipitate is soluble in ether
Solubility
Slightly
soluble in water; freely soluble in alcohol, in chloroform, and in ether
Congealing
range <651>
Between
121?and 123?o:p>
Water
Method I <921>
Not
more than 0.7 %
Readily
carbonizable substances <271>
The
solution has not more colour than Matching Fluid Q
Residue
on ignition <281>
Not
more than 0.05%
Heavy
metals <231>
The
limit is 10 ug per g
Readily
oxidizable substances
Not
more than 0.50 ml of 0.10 N potassium permanganate is consumed
Assay
Not
less than 99.5 % and not more than 100.5 % of C7H6O2, calculated on the
anhydrous basis
Revised::
September , 2005 by GAM ?????????????/span>Approved by ________________________
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