Ethanol A.r

Ethanol A.RUses:
For laboratory where high
degree of accuracy is required.For use in pharma
formulation industry.









TEST


DESCRIPTION


OBSERVATION




Definition


Anhydrous ethanol contains not less than 99.5 %
v/v of C2H5OH, at 20C




Appearance


A colorless, clear,
volatile liquid.
Miscible with water and with methylene chloride.
It burns with a blue, smokeless flame


As per Description




Relative Density


0.7907 to 0.7932


0.791




Ethyl Alcohol Content
a. Percent By Volume at


20.00 C Minimum.
b. Degrees Overproof, Minimum




99.50 100 % V/V


75




99.80 % V/V


75.4




Miscibility with water


Miscible


Miscible




Alkalinity


Not more than 1.0 ml of 0.01N sodium hydroxide


Nil




Acidity (As Acetic Acid) %w , Maximum


0.0030
(30 ppm)


0.0020




Residue on Evaporation,
%w
Maximum


0.0025
(25 ppm)


0.0010




Volatile impurities


Methanol 200 ppm


Not Detected




Acetaldehyde 5 ppm


Not Detected




Benzene 2 ppm


Not Detected




Total of other impurities in chromatograms
obtained on the test solution :300ppm


20 ppm




UV absorption


At wavelength 240 nm
Maximum 0.40
At wavelength 250 nm to
260 nm Maximum 0.30
At wavelength 270 nm to 340 nm Maximum 0.10


Passes the test




Residual solvents Maximum


Chloroform 60 /g
1,4 Dioxane 380
/g
Methylene Chloride 600
/g
Trichloro ethylene 80 /g


Not Detected










1,1 Diethoxyethane


Not Detected


Not Detected




Fusel oil (as Isoamyl Alcohol)


To satisfy test.


To satisfy test.




Water Content (% w/wBy KF)


0.25 Max.


0.03




Sd/-(Analysed By)


Sd/-(Checked By)


Sd/-(Approved By)