Ethanol A.r

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)