CHEMICAL SPECIFICATIONS
"A"
ACETONE
Test
Unit
Method
Results
Purity
wt%
GC
min. 99.5
Density at 20ºC
kg/l
ASTM D 4052
0.790-0.792
Water
wt%
BS 2511
max. 0.3
Acidity (as Acetic Acid)
wt%
BS509
max. 0.002
Appearance
Visual
1)
Distillation range at 750 mmHg
BS 509
I.B.P.
ºC
min. 55.8
D.P.
ºC
max. 56.6
Alcoholic impurities
BS 509
2)
Alkalinity
BS 509
2)
Colour
Pt/Co
ASTM D 1209
max. 5
Parrmanganate time
min.
BS 509
min. 180
Residue on evaporation
wt%
BS 4524
max. 0.001
ACETYL CHLORIDE
Test
Results
Physical Appearance
Colourless, Highly Refractive, Fuming Liquid
Odor
Sharp
Purity (by Chemical Analysis)
99.67%
Specific Gravity @27.5°C
1.105
Boiling Range
97% Distills up to 60°C
ANISOLE
Test
Results
Appearance
Colourless liquid with a pleasent odour
Melting Point
Boiling Point
154ºC
Vapour density
3.7 (air = 1)
Vapour pressure
10 mm/Hg at 42ºC
Density (g cm³)
0.995
Flash point
51ºC
Explosion limits
Autoignition temperature
475ºC
Water solubility
negligible
ASCORBIC ACID IP
Test
Results
Description
White crystalline powder
Solubility
Complies
Identification
A. IP absorption
Complies
B. Add 2ml of 2%w/v soln. to a few ml of 2.6
dichlorophenolindophenol soln. the soln. is decolorised
Complies
pH
2.39
Clarity and colour of solution
Complies
Specific optical rotation (10% w/v Solution)
+20.98°
Light absorption
Complies
Oxalic acid
Less than 0.2% w/v
Heavy metals
Less than 10 ppm
Sulfated ash
0.07% w/w
Assay
99.39% w/w
