Ethanol absolute analytical reagent, Reag. ACS, Reag. ISO, Reag. Ph. Eur.
Parameter Specification Units Result Units
appearance complying complying
identity A complying complying
identity B complying complying
assay (GC) min. 99.8 Vol.% 99.9 Vol.%
boiling range 78 - 79 °C 78 – 79 °C
density (D 20/20) 0.790-0.791 0.790 - 0.791
refractive index (n 20/D) 1.3612-1.3618 1.3615
non-volatile matter max. 0.001 % <0.001 %
water (Karl Fischer) max. 0.2 % 0.01 %
free acid (as CH3COOH) max. 0.0005 % <0.0005 %
free alkali (as NH3) max. 0.0001 % <0.0001 %
aluminium (Al) max. 0.00005 % <0.00005 %
boron (B) max. 0.000002 % <0.000002 %
barium (Ba) max. 0.00001 % <0.00001 %
calcium (Ca) max. 0.00005 % <0.00005 %
cadmium (Cd) max. 0.000005 % <0.000005 %
cobalt (Co) max. 0.000002 % <0.000002 %
chromium (Cr) max. 0.000002 % <0.000002 %
copper (Cu) max. 0.000002 % <0.000002 %
iron (Fe) max. 0.00001 % <0.00001 %
magnesium (Mg) max. 0.00001 % <0.00001 %
manganese (Mn) max. 0.000002 % <0.000002 %
nickel (Ni) max. 0.000002 % <0.000002 %
lead (Pb) max. 0.00001 % <0.00001 %
tin (Sn) max. 0.00001 % <0.00001 %
zinc (Zn) max. 0.00001 % <0.00001 %
heavy metals (as Pb) max. 0.0001 % <0.0001 %
acetone (GC) max. 0.001 % <0.001 %
aldehydes (as CH3CHO) max. 0.001 % <0.001 %
iso-amyl alcohol (GC) max. 0.05 % <0.05 %
carbonyl compounds (as CO) max. 0.003 <0.003
furfural complying complying
methanol (GC) max. 200 Vol.ppm <200 Vol.ppm
2-propanol (GC) max. 0.003 <0.003
acetone and 2-propanol acc.to ACS complying complying
higher alcohols (GC) max. 0.01 % <0.01 %
volatile impurities (GC) complying complying
KMnO4 red. matter (as O) max. 0.0003 % <0.0003 %
reaction against H2SO4 complying complying
UV-absorption complying complying
APHA max. 10 <10
solubility in water complying complying
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