Appearance : A clear colorless liquid
Purity (by GC) .......................... Min 99.5%
Water (H2O) ............................. Max 0.1%
Acidity (as C4H8O2) ................ Max 0.0008 meq/gm
Non-volatile matter ................... Max 0.003%
Aldehydes and ketones ............ Max 0.015%
Copper (Cu) .............................. Max 0.0001%
Iron (Fe) .................................... Max 0.0002%
Lead (Pb) .................................. Max 0.0001%
Refractive index ........................ 1.399-1.400
Insoluble matter in water ........... Passes test
Weight/ mL at 20°C .................... 0.808 - 0.810 g
