C7H8 M.W. 92.14
COLOUR(APHA) ............... max 10
ASSAY(GC)................... min 99.5%
Wt/ml(20??C) ................ 0.866-0.867g
REFRACTIVE INDEX(20??C) ..... 1.496-1.497
BOILING RANGE .............. 110-111??C
NON-VOLATILE MATTER ........ max 0.001%
ACIDITY(HCl)................ max 0.001%
SUBSTANCES DISCOLOURED
BY H2SO4 ................... passes test
IRON(Fe) ................... max 0.00001%
HEAVY METALS(Pb) ........... max 0.00001%
BENZENE(GC) ................ max 0.2%
THIOPHEN(C4H4S) ............ max 0.0002%
SULPHUR COMPOUNDS(S) ....... max 0.003%
WATER(KF) .................. max 0.03%