C8H10 M.W. 106.17
COLOUR(APHA) .................... max 10
TOTAL ASSAY(C8H10 ISOMERS) ...... min 99.8%
Wt/ml(20??C) ..................... 0.860-0.865g
REFRACTIVE INDEX(20??C) .......... 1.497-1.499
BOILING RANGE ................... 136-140??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%
SULPHUR COMPOUNDS(cs2) .......... max 0.0003%
THIOPHENE HOMOLOGUES(C4H4S) ..... max 0.0001%
BENZENE(GC) ..................... max 0.1%
TOLUENE(GC) ..................... max 0.1%
WATER(KF) ....................... max 0.01%