Assay (by GC) (as n-Hexane) ≥ 95.0 %
Assay (by GC) (as isomers) ≥ 98.5 %
Colour(APHA) ≤ 10 APHA
Acidity ≤ 0.0003 meq/g
Non-volatile matter ≤ 0.0003 %
Water (KF) ≤ 0.01 %
Sulphur compounds(as S) ≤ 0.005 %
Tiophene(C4H4S) passes test
UV Spectrum (1.00 cm cell vs. water)
225 nm ≥ 90 %
254 nm ≥ 98 %
280-400 nm ≥ 99 %
UV Spectrum (2.00 cm cell vs. water)
225 nm ≥ 80 %