... 09 CAS No.: 57-55-6 Quality indexes Item Index Color, APHA Max. 10 Content% Min. 99.0 ... . 80 Distillation range>95% 184-190 Index of refraction 1.433-1.435 Packing Packed in galvanized iron drums, ... Specific gravity (20/25 degree) 1.0350~1.0410 Refractive index(25 degree) 1.4307~1.4317 Distillation range (L), degree184. ... Chloroform, ug/g 60 max Organic Volatile impurity 1.4 dioxane, ug/g 380 max Organic ...