Item |
crude benzene |
light benzene |
|||
processing purpose |
solvent purpose |
||||
appearance |
Yellow transparent liquid |
||||
density(20℃),kg/m3 |
0.871 ~ 0.900 |
≤0.900 |
0.870 ~ 0.880 |
||
distillation range) atmospheric pressure 101.3kPa) |
distillate quantity before 75 ℃(volume fraction)/%≤ |
null |
3 |
null |
|
distillate quantity before 180 ℃(mass fraction)/%≥ |
93 |
91 |
null |
||
distillate quantity 96%(volume fraction)temperature/℃ ≤ |
null |
null |
150 |
||
water |
no insoluble water visible at room temperature (18 ~ 25 ℃) |
||||
triphenyl content(mass fraction)% ≥ |
85 |
null |
null |
||
sulfur /(mg/kg) ≤ |
7000 |
null |
null |
||
chlorine /(mg/kg) ≤ |
15 |
null |
null |
||
Note: when crude benzene is used for processing, such as oil washing as absorbent, the density is allowed to be no less than 0.865g/mL |