| item |
crude benzene |
light benzene |
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| processing purpose |
solvent purpose |
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| appearance |
yellow transparent liquid |
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| density（20℃），kg/m3 |
0.871 ~ 0.900 |
≤0.900 |
0.870 ~ 0.880 |
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| 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 |
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| water |
no insoluble water visible at room temperature (18 ~ 25 ℃) |
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| 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 |
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packaging, transportation and storage:
the product shall be put into a clean, dry tank car or iron bucket, and shall be sealed with lead and sent to the buyer. this product is volatile and poisonous, so it should be stored in a cool and ventilated place, away from fire and heat source, and should be stored separately from oxidant. if the storage tank is used, the storage tank area shall be marked with no fire, the flow rate shall be controlled and the grounding device for electrostatic discharge shall be installed. light loading and light unloading should be carried to prevent packing damage.