Benzene, C6H6
A colourless to light yellow, mobile, nonpolar liquid of highly retractive nature; aromatic odor; vapors burn with a smoky flame. Flammable, danerous fire risk. Used in the manufacture of ethylbenzene (for styrene monomer); dodecylbenzene(for detergent) maleic anhydride, benzene sulfonic acid, as a solvent.
| PRODUCT NAME | : | -BENZENE |
| CAS number | : | - 71-43-2 |
| UN number | : | - 1114 |
| Formula | : | - C6H6 |
| Odour | : | - AROMATIC |
| Solubility in water | : | - SLIGHTLY |
| Density | : | - 0.879 at 20 oC |
| Boiling point | : | - 80 oC |
| Melting point | : | - 5 oC |
| Viscosity | : | - 0.652 cp at 20 oC |
| Flashpoint | : | - -11 oC |
| Explosive point | : | - 1.2 – 8 Vol% |
| Vappour pressure | : | - 100 mbar at 20 oC |
| Skin absorption/irritation | : | - YES |
| TLV Country NL | : | - 10 S ppm 30 S mg/m3 |
| Pollution category 1994 | : | - C |
|
BENZENE |
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|
Test |
Results |
|
Appearance |
Clear liquid of sediment and haze when observed at 18.3°C to 25.6°C |
|
Colour |
Max. 20 on Pt-Co scale |
|
Relative density at : 15.56/15.56°C |
0.8820 to 0.8860 |
|
Distillation range |
Not more than 1°C including the temp. of 80.1°C |
|
Sulphur compounds |
Free of H2S & SO2 |
|
solidification point, °C |
Min. 5.2 (Being not lower than 4.85°C anhydrous basis) |
|
Acidity |
No free acid, i.e. no evidence of acidity |
|
Acid Wash Colour |
Not darker than no. 2 colour standard |
|
Copper corrosion |
Passes 1A or 1B |
|
Non-Aromatics, ppm |
Max. 300 |
|
Toluene, ppm |
Max. 500 |
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