Business Contact
Ing. Jaroslava Svobodová
tel. +420 476 164 281
fax. +420 476 163 691
jaroslava.svobodova@unipetrol.cz
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General Characteristics
Benzene is manufactured by pyrolysis of oil fractions and subsequent processing of pyrolysis gasoline. It is a transparent, colourless, highly combustible, inflammable, volatile liquid, free of impurities and water.
CAS: 71-43-2
Benzene is used as an intermediate for the production of chemical substances (ethyl benzene, caprolactam, aniline etc.) and is used during its whole life cycle under strictly controlled conditions defined in article 18(4) of Regulation (EC) No 1907/2006 REACH.
The product is classified as hazardous pursuant to Act No. 350/20011 Coll. and corresponding EU legal regulations (Regulation (EC) No 1272/2008 CLP, Directive No 67/548/EHS or Directive No 1999/45/EC.
Quality
| Parameter | Unit | Value | Test Method |
|---|---|---|---|
| Benzene | % wt. | min. 99,9 | calculation |
| Appearance | free of visible mechanical impurities | ||
| N-heptane | ppm wt. | max. 100 | gas chromatography |
| Toluene and methylcyclohexane | ppm wt. | max. 500 | gas chromatography |
| Density at 15 °C | kg/m3 | 880 - 888 | EN ISO 12185 |
| Solidification point | °C | 5,4 | ASTM D 852 |
| Total sulphur | ppm wt. | max. 1 | coulometric titration |
| Colouring by sulphuric acid | g K2Cr2O7/ l | max. 0,1 | comparison with K2Cr2O7 solutions |
Packaging, Storage, Transportation
Benzene is stored in tightly closed, heated storage tanks. It is delivered in steel railway tanks (ordinary or heated, according to temperature conditions).
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