Transcription of Chapter 5.2 Benzene - World Health Organization
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WHO Regional Office for Europe, Copenhagen, Denmark, 2000 1 Chapter Benzene General description Benzene (C6H6) is a colourless liquid at room temperature (melting point oC) with a density of g/cm3 at 20 oC. It has a relatively low boiling point ( oC) and a high vapour pressure ( kPa at 20 oC), causing it to evaporate rapidly at room temperature. It is slightly soluble in water ( g/litre at 25 oC) and miscible with most organic solvents. Benzene in air exists predominately in the vapour phase, with residence times varying between a few hours and a few days, depending on the environment, the climate and the concentration of other pollutants.
Chapter 5.2 Benzene Air Quality Guidelines - Second Edition WHO Regional Office for Europe, Copenhagen, Denmark, 2000 2 refuelling (2).Swedish measurements during refuelling have shown concentrations varying from 0.01
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