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EC number: 295-442-6
CAS number: 92045-60-8
A complex combination of hydrocarbons obtained by subjecting a petroleum naphtha to a sweetening process to convert mercaptans or to remove acidic impurities. It consists of hydrocarbons having carbon numbers predominantly in the range of C4 through C5, predominantly C5, and boiling in the range of approximately minus 10°C to 35°C (14°F to 95°F).
Single values for the category or individual UVCB members are not applicable. Indicative values for the category for vapour pressure range are 4 to 240 kPa at 37.8°C
The vapour pressure range of 4 to 240 kPa at 37.8°C was obtained from the CONCAWE (2010) “Compilation of selected physico-chemical properties of petroleum substances” report. The vapour pressure was measured for various low boiling point (gasoline) naphthas according to the EN 13016 -1 method. A range was provided for the vapour pressure because it is not possible to define a single vapour pressure value for a UVCB substance. The quoted range was based on measured values for various category members.
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