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Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

At standard temperature and pressure, the streams in this category are colourless gases or liquefied gases, either odourless or with slight characteristic, hydrocarbon or aromatic odours.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:

Additional information

Data from the CRC handbook (Lide 2008) were available for the substances methane, ethane, propane, butane and isobutane. Data are also available from the Merck handbook (O’Neill 2006) for methane, ethane, propane and butane. The information is taken from reliable peer reviewed handbooks and so can be considered reliable and suitable for use for this endpoint.