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Description of key information

The relative density of ethylene is 0.978.

Key value for chemical safety assessment

Relative density at 20C:

Additional information

The Merck Handbook (O'Neil 2006) is peer reviewed and is considered reliable and suitable for use as a key study for this endpoint. It reports a density for the gas of 1.290 g/L at 0°C and 760 mm Hg pressure and a relative density of 0.978. The supporting study, CRC Handbook (Lide 2008) is also a peer reviewed handbook and reports a density for the gas of 0.5678 g/cm3 at -104°C.