Registration Dossier

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

Acetylene is a colourless gas at standard temperature and pressure.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
gaseous

Additional information

No information on the methods used is available. However, this information is taken from a reliable peer reviewed handbook (Lide 2008) and is considered reliable and suitable for use for this endpoint. The CRC handbook was the most up to date source at the time. This result is confirmed by data from the supporting study (NIOSH 2005) indicating that acetylene is a colourless gas at standard temperature and pressure.