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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
not specified
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP status not known, information from a published handbook, acceptable with restrictions
Justification for type of information:
N/A
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. The introduction to the CRC Handbook of Chemistry and Physics states that data for physical constants have been taken from many sources, including both compilations and the primary literature. Where conflicts were found, the value deemed most reliable was chosen. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
no
Remarks:
No data reported
Specific details on test material used for the study:
not specified
Physical state at 20°C and 1013 hPa:
gaseous
Key result
Form:
gas
Colour:
Colourless
Odour:
other: No data reported
Substance type:
organic

N/A

Conclusions:
Ethylene is a colourless gas at standard temperature and pressure.
Executive summary:

Ethylene is a colourless gas at standard temperature and pressure. No information on the methods used is available. However, this information is taken from a reliable peer reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint.

Description of key information

Ethylene 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, Merck Handbook (O'Neil 2006), indicating that ethylene is a gas with a faint odour at standard temperature and pressure.