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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Description of key information

1,2,4-Triazole decomposed before boiling at 260°C and under an atmospheric pressure of 1013 hPa (corresponding to 533.15 K at 101325 Pa).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
533.15 K

Additional information

Information regarding boiling point of 1,2,4-triazole was sourced from various handbooks or review articles including Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (14th Edition) and CRC Handbook of Chemistry and Physics (58 and 91th Ed.), which used primary and peer-reviewed sources. 1,2,4-Triazole decomposed before boiling at 260°C and under an atmospheric pressure of 1013 hPa (corresponding to 533.15 K at 101325 Pa).