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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Density

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Description of key information

The density of 1,2,4-triazole was reported to be 1.13 g/cm3 (1130 g/L) at 153°C and 1.39 g/cm3 at 20°C

Key value for chemical safety assessment

Relative density at 20C:
1.39

Additional information

Information regarding density of 1,2,4-triazole was sourced from primary and peer-reviewed sources including CRC Handbook of Chemistry and Physics (81st Ed.), from secondary sources including several journal articles or review articles, or was calculated using Advanced Chemistry Development (ACD/Labs) Software V8.14. Information obtained from secondary sources are not considered valid, and thus, were not included in this summary. Based on the information from primary sources, density of 1,2,4-triazole was reported to be 1.13 g/cm3 (1130 g/L) at 153°C and 1.39 g/cm3 at 20°C