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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Vapour pressure

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Description of key information

The vapour pressure of 1-hexyl-1H-pyrazol-4,5 diamine hemisulfate could not be determined (OECD 104). The test substance, being in an ionic form, would not be expected to have a detectable vapor pressure.

Key value for chemical safety assessment

Additional information

The vapour pressure of 1-hexyl-1H-pyrazol-4,5 diamine hemisulfate was determined according to the OECD 104 guideline and following the GLP.

Vapour pressure of the test material was determined by the gas saturation method.

The extrapolated vapor pressure of C6 Pyrazole Hemisulfate could not be determined. The test substance, being in an ionic form, would not be expected to have a detectable vapor pressure.