Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

4-anilinobenzenediazonium hydrogen sulphate appears as yellow orange powder.

The substance decomposes starting from temperature of 130 °C equivalent to 403 K without melting or boiling.

Relative density of the test substance is 1.512 at T= 20°C.

Its median mass diameter is 22.4 µm and its estimated vapour pressure is 7.32*10^-15 Pa at T= 25 °C.

The experimental logKow of 4-anilinobenzenediazonium hydrogen sulphate is 1.28 ± 0.96 at T=23 °C and at pH= 6.077. It is very soluble in water (21.24 g/l at T= 20 °C and at pH= 1.4).

Surface tension is not expected for this substance.

Flash point is waived based on solid nature of the test item.

4-anilinobenzenediazonium hydrogen sulphate is non flammable and it is non self-heating.

The substance is non explosive and it hasn't got oxidising properties.