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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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boiling point
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
according to guideline
EU Method A.2 (Boiling Temperature)
not specified
GLP compliance:
not specified
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Lot. 703204
Key result
Decomp. temp.:
> 295 °C
Remarks on result:
other: Two determinations with 294 °C and 297 °C, atmospheric pressure not provided

The decomposition was observed at following temperatures:


Sample 1     T > 294 °C

Sample 2     T > 297 °C

The overall decomposition temperature was reported to be > 295°C.

decomposition before boiling
decomposition: at a temperature of > 295°C
Executive summary:

Since Fenuron decomposes at > 295°C before reaching the boiling point, a boiling point could not be determined.

Description of key information

decomposition before boiling

decomposition: at a temperature of > 295°C

Key value for chemical safety assessment

Additional information