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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

boiling point
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Data comes from peer-reviewed handbooks cited among "reference books containing peer-reviewed physico-chemical data" in the ECHA guidance document on information requirements and chemical safety assessment (R.7a).
Reason / purpose for cross-reference:
reference to same study
no guideline available
Principles of method if other than guideline:
no data
GLP compliance:
not specified
Type of method:
other: not specified
Boiling pt.:
245.5 °C
Atm. press.:
1 013 hPa
Remarks on result:
other: Sublimation, vapour elimination.
Boiling pt.:
245 °C
Atm. press.:
1 000 hPa
Remarks on result:
other: Data from Safety assessment (1986)
Catechol presents a boiling point equal to 245.5°C at ambient pressure.
Executive summary:

Several peer-reviewed handbooks reported a boiling point equal to 245.5°c at ambient pressure for catechol.

Description of key information

245°C at 1000 hPa to 245.5°C at 1013 hPa.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
245.5 °C

Additional information

A similar value is reported in several peer-reviewed handbooks. These handbooks were grouped in only one endpoint study record which was flagged as a key study.