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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
data from handbook or collection of data
equivalent or similar to guideline
other: standard laboratory method
Version / remarks:
Handbook data
not specified
Principles of method if other than guideline:
Measured according standard laboratory method
GLP compliance:
not specified
Type of method:
other: not specified
Specific details on test material used for the study:
Origin not known, purity typically >= 98 %
Key result
Boiling pt.:
162 °C
Atm. press.:
ca. 1 013 hPa
Remarks on result:
159-163 °C (reported)
A reliable handbook value of 159-163 C at 1013 hPa is available.
Executive summary:

A reliable handbook value of 159-163 C at 1013 hPa is available.

Description of key information

The boiling point of methacrylic acid is reported in a reliable handbook with 162 °C at normal pressure of ca.1013 hPa (Kirk-Othmer, 1981).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
162 °C

Additional information

Supporting information is available in additional handbooks which reported the boiling point of methacrylic acid with 161 to 163 °C.