Registration Dossier

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Qualifier:
according to guideline
Guideline:
other: standard laboratory method
Type of method:
other: not specified
Specific details on test material used for the study:
Origin not known, purity typically >= 98 %
Key result
Melting / freezing pt.:
>= 15.4 - <= 15.5 °C
Atm. press.:
ca. 1 013 hPa
Decomposition:
no
Conclusions:
The melting point of methacrylic acid is reported to be 15.4 - 15.5 °C at normal pressure.
Executive summary:

In a reliable handbook the melting point of methacrylic acid is reported to be 15.4 - 15.5 °C at normal pressure.

Description of key information

The melting point of methacrylic acid is reported in a reliable handbook with 15.4 - 15.5 °C at normal pressure (Beilstein, 1976)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
15.5 °C

Additional information

Supporting information is available in additional handbooks which reported the melting point of methacrylic acid with 14 to 16 °C.