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EC number: 201-204-4 | CAS number: 79-41-4
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- 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.
Reference
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.
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