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Physical & Chemical properties

Boiling point

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Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Japanese government peer-reviewed the documents, audited selected studies.
Qualifier:
according to
Guideline:
other: JIS (Japanese industrial standard) K2233-1984
Deviations:
no
Principles of method if other than guideline:
Unfortunately there is no more detailed information about the measurement of the boiling point. But the data provided meet generally accepted scientific principles and were already evaluated by international experts within the OECD-HPV programme (cf OECD SIDS Dossier Methacrylamide Mitsui Inc., Japan 2002).
GLP compliance:
not specified
Type of method:
other: JIS (Japanese industrial standard) K2233-1984
Specific details on test material used for the study:
WAKO Pure Chemicals Industries, Ltd. (Lot. PAL0299)
Purity: 99.3%
Key result
Boiling pt.:
225 °C
Atm. press.:
1 013 hPa
Remarks on result:
other: according to JIS (Japanese industrial standard) K2233-1984
Executive summary:

The boiling point of methacrylamide ist 225 ° C at 1013 hPa.

Endpoint:
boiling point
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted calculation method.
Guideline:
other: estimated by calculation (MPBPWIN v1.42 adapted Stein & Brown method)
Principles of method if other than guideline:
Calculated with MPBPWIN v1.42 adapted Stein & Brown method (basis of the calculation is the Smiles code: O=C (N) C (=C) C)
Type of method:
other: calculation
Specific details on test material used for the study:
SMILES structure: CC(=C)C(N)=O
Boiling pt.:
210.73 °C
Remarks on result:
other: at atmospheric pressure

Description of key information

The boiling point of methacrylamide is reported to be 225 °C at 1013 hPa (SIDS). This value is supported by a calculation with MPBPWIN (BP calculated: 210 °C).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
225 °C

Additional information