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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
22.12.2005-15.12.2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study. No GLP
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
EU Method A.1 (Melting / Freezing Temperature) (December 1992) no
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
(adopted 27th July 1995)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
-75 °C
Atm. press.:
1 021 hPa

The DSC measurements were performed twice, one run for the lower temperature range on the

power compensation DSC and one for the higher temperature range on the heat flux DSC, using a

crucible with a perforated lid.

The DSC-curve shows an exothermic enthalpy change due to cold crystallization followed byan

endothermic melting peak with peak maximum at -74°C. The extrapolated onset temperature

was determined to -75°C.

Conclusions:
The melting point of Allyl methacrylate is reported to be -75 °C at 1021 hPa (determined according to OECD guideline 102, adopted 27th July 1995, and EU Method A.1, December 1992; differential scanning calorimetry).
Executive summary:

The melting point of Allyl methacrylate is reported to be -75 °C at 1021 hPa (determined according to OECD guideline 102, adopted 27th July 1995, and EU Method A.1, December 1992; differential scanning calorimetry).

NOTE: Any of data in this dataset are disseminated by the European Union on a right-to-know basis and this is not a publication in the same sense as a book or an article in a journal. The right of ownership in any part of this information is reserved by the data owner(s). The use of this information for any other, e.g. commercial purpose is strictly reserved to the data owners and those persons or legal entities having paid the respective access fee for the intended purpose.

Description of key information

The melting point of Allyl methacrylate reported to be -75°C at 1021 hPa (OECD guideline 102/EU Method A.1; differential scanning calorimetry).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-75 °C

Additional information