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Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27 Nov 2008 - 02 Feb 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Cross-reference
Reason / purpose for cross-reference:
reference to other study
Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27 Nov 2008 - 02 Feb 2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given (comparable to guidelines/standards)
Reason / purpose for cross-reference:
reference to other study
Qualifier:
no guideline required
Principles of method if other than guideline:
Visual inspection during melting point measurement.
GLP compliance:
no
Physical state at 20°C and 1013 hPa:
liquid
Form:
liquid
Colour:
clear colourless
Substance type:
organic

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
no
Type of method:
differential scanning calorimetry

Test material

Constituent 1
Chemical structure
Reference substance name:
Vinyl benzoate
EC Number:
212-214-3
EC Name:
Vinyl benzoate
Cas Number:
769-78-8
Molecular formula:
C9H8O2
IUPAC Name:
vinyl benzoate

Results and discussion

Melting / freezing point
Melting / freezing pt.:
-35.1 °C
Atm. press.:
1 013 hPa

Any other information on results incl. tables

Results
Two measurements showed an endothermic effect in the range of -45 to -10 °C with an onset temperature of ca. -35 °C.

Table 1 - DSC results

Onset [°C]

Temperature range [°C]

-34.97

-45 to -10

-35.19

-45 to -10

 

Conclusion: The mean melting point is -35.1 °C.

Applicant's summary and conclusion