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Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04 Decemeber 2017 - 05 December 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other:
Remarks:
The appearance of the test item is described in a reliable GLP study report on the physical-chemical properties of the substance. Since no guideline was followed and no details on the methods are given, the description is considered as reliable with restrictions.
Cross-reference
Reason / purpose for cross-reference:
reference to other study
Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
04 Decemeber 2017 - 05 December 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
1995
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Key result
Melting / freezing pt.:
144 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: Pressure is not reported

First test results

The heat flow record showed an endothermic effect between 116 °C and 154 °C, with peak at 147 °C and onset at 143 °C. The melting point is 143 °C.

 

Second test results

The heat flow record showed an endothermic effect between 114 °C and 153 °C, with peak at 147 °C and onset at 145 °C. The melting point is 145 °C.

 

Conclusion

The melting temperature of the test item is 144 °C (the mean of two measurements).

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
Visual inspection

Test material

Constituent 1
Chemical structure
Reference substance name:
2-phenylimidazole
EC Number:
211-581-7
EC Name:
2-phenylimidazole
Cas Number:
670-96-2
Molecular formula:
C9H8N2
IUPAC Name:
2-phenylimidazole
Test material form:
solid: flakes

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Key result
Form:
solid: flakes
Colour:
Light pink or light yellow
Odour:
odourless
Substance type:
organic

Applicant's summary and conclusion