Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14/11/2017-16/11/2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
1995
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
GLP compliance:
yes (incl. certificate)
Type of method:
differential scanning calorimetry
Remarks:
results confirmed by capillary method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent
Type:
impurity
Test material form:
solid: bulk
Specific details on test material used for the study:
batch number: C000344287
appearance: dark grey powder

Results and discussion

Melting / freezing point
Key result
Melting / freezing pt.:
> 500 °C
Atm. press.:
1 026 hPa

Applicant's summary and conclusion

Conclusions:
The test item ZrO has no melting point up to 500 °C at atmospheric pressure (1026 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
Executive summary:

The objective of this study was the determination of the melting temperature of the test item according to

·           Regulation EC No. 440/2008 Method A.1. Melting/Freezing Temperature

·           OECD Test Guideline 102 (1995) Melting Point / Melting Range

The test item ZrO has no melting point up to 500 °C at atmospheric pressure (1026 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.1. and OECD Test Guideline 102 (1995).