Registration Dossier

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
January 12, 2006 - January 16, 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report Date:
2006

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
yes
Type of method:
differential scanning calorimetry

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Specific details on test material used for the study:
Batch-No.: 05.9.9
Purity: 99.56% CuSCN
Storage conditions: Ambient temperature (10-30 °C), dry
Expiry date of the test item: May 20, 2007

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
>= 400 - <= 500 °C
Remarks on result:
other: No melting point at atmospheric pressure - decomposes before melting.

Any other information on results incl. tables

The DSC-run in an aluminium crucible with a hole showed no endothermic effect (melting) in the temperature range 25 - 600°C. An exothermal decomposition in the temperature range 400-500°C is observed.

Applicant's summary and conclusion

Conclusions:
The test item has no melting point at atmospheric pressure. The test item decomposes before the melting point.
Executive summary:

The test for melting point was conducted according to EU Method A.1 (Melting / Freezing Temperature) and OECD test guideline OECD 102 (Melting point/melting range). Differential Scanning Calorimetry (DSC) was the method used for the test. The study was conducted in accordance with the Principles of Good laboratory Practice (GLP). The results of the test showed that the test item had no melting point at atmospheric pressure, and the test item decomposed before the melting point.