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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
13 December 2017 - 13 February 2018
1 (reliable without restriction)
according to guideline
OECD Guideline 102 (Melting point / Melting Range)
according to guideline
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
GLP compliance:
yes (incl. QA statement)
Type of method:
thermal analysis
Data confirmed by photocell detection method according to EC 440/2008 Annex Part A test A1 an OECD test guideline 102
Key result
Decomp. temp.:
263 °C
The product, CAS 137-29-1 copper dimethyl dithicarbamate does not have a melting point as no thermal transition was detected. The lid of the DSC pan had popped off during the test. This was suspected to be gas release. However the sample appeared unchanged. This finding was confirmed when the substance melting point was attempted by photocell detection. The sample does not have a melting point but decomposes at 263C.
Executive summary:

The substance decomposes at 263C

Description of key information

Substance does not melt - decomposes at 263C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
263 °C

Additional information

Endothermic decomposition occured between 240 and 280C. This was confirmed by a screening DSC run. The sample appearance stayed the same. No melting was observed.