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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: well performed study according to acknowledged standard
Qualifier:
according to guideline
Guideline:
other: company SOP
Principles of method if other than guideline:
Differential scanning calorimetry (DSC)
GLP compliance:
no
Type of method:
thermal analysis
Melting / freezing pt.:
°C
Atm. press.:
ca. 1 atm
Decomposition:
yes
Decomp. temp.:
ca. 257 °C
Sublimation:
no
Remarks on result:
other: decomp.before melting; decomp.exotermic energy of 109 J/g

An exothermic decomposition starts at 257°C. The decomposition energy is 109 J/g.

Conclusions:
Decomposition at 257°C before melting.
Executive summary:

The decompostion at 257°C founded by DSC.

Description of key information

DSC

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
257 °C

Additional information