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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: ISO 11357
GLP compliance:
no
Type of method:
differential scanning calorimetry
Melting / freezing pt.:
144.35 °C
Atm. press.:
ca. 1 013 hPa
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Qualifier:
no guideline followed
Principles of method if other than guideline:
Reaction product of stearic acid and ethane-1,2-diamine was crystallised from aqueous alcohol, melting point of resulting solid was determined, method not further specified.
GLP compliance:
no
Type of method:
other: method not specified
Melting / freezing pt.:
140 - 141 °C

Description of key information

144.35 °C (ISO 11357, DSC)

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
144.35 °C

Additional information