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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:
2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes
Type of method:
other: Differential Thermal Analysis (DTA)/Differential Scanning Calorimetry (DSC)
Melting / freezing pt.:
218 - 227 °C
Decomposition:
yes
Decomp. temp.:
> 227
Remarks on result:
other: No pressure reported

The melting point is not reversible and the colour of the substance changed after this temperature which indicates that the product could start to decompose at this temperature.

Conclusions:
The melting point of 1,2-Propanediamine, N1-(2-aminoethyl)-3-(4-ethoxyphenyl)-, dihydrochloride, (2S)- was found to be between 218 and 227 °C.
Executive summary:

The melting point of1,2-Propanediamine, N1-(2-aminoethyl)-3-(4-ethoxyphenyl)-, dihydrochloride, (2S)- was tested according to OECD Guideline 102 in a DTA/DSC system with a heating rate of 1 K/min in crucible made of aluminium with perforated lid and no pressure was reported. The melting point of 1,2-Propanediamine, N1-(2-aminoethyl)-3-(4-ethoxyphenyl)-, dihydrochloride, (2S)- was found to be between 218 and 227 °C. The melting point was not reversible and the colour of the substance changed after this temperature which indicates that the product could start to decompose at this temperature.

Description of key information

The melting point of 1,2-Propanediamine, N1-(2-aminoethyl)-3-(4-ethoxyphenyl)-, dihydrochloride, (2S)- was found to be between 218 and 227 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
222.5 °C

Additional information

The melting point is not reversible and the colour of 1,2-Propanediamine, N1-(2-aminoethyl)-3-(4-ethoxyphenyl)-, dihydrochloride, (2S)- changed after this temperature which indicates that 1,2-Propanediamine, N1-(2-aminoethyl)-3-(4-ethoxyphenyl)-, dihydrochloride, (2S)- could start to decompose at this temperature.