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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ASTM E 537
Version / remarks:
Standard method for assessing the thermal stability of chemicals by methods of differential thermal analysis
Deviations:
no
GLP compliance:
yes
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Physical conditions: solid, gray/black flakes
Batch number: 160705
Expiration date: 2018-09-22
Storage: Room temperature
Melting / freezing pt.:
63 °C
Atm. press.:
1 013.25 mBar
Remarks on result:
other: Mean value, results measured at standard pressure

Results:

 No.  Sample mass [mg]  Melting point [°C]
 1 23.0  62.9
 2  19.0  63.2
 3  18.7  62.8
   Mean value  63.0
Conclusions:
The melting point to 1,8-naphthylendiamin was determined to be 63 °C.
Executive summary:

The melting point to 1,8 -naphthylendiamin was determined to be 63 °C (mean value) via differential scanning calorimetry. The test procedure was carried out according to Council Regulation (EC) No. 440/2008 A.1.

Description of key information

The melting point to 1,8 -naphthylendiamine was determined to be 63 °C (mean value) via differential scanning calorimetry. The test procedure was carried out according to Council Regulation (EC) No. 440/2008 A.1.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
63 °C

Additional information