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Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
21-08-2017 – 21-08-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
The melting point determination of N,N-diethyl-p-(phenylazo)aniline (CAS No. 2481-94-9) was done following OECD Guideline 102 and according to the metal block capillary method.
GLP compliance:
not specified
Type of method:
other: standard laboratory method
Specific details on test material used for the study:
- Name of test material: 4-(Diethylamino)azobenzene ; N,N-diethyl-p-(phenylazo)aniline
- Molecular formula: C16H19N3
- Molecular weight: 253.347 g/mol
- Smiles notation: c1(N(CC)CC)ccc(\N=N\c2ccccc2)cc1
- InChl: 1S/C16H19N3/c1-3-19(4-2)16-12-10-15(11-13-16)18-17-14-8-6-5-7-9-14/h5-13H,3-4H2,1-2H3/b18-17+
- Substance type: Organic
- Physical state: Solid
Key result
Melting / freezing pt.:
> 92 - <= 95.5 °C
Atm. press.:
966.73 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: other details not available
Conclusions:
The melting point determination of N,N-diethyl-p-(phenylazo)aniline (CAS No. 2481-94-9) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean Melting Temperature Range was determine to be 92-95.5°C at 966.73 hPa.
Executive summary:

The melting point determination of Test item N,N-diethyl-p-(phenylazo)aniline (CAS No. 2481-94-9 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean Melting Temperature Range was determine to be 92 -95.5°C at 966.73 hPa.

Description of key information

The melting point determination of N,N-diethyl-p-(phenylazo)aniline (CAS No. 2481-94-9) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean Melting Temperature Range was determine to be 92-95.5°C at 966.73 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
92 °C

Additional information

The melting point determination of Test item N,N-diethyl-p-(phenylazo)aniline (CAS No. 2481-94-9 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean Melting Temperature Range was determine to be 92 -95.5°C at 966.73 hPa.

From other reliable sources it is concluded that melting point of N,N-diethyl-p-(phenylazo)aniline is in the range of 97 to 98 Deg C.

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