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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: according to valid method (DSC)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: national standard (VDI 2263)
Principles of method if other than guideline:
Differential Scanning Calorimetry (DSC)
GLP compliance:
not specified
Type of method:
thermal analysis

Test material

Constituent 1
Chemical structure
Reference substance name:
p-aminobenzamide
EC Number:
220-612-3
EC Name:
p-aminobenzamide
Cas Number:
2835-68-9
Molecular formula:
C7H8N2O
IUPAC Name:
4-aminobenzamide

Results and discussion

Melting / freezing point
Melting / freezing pt.:
181 °C
Atm. press.:
ca. 1 atm
Decomposition:
yes
Decomp. temp.:
>= 332 °C
Remarks on result:
other: The substance begins to evaporate at 283°C. An exothermic decomposition starts at 332°C. Because of the overlap of endothermic and exothermic processes the energy measured for the exothermic process (106 J/g) is less than the true decomposition energy.

Applicant's summary and conclusion

Conclusions:
The tested melting point is 181°C.
Executive summary:

The melting point was determined using a Differential Scanning Calorimeter.