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Physical & Chemical properties

Boiling point

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Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study well documented, meets generally accepted scientific principles, acceptable for assessment
Reason / purpose:
reference to same study
Qualifier:
no guideline followed
Guideline:
other: obtained during vapor pressure experiement
Deviations:
not specified
Principles of method if other than guideline:
The boiling point was determined during distillation under a blanket of nitrogen during a vapor pressure experiement using an isoteniscope.
GLP compliance:
not specified
Type of method:
distillation method
Boiling pt.:
ca. 284 °C
Atm. press.:
ca. 760 mm Hg
Decomposition:
yes
Decomp. temp.:
ca. 185.3 °C
Remarks on result:
other: approximately 7 % decomposition

The 7 % decomposition noted during distillation as determined by solid distillate by sodium nitrate procedure.

Conclusions:
Boiling point of substance 284 C.
Endpoint:
boiling point
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Reliable literature
Boiling pt.:
130.2 °C
Atm. press.:
0.3 mm Hg
Boiling pt.:
150 °C
Atm. press.:
3 mm Hg
Boiling pt.:
167 °C
Atm. press.:
8 mm Hg
Boiling pt.:
284 °C
Atm. press.:
760 mm Hg
Conclusions:
Boiling point of p-aminophenol is 284 degree C at 760 mmHg.

Description of key information

Boiling point of substance 284 C at 760 mm Hg.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
284 °C

Additional information

There is one key study and one supporting study which are in agreement

Additional data points.

Boiling pt. Atm. pressure

130.2 °C 0.3 mm Hg

150 °C 3 mm Hg

167 °C 8 mm Hg

284 °C 760 mm Hg