4-aminophenol

Boiling point

Link to relevant study record(s)

Reference

Reference 1

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 for cross-reference:

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.

Reference 2

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