Registration Dossier
Registration Dossier
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EC number: 204-616-2 | CAS number: 123-30-8
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1954
- 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:
- Deviations:
- not specified
- Principles of method if other than guideline:
- Vapor pressure determined on a sublimed sample of p-aminophenol in an isoteniscope at temperatures from 130 to 186 degree C.
- GLP compliance:
- not specified
- Type of method:
- isoteniscope
- Temp.:
- 25 °C
- Vapour pressure:
- 0 mm Hg
- Remarks on result:
- other: extrapolated from higher temperature data points
- Conclusions:
- Vapor pressure is 4 x 10 (-5) mg Hg at 25 degree C
Reference
Temperature, C pressure, mm hg
130.2 0.3
143 2.3
145 2.2
150 3.0
151.1 3.2
157.5 4.7
159.6 5.1
167 8.0
171.1 9.9
176.5 14.9
186.3 26.7
284 760
Description of key information
0.0053 Pa at 25C (0.00004 mm HG)
Key value for chemical safety assessment
- Vapour pressure:
- 0.005 Pa
- at the temperature of:
- 25 °C
Additional information
Value reported in key study in mm hg. Converted from mm Hg to Pascal which results in 0.0053 Pa.
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