Compound Information 

Name: 4-hydroxybenzenamine
Formula: C6H7NO
Molar Mass: 109.128
Additional Names: p-aminophenol
4-hydroxyphenylamine
4-hydroxyaniline
4-aminophenol
phenol, p-amino-
phenol, 4-amino-
4-hydroxy-1-aminobenzene
4-amino-1-hydroxybenzene
1-amino-4-hydroxybenzene
p-hydroxyaniline
p-hydroxyphenylamine
Image of 4-hydroxybenzenamine
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Property Availability 

For this compound, WTT contains critically evaluated recommendations for:

  • Triple point temperature (Crystal 1, Liquid, and Gas)
    5 experimental data points
    • Normal boiling temperature (Liquid and Gas)
      • Critical temperature (Liquid and Gas)
        • Critical pressure (Liquid and Gas)
          • Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure
            Pressure from 3.39837 kPa to 2369.33 kPa
            • Phase boundary pressure
              • Phase boundary pressure (Crystal 1 in equilibrium with Gas) as a function of Temperature
                Temperature from 417.983 K to 459.3 K
                11 experimental data points
              • Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature
                Temperature from 459.3 K to 771 K
                1 experimental data points
            • Critical density (Liquid and Gas)
              • Density
                • Density (Liquid in equilibrium with Gas) as a function of Temperature
                  Temperature from 459.3 K to 771 K
                • Density (Gas) as a function of Temperature and Pressure
                  Temperature from 380 K to 759 K
                  Pressure from 0.0002 kPa to 208.687 kPa
                • Density (Gas in equilibrium with Liquid) as a function of Temperature
                  Temperature from 616.929 K to 771 K
              • Enthalpy of phase transition (Crystal 1 to Liquid in equilibrium with Gas)
                1 experimental data points
                • Enthalpy of vaporization or sublimation
                  • Enthalpy of vaporization or sublimation (Liquid to Gas) as a function of Temperature
                    Temperature from 459.3 K to 771 K
                  • Enthalpy of vaporization or sublimation (Crystal 1 to Gas) as a function of Temperature
                    Temperature from 417.983 K to 459.3 K
                • Heat capacity at constant pressure (Ideal Gas) as a function of Temperature
                  Temperature from 200 K to 1000 K
                  • Enthalpy (Ideal Gas) as a function of Temperature
                    Temperature from 200 K to 1000 K
                    • Viscosity
                      • Viscosity (Gas) as a function of Temperature and Pressure
                        Temperature from 560 K to 1150 K
                      • Viscosity (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 460 K to 770 K
                    • Thermal conductivity
                      • Thermal conductivity (Gas) as a function of Temperature and Pressure
                        Temperature from 560 K to 1150 K
                      • Thermal conductivity (Liquid in equilibrium with Gas) as a function of Temperature
                        Temperature from 460 K to 690 K

                    About WTT 

                    NIST/TRC Web Thermo Tables (WTT)
                    NIST Standard Reference Subscription Database 3 - Professional Edition
                    Version 2-2012-1-Pro

                    This web application provides access to a collection of critically evaluated thermodynamic property data for pure compounds with a primary focus on organics. These data were generated through dynamic data analysis, as implemented in the NIST ThermoData Engine software package [1, 2, 3, 4, 5, 6]. Some critically evaluated data from the historical TRC Thermodynamic Tables archive [7, 8] are included, also. As of May 2012, the Professional Edition contains information on 28432 compounds and total of 531486 evaluated data points. The properties covered by both versions (32 total) are described in Properties and Implemented Models.

                    Developed by Kenneth Kroenlein, Chris D. Muzny, Andrei F. Kazakov, Vladimir Diky, Robert D. Chirico, Joseph W. Magee, Ilmutdin Abdulagatov and Michael Frenkel.

                    Thermodynamics Research Center (TRC)
                    Thermophysical Properties Division
                    National Institute of Standards and Technology
                    Boulder CO 80305-3337

                    Questions and comments should be addressed to Dr. Michael Frenkel .

                    DISCLAIMER: The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high-quality copy of the database and to verify that the methods and data contained therein have been selected on the basis of sound scientific judgement. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the program and database.

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                    Standard Reference Data Program
                    National Institute of Standards and Technology
                    Gaithersburg MD 20899

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