Benzene, 1-chloro-4-isocyanato-

• Formula: C₇H₄ClNO
• Molecular weight: 153.566
• IUPAC Standard InChI: InChI=1S/C7H4ClNO/c8-6-1-3-7(4-2-6)9-5-10/h1-4H Copy

  
• IUPAC Standard InChIKey: ADAKRBAJFHTIEW-UHFFFAOYSA-N Copy
• CAS Registry Number: 104-12-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Isocyanic acid, p-chlorophenyl ester; p-Chlorophenyl isocyanate; 1-Chloro-4-isocyanatobenzene; 4-Chlorophenyl isocyanate; para-Chlorophenyl isocyanate; 4-Chloro-iso-cyanatobenzene; p-Chlorfenylisokyanat; PCPI; NSC 76589; Phenylisocyanate, 4-chloro (Monuron decomposition product)
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
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Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

=  + 

By formula: C₉H₁₁ClN₂O = C₇H₄ClNO + C₂H₇N

=  + 

By formula: C₁₃H₁₀Cl₂N₂O = C₇H₄ClNO + C₆H₆ClN

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

Mass spectrum (electron ionization)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Zalikin, Kochetkov, et al., 1965
Zalikin, A.A.; Kochetkov, V.L.; Strepikheev, Yu.A., Some physical and physicochemical constants of m- and p-chloroaniline and of m- and p-chlorophenyl isocyanate, Khim. Prom. (Moscow), 1965, 41, 338. [all data]

Selivanov and Konstantinov, 1975
Selivanov, V.D.; Konstantinov, I.I., Thermochemistry of chloroaryl isocyanates, Russ. J. Phys. Chem. (Engl. Transl.), 1975, 49, 620-621. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Konstantinov, Zhuravlev, et al., 1967
Konstantinov, I.I.; Zhuravlev, E.Z.; Teplova, Z.G., Zh. Prikl. Khim., 1967, 40, 5, 1084. [all data]

Konstantinov, zhuravlev, et al., 1967
Konstantinov, I.I.; zhuravlev, E.Z.; Tenrova, Z.G., Some Physico-Chemical Properties of n-Chlorophenyl Isocyanate and 3,4-Dichlorophenylisocyanate, Zh. Prikl. Khim. (Moscow), 1967, 40, 1084-1087. [all data]

Chimishkyan, Svetlova, et al., 1984
Chimishkyan, A.L.; Svetlova, L.P.; Leonova, T.V.; Gluyaev, N.D., Thermal decomposition of substituted ureas, J. Gen. Chem. USSR, 1984, 54, 1317-1320. [all data]

Neijzen and DeLange, 1980
Neijzen, B.J.M.; DeLange, C.A., Photoelectron spectroscopy of some thiocyanates, isocyanates and isothiocyanates, J. Electron Spectrosc. Relat. Phenom., 1980, 18, 179. [all data]

Notes

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• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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