Benzocaine
- Formula: C9H11NO2
- Molecular weight: 165.1891
- IUPAC Standard InChIKey: BLFLLBZGZJTVJG-UHFFFAOYSA-N
- CAS Registry Number: 94-09-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Benzoic acid, 4-amino-, ethyl ester; Benzoic acid, p-amino-, ethyl ester; p-(Ethoxycarbonyl)aniline; p-Aminobenzoic acid, ethyl ester; p-Carbethoxyaniline; p-Ethoxycarboxylic aniline; Amben ethyl ester; Anaesthan-syngala; Anaesthesin; Anaesthin; Anestezin; Anesthesin; Anesthesine; Anesthone; Ethyl aminobenzoate; Ethyl p-aminobenzoate; Ethyl p-aminophenylcarboxylate; Ethyl 4-aminobenzoate; Identhesin; Keloform; Norcain; Norcaine; Ora-jel; Orthesin; Parathesin; Parathesine; Solu H; 4-(Ethoxycarbonyl)aniline; 4-Aminobenzoic acid, ethyl ester; 4-Carbethoxyaniline; Americaine; Dermoplast; Ethoform; Hurricaine; Solarcaine; Topcaine; Ethylester kyseliny p-aminobenzoove; Aethoform; Baby Anbesol; Anbesol; Auralgan; Cough-X; Outgro; Vagisil; component of Anbesol maximum strength; component of Solarcaine aerosol; component of Tympagesic; 71123-91-6
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°solid | -4694.9 ± 0.8 | kJ/mol | Ccb | Sullivan and Hunt, 1949 | |
ΔcH°solid | -4697.8 ± 0.8 | kJ/mol | Ccb | Sullivan, Kibler, et al., 1948 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References, Notes
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 360. ± 10. | K | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
24.6 | 362.6 | DSC | Wassvik, Holmén, et al., 2008 | AC |
23.56 | 362.8 | N/A | Acree, 1991 | AC |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- SOLID (1 mg / 650 mg KBr DISC); PERKIN-ELMER 521 (GRATING); 2 cm-1 resolution
- SOLID (1.14 mg / 200 mg KBr DISC); PERKIN-ELMER 21 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (10% CCl4 FOR 5000-1330, 10% CS2 FOR 1330-625 CM-1); Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (3% CCl4); PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References, Notes
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
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Tox21 Consortium/NIST Mass Spectrometry Data Center, 2012 |
NIST MS number | 408497 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.
Sullivan and Hunt, 1949
Sullivan, M.V.; Hunt, H.,
Heats of combustion. IV. The heats of combustion of five aromatic amines,
J. Phys. Chem., 1949, 53, 497-500. [all data]
Sullivan, Kibler, et al., 1948
Sullivan, M.V.; Kibler, G.M.; Hunt, H.,
Heats of combustion of nitrogen containing compounds, Rpt. Tech. Memo. PUR-3 for USN Project SQUID Contract N6ori-104, Task Order No. 1 Designation No. NR 22 042 by Purdue University, Lafayette, IN, 1948, 1-46. [all data]
Wassvik, Holmén, et al., 2008
Wassvik, Carola M.; Holmén, Anders G.; Draheim, Rieke; Artursson, Per; Bergström, Christel A.S.,
Molecular Characteristics for Solid-State Limited Solubility,
J. Med. Chem., 2008, 51, 10, 3035-3039, https://doi.org/10.1021/jm701587d
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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