Benzocaine

• Formula: C₉H₁₁NO₂
• Molecular weight: 165.1891
• IUPAC Standard InChI: InChI=1S/C9H11NO2/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6H,2,10H2,1H3 Copy

  
• IUPAC Standard InChIKey: BLFLLBZGZJTVJG-UHFFFAOYSA-N Copy
• 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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Condensed phase thermochemistry data

Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, 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

Phase change data

Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Gas Chromatography, 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

Enthalpy of fusion

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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

• gas; HP-GC/MS/IRD

Gas Chromatography

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

Kovats' RI, non-polar column, isothermal

View large format table.

Kovats' RI, non-polar column, temperature ramp

View large format table.

Kovats' RI, non-polar column, custom temperature program

View large format table.

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Van Den Dool and Kratz RI, non-polar column, custom temperature program

View large format table.

Normal alkane RI, non-polar column, isothermal

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Normal alkane RI, non-polar column, custom temperature program

View large format table.

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Gas Chromatography, 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]

Lenchik, Rudenko, et al., 1986
Lenchik, N.V.; Rudenko, B.A.; Dzhabarov, D.N., Gas chromatographic analysis of nitrogen-containing pharmaceticals using a thermoaerosol detector and non-porous sorbents, Zh. Anal. Khim., 1986, 1438-1443. [all data]

Schepers, Wijsbeek, et al., 1982
Schepers, P.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A., Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indices, J. Forensic Sci., 1982, 27, 1, 49-60. [all data]

McLinden and Stenhouse, 1979
McLinden, V.J.; Stenhouse, A.M., A chromatography system for drug identification, Forensic Sci. Int., 1979, 13, 71-79, https://doi.org/10.1016/0379-0738(79)90265-2 . [all data]

Oyama, Sano, et al., 1987
Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K., Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices, Eisei Kagaku, 1987, 33, 5, 342-348, https://doi.org/10.1248/jhs1956.33.342 . [all data]

Perrigo, Peel, et al., 1985
Perrigo, B.J.; Peel, H.W.; Ballantyne, D.J., Use of Dual-Column Fused-Silica Capillary Gas Chromatography in Combination with Detector Response Factors for Analytical Toxicology., J. Chromatogr., 1985, 341, 81-88, https://doi.org/10.1016/S0378-4347(00)84011-6 . [all data]

Perrigo, Ballantyne, et al., 1984
Perrigo, B.J.; Ballantyne, D.J.; Peel, H.W., Condierations in developing a data base for drugs on a DBI capillary column, J. Can. Soc. Forensic Sci., 1984, 17, 2, 41-49, https://doi.org/10.1080/00085030.1984.10757360 . [all data]

Anderson and Stafford, 1983
Anderson, W.H.; Stafford, D.T., Applications of capillary gas chromatography in routine toxicological analyses, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 5, 247-254, https://doi.org/10.1002/jhrc.1240060506 . [all data]

Perrigo and Peel, 1981
Perrigo, B.J.; Peel, H.W., The use of retention indices and temperature-programmed gas chromatography in analytical toxicology, J. Chromatogr. Sci., 1981, 19, 5, 219-226, https://doi.org/10.1093/chromsci/19.5.219 . [all data]

University Centre for Pharmacy, 2003
University Centre for Pharmacy, University of Groninger, Systematic toxicological analysis, 2003, retrieved from http://www.farm.rug.nl/InterACT/wijopnet.html. [all data]

von Buchi, Lorini, et al., 1972
von Buchi, J.; Lorini, V.; Perlia, X., Gaschromatographische Untersuchung einiger homologer Reihen von Lokalanaesthetica, Pharm. Acta Helv., 1972, 47, 65, 377-393. [all data]

MHA, 9999
MHA, Directorate of ForensicScience., Forensic Toxicology, 9999. [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Bogusz, Wijsbeek, et al., 1983
Bogusz, M.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A., Applicability of capillary gas chromatography to systematic toxicological analysis: occurence of concentration-dependent retention behavior, J. Analyt. Toxicol., 1983, 7, 4, 188-192, https://doi.org/10.1093/jat/7.4.188 . [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Gas Chromatography, 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
• 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 data contained therein have been selected on the basis of sound scientific judgment. 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 Database.
• Customer support for NIST Standard Reference Data products.