Benzamide

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Benzamide
Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name
Benzamide[1]
Systematic IUPAC name
Benzenecarboxamide
Other names
Benzoic acid amide
Phenyl carboxamide
Benzoylamide
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.207
EC Number 200-227-7
KEGG
RTECS number CU8700000
UNII
Properties
C7H7NO
Molar mass 121.139 g·mol−1
Appearance Off-white solid
Density 1.341 g/cm3
Melting point 127 to 130 °C (261 to 266 °F; 400 to 403 K)
Boiling point 288 °C (550 °F; 561 K)
13 g/l
Acidity (pKa)
  • approx. 13 (H2O)[2]
  • 23.3 (DMSO)[3]
-72.3·10−6 cm3/mol
Pharmacology
N05AL (WHO)
Hazards
Harmful (Xn)
R-phrases (outdated) R22 R40
S-phrases (outdated) S36/37/39
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilHealth code 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
1
1
0
Flash point 180 °C (356 °F; 453 K)
> 500 °C (932 °F; 773 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Benzamide is an white solid with the chemical formula of C6H5C(O)NH2. It is the simplest amide derivative of benzoic acid. It is slightly soluble in water, and soluble in many organic solvents. A number of substituted benzamides exist.

See also[edit]

References[edit]

  1. ^ Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 841. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
  2. ^ Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. pp. 5–89. ISBN 978-1498754286.
  3. ^ Bordwell, Frederick G.; Ji, Guo Zhen (October 1991). "Effects of structural changes on acidities and homolytic bond dissociation energies of the hydrogen-nitrogen bonds in amidines, carboxamides, and thiocarboxamides". Journal of the American Chemical Society. 113 (22): 8398–8401. doi:10.1021/ja00022a029.

External links[edit]