Undecylic acid

Undecylic acid (systematically named undecanoic acid) is a carboxylic acid with chemical formula CH3(CH2)9COOH. It is often used as an antifungal agent, to treat ringworm and athlete's foot, for example.[1] Like decanoic acid, it has a distinctive, unpleasant odor.

Undecylic acid
Names
IUPAC name
Undecanoic acid
Other names
Hendecanoic acid
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.604
EC Number
  • 203-964-2
KEGG
UNII
  • InChI=1S/C11H22O2/c1-2-3-4-5-6-7-8-9-10-11(12)13/h2-10H2,1H3,(H,12,13) checkY
    Key: ZDPHROOEEOARMN-UHFFFAOYSA-N checkY
  • O=C(O)CCCCCCCCCC
Properties
C11H22O2
Molar mass 186.29 g/mol
Appearance Colourless crystals
Density 0.89 g/cm3
Melting point 28.6 °C (83.5 °F; 301.8 K)
Boiling point 284 °C (543 °F; 557 K)
Viscosity mPa·s
Structure
D
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Corrosive
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond
3
2
Flash point 113 °C (235 °F; 386 K)
Related compounds
Related fatty acids
 Decanoic acid, Lauric acid
Related compounds
 Undecanol
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

See also

References
  1. Voicu, Raluca; Boukherroub, Rabah; Bartzoka, Vasiliki; Ward, Tim; Wojtyk, James T. C.; Wayner, Danial D. M. (2004-12-21). "Formation, characterization, and chemistry of undecanoic acid-terminated silicon surfaces: patterning and immobilization of DNA". Langmuir: The ACS Journal of Surfaces and Colloids. 20 (26): 11713–11720. doi:10.1021/la047886v. ISSN 0743-7463. PMID 15595802.
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