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. Like decanoic acid, it has a distinctive, unpleasant odor.
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| Names | |
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| IUPAC name
Undecanoic acid | |
| Other names
Hendecanoic acid | |
| Identifiers | |
CAS Number |
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3D model (JSmol) |
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| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.003.604 |
| EC Number |
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IUPHAR/BPS |
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| KEGG | |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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InChI
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SMILES
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| Properties | |
Chemical formula |
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 | |
Dipole moment |
D |
| Hazards | |
| Main hazards | Corrosive |
| GHS pictograms |  |
| GHS Signal word | Warning |
GHS hazard statements |
H315, H319, H335 |
GHS precautionary statements |
P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501 |
| NFPA 704 (fire diamond) | 
2
3 |
| 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
- List of saturated fatty acids
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