Undecylic acid

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
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
Main hazards Corrosive
GHS pictograms
GHS signal word Warning
H315, H319, H335
P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
NFPA 704
Flammability code 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g., diesel fuelHealth code 3: Short exposure could cause serious temporary or residual injury. E.g., chlorine gasReactivity (yellow): no hazard codeSpecial hazards (white): no codeNFPA 704 four-colored 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

Undecylic acid (systematically named undecanoic acid) is a naturally occurring 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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