| Name | Undecanoic acid |
| Synonyms | FEMA 3245 AKOS 212-94 Undecanoic acid HENDECANOIC ACID HENEDECANOIC ACID N-HENDECANOIC ACID RARECHEM AL BO 0155 CARBOXYLIC ACID C11 1-Decanecarboxylic acid |
| CAS | 112-37-8 |
| EINECS | 203-964-2 |
| InChI | InChI=1/C11H22O2/c1-2-3-4-5-6-7-8-9-10-11(12)13/h2-10H2,1H3,(H,12,13) |
| InChIKey | ZDPHROOEEOARMN-UHFFFAOYSA-N |
| Molecular Formula | C11H22O2 |
| Molar Mass | 186.29 |
| Density | 0.89 g/cm3 (20℃) |
| Melting Point | 28-31°C(lit.) |
| Boling Point | 228°C160mm Hg(lit.) |
| Flash Point | >230°F |
| JECFA Number | 108 |
| Water Solubility | insoluble |
| Solubility | Insoluble in water, soluble in ethanol and ether. |
| Vapor Presure | 0.00151mmHg at 25°C |
| Appearance | Colorless to light yellow liquid or solid |
| Specific Gravity | 0.9948 |
| Color | White to pale yellow |
| BRN | 1759287 |
| pKa | 4.79±0.10(Predicted) |
| Storage Condition | room temp |
| Explosive Limit | 0.6%(V) |
| Refractive Index | 1.4202 |
| MDL | MFCD00002730 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 1 |
| RTECS | YQ2275000 |
| TSCA | Yes |
| HS Code | 29159080 |
| Hazard Note | Irritant |
| FEMA | 3245 | UNDECANOIC ACID |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | GRAS(FEMA). |
| use limit | FEMA baked goods 2.0 mg/kg. |
| biological activity | Undecanoic acid (Undecanoate) is a monocarboxylic acid with antifungal effect, which can inhibit the production of extracellular keratinase and lipase of Trichophyton and the biosynthesis of various phospholipids. |