CAS 112-38-9PubChem CID 5634
Undecylenic Acid
10-undecenoic acid is an undecenoic acid having its double bond in the 10-position. It is derived from castor oil and is used for the treatment of skin problems. It has a role as a plant metabolite and an antifungal drug. It is a conjugate acid of a 10-undecenoate. — ChEBI
- IUPAC name
- undec-10-enoic acid
- Molecular formula
- C11H20O2
- Molecular weight
- 184.27 g/mol
- Exact mass
- 184.146329876 Da
- XLogP3
- 3.9
- Topological polar surface area
- 37.3 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
10-UNDECENOIC ACID10-Hendecenoic acidRenselinDeclidSevinon10-Undecylenic acidundecylenateFEMA No. 3247
16 more reported names
Kyselina undecylenovaUNDECEN-10-ACID-1omega-undecenoic acidomega-hendecenoic acidNSC-2013K3D86KJ24NCHEBI:35045NSC2013DesinexMicocilenSanafitilTobcharmAntifungal PenHongo KillerRemedy NailsSally Hansen
External database identifiers
- ChEBI:CHEBI:35045
- ChEMBL:CHEMBL1276010
- EPA DTXSID:DTXSID8035001
- PubMed:26902505
- PubMed:26776224
- PubMed:22947450
- PubMed:22907042
- PubMed:22904206
- PubMed:22717557
- PubMed:22713167
- PubMed:22704888
- PubMed:22652355
- PubMed:22447430
- PubMed:22433058
- PubMed:22396902
Evidence from additional scientific databases
NIH PubChem PUG-View
Exact identifier match5634
Attributed physical-property, hazard, environmental and use annotations.
- Boiling Point: Decomposes at 275°C Source: DrugBank
- Boiling Point: 137.00 °C. @ 2.00 mm Hg Source: Human Metabolome Database (HMDB)
- Boiling Point: 275 °C Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Density: 0.910 - 0.917 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- LogP: 3.86 Source: Human Metabolome Database (HMDB)
- Melting Point: 24.5 Source: DrugBank
- Melting Point: 24.5 °C Source: Human Metabolome Database (HMDB)
- Physical Description: Liquid Source: EPA Chemical Data Reporting (CDR)
- Physical Description: Liquid or solid; mp = 24.5 deg C; [Merck Index] Colorless or white liquid or low-melting solid; mp = 25-27 deg C; [Alfa Aesar MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Physical Description: Solid Source: Human Metabolome Database (HMDB)
- Physical Description: colourless to pale yellow liquid Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Refractive Index: 1.446-1.453 Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: Insoluble Source: DrugBank
- Solubility: 0.0737 mg/mL at 30 °C Source: Human Metabolome Database (HMDB)
- Solubility: insoluble in water; soluble in alcohol and ether Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Solubility: (in ethanol) Source: Joint FAO/WHO Expert Committee on Food Additives (JECFA)
- Carcinogen Classification: No indication of carcinogenicity to humans (not listed by IARC). Source: Toxin and Toxin Target Database (T3DB)
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H400 (10.5%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]; H412 (96.2%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P391, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 1915 reports by companies from 16 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Cosmetic Ingredient Review Conclusion: The CIR Expert Panel concluded that the following ingredients are safe in the present practices of use andconcentration described in the safety assessment when formulated to be non-irritating and non-sensitizing, which may be basedon a QRA...Undecylenic Acid... Source: Cosmetic Ingredient Review (CIR)
- Cosmetic Ingredient Review Finding(s): Safe for use in cosmetics, with qualifications Source: Cosmetic Ingredient Review (CIR)
- Industry Uses: Intermediate Source: EPA Chemical Data Reporting (CDR)
- Cosmetic Ingredient Review Link: CIR ingredient: Undecylenic Acid Source: Cosmetic Ingredient Review (CIR)
- Sources/Uses: Used as a topical antifungal agent; [Merck Index] Used as a flavoring agent for foods; [JECFA] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.