十一烯酸

Description

10-Undecenoic acid is identified by CAS 112-38-9, molecular formula C11H20O2 and molecular weight 184.15 g/mol. UNII K3D86KJ24N; ChEBI 35045; InChIKey FRPZMMHWLSIFAZ-UHFFFAOYSA-N. Boiling Point: Decomposes at 275°C; Boiling Point: 137.00 °C. @ 2.00 mm Hg; Boiling Point: 275 °C.

Identification

CAS Registry Number	112-38-9
PubChem CID	5634
Molecular formula	C11H20O2
Molecular weight	184.15 g/mol
IUPAC name	undec-10-enoic acid
InChIKey	FRPZMMHWLSIFAZ-UHFFFAOYSA-N
UNII (FDA)	K3D86KJ24N
ChEBI ID	CHEBI:35045
ATC code (WHO)	D01AE04
FEMA number	3247
JECFA number	331

Computed Descriptors

Molecular Weight	184.27
XLogP3	3.9
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	9
Exact Mass	184.146329876
Monoisotopic Mass	184.146329876
Topological Polar Surface Area	37.3
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	Decomposes at 275°C
Boiling Point	137.00 °C. @ 2.00 mm Hg
Boiling Point	275 °C
Melting Point	24.5
Melting Point	24.5 °C
Solubility	0.0737 mg/mL at 30 °C
Density	0.910 - 0.917
LogP	3.86
Refractive Index	1.446-1.453

Physical description & handling notes

• Liquid
• 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]
• Solid
• colourless to pale yellow liquid
• Insoluble
• insoluble in water; soluble in alcohol and ether

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Floral Not considered

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H400 (10.5%), H412 (96.2%)

Documented Uses

• CIR ingredient: Undecylenic Acid
• Used as a topical antifungal agent; [Merck Index] Used as a flavoring agent for foods; [JECFA]
• EPA Safer Chemical Functional Use Classes -> Preservatives and Antioxidants
• Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class, but has some hazard profile issues
• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index

Synonyms

undecylenic acid; 10-UNDECENOIC ACID; Undec-10-enoic acid; 112-38-9; 10-Hendecenoic acid; Renselin; Declid; Sevinon; 10-Undecylenic acid; undecylenate; FEMA No. 3247; Kyselina undecylenova; UNDECEN-10-ACID-1; omega-undecenoic acid; omega-hendecenoic acid; DTXSID8035001

Frequently Asked Questions

What are the CAS number and molecular formula of 10-Undecenoic acid?

CAS 112-38-9; molecular formula C11H20O2; molecular weight 184.15 g/mol.

What other names is 10-Undecenoic acid known by?

undecylenic acid, 10-UNDECENOIC ACID, Undec-10-enoic acid, 112-38-9, 10-Hendecenoic acid, Renselin.

What is the regulatory status of 10-Undecenoic acid?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is 10-Undecenoic acid classified as hazardous?

Hazard statements reported: H315, H319, H400, H412.

What are the key physical properties of 10-Undecenoic acid?

Boiling Point: Decomposes at 275°C; Boiling Point: 137.00 °C. @ 2.00 mm Hg; Boiling Point: 275 °C; Melting Point: 24.5.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.