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112-38-9C=CCCCCCCCCC(=O)OFRPZMMHWLSIFAZ-UHFFFAOYSA-N10-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.
112-38-9、1333-28-4、96451-28-4DTXSID8035001CHEMBL1276010CHEBI:35045Cosmetic ingredients (Undecylenic Acid) -> CIR (Cosmetic Ingredient Review)
Preservative; Cleansing
3.86
3.86
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Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
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)
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.
Chemical: 10-Undecenoic acid
Chemical: Undecenoic acid
10-Undecenoic acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 10-Undecenoic acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
REACH registered substance: Undec-10-enoic acid (EC: 203-965-8)
Undecylenic acid: HSNO Approval: HSR003810 Approved with controls
IMAP assessments - 10-Undecenoic acid: Human health tier I assessment
Evaluation - Chemicals that are unlikely to require further regulation to manage risks to environment
Safe when used as a flavoring agent in food; [JECFA] A severe skin irritant; Causes somnolence, excitement, and muscle contraction or spasticity in oral lethal-dose studies of mice; Causes other changes in blood in 3-day intermittent dermal study of mice (15,000 mg/kg); [RTECS] A skin and strong eye irritant; [Alfa Aesar MSDS]
D - Dermatologicals
QD - Dermatologicals
Zinc undecylendate acts as a fungistatic agent but fungicidal activity may be observed with chronic exposure in high concentrations. It is effective against _Candida albicans_. It is proposed that undecylenic acid exerts antimicrobial actions via interacting with nonspecific components in the cell membrane.
Undecylenic acid demonstrated effectiveness against _Candida albicans_, which is an opportunistic pathogenic yeast with two cellular morphologies: the round yeast form and the filamentous form with elongated hyphae. Hyphae formation is associated with active infections and virulence. A study proposed that undecylenic acid inhibits biofilm formation of _Candida albicans_ with optimal concentration above 3 mM and disrupts hyphal growth, which is the morphological transition from yeast to filamentous phase, at concentration above 4 mM. Under the drug treatment, hyphal formation related genes, like HWP1, were significantly reduced in transcriptional level leading to poor biofilm formation. Both biofilm and hyphae formation are critical virulence factors for the initiation of skin infection and late development of disseminated infection. Undecylenic acid may also inhibit enzyme involved in lipid metabolism and abolish germ tube formation by carrying protons across the plasma membrane, thus altering cytoplasmic pH.
Undecylenic acid may be absorbed through the skin [MSDS].
No information regarding route of elimination.
No information regarding volume of distribution.
Wird geladen…
Insoluble
0.0737 mg/mL at 30 °C
insoluble in water; soluble in alcohol and ether
(in ethanol)
Decomposes at 275°C
137.00 °C. @ 2.00 mm Hg
275 °C
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...
Safe for use in cosmetics, with qualifications
No information regarding clearance.
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
Fragrance Ingredients
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
Flavoring Agents -> JECFA Flavorings Index
Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
All Other Basic Organic Chemical Manufacturing
10-Undecenoic acid: ACTIVE
BeschreibungUndecylenic acid (C11) or also called 10-undecenoic acid is an organic unsaturated fatty acid derived from castor oil by cracking. Undecylenic acid is an FDA approved active ingredient in medications for skin infections, and relieves itching, burning, and irritation. In technical applications it is used because if its antifungal properties.appearance (25°C) White or very pale yellow crystalline mass or clear colourless pale yellow liquid acid value mg KOH/g 295 - 304 saponification mg KOH/g 295 - 304 iodine value) gI2/100g 132 - 136 congealing point °C 23 - 24 Purity by GC % min. 99%
OccurrenceReported found as a metabolite in Rhodotorula glutinis var. lusitanica; naturally occurring in the essential oils of Juniperus chinensis, Thujopsis dolabrata and skim milk powder
Verwenden10-Undecenoic Acid, is used for the manufacture of pharmaceuticals, cosmetics and perfumery, including antidandruff shampoos, antimicrobial powders and as a musk in perfumes and aromas.
synthetischeFrom malonic acid; by pyrolysis of ricinoleic acid or castor oil.
DefinitionChEBI: 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.