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Undecenoic acid

Undecenoic acid Suppliers list
Company Name: Henan DaKen Chemical CO.,LTD.
Tel: +86-371-66670886
Products Intro: Product Name:Undecenoic acid
Purity:99% Package:100g,500g,1kg,5kg,10kg
Company Name: Henan Tianfu Chemical Co.,Ltd.
Tel: 0371-55170693
Products Intro: Product Name:112-38-9
Purity:0.99 Package:25KG,5KG;1KG;500G
Company Name: Hangzhou FandaChem Co.,Ltd.
Tel: 008615858145714
Products Intro: Product Name:10c-Undecenoic acid
Company Name: Shanxi Naipu Import and Export Co.,Ltd
Products Intro: Product Name:Undecenoic acid
Purity:99% Package:1ASSAYS;10USD
Company Name: career henan chemical co
Tel: +86-371-86658258
Products Intro: Product Name:Undecenoic acid
Purity:98% Package:100KG;2500USD

Lastest Price from Undecenoic acid manufacturers

  • Undecenoic acid
  • US $15.00-10.00 / KG
  • 2021-07-13
  • CAS:112-38-9
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
  • Undecenoic acid
  • US $15.00-10.00 / KG
  • 2021-07-10
  • CAS:112-38-9
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
Undecenoic acid Basic information
Product Name:Undecenoic acid
Synonyms:10-Undecensαure;Sevinon;undec-10-enoic;Undec-10-ensαure;undec-9-enoicacid;Undecen-10-acid-1;Undecyl-10-enic acid;undecyl-10-enicacid
Product Categories:Building Blocks;C11 to C12;Carbonyl Compounds;Carboxylic Acids;Chemical Synthesis;Organic Building Blocks;Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;omega-Functional Alkanols, Carboxylic Acids, Amines & Halides;omega-Unsaturated Carboxylic Acids;other;VX:15689727968
Mol File:112-38-9.mol
Undecenoic acid Structure
Undecenoic acid Chemical Properties
Melting point 23-25 °C (lit.)
Boiling point 137 °C/2 mmHg (lit.)
density 0.912 g/mL at 25 °C (lit.)
refractive index n20/D 1.449(lit.)
Fp 300 °F
storage temp. Store below +30°C.
solubility water: insoluble
form Crystalline Low Melting Solid or Liquid
Colour Index 42650
Specific Gravity0.911 (25/25℃)
color Pale yellow
Water Solubility INSOLUBLE
Merck 14,9848
JECFA Number331
BRN 1762631
CAS DataBase Reference112-38-9(CAS DataBase Reference)
NIST Chemistry ReferenceUndecylenic Acid(112-38-9)
EPA Substance Registry System10-Undecenoic acid (112-38-9)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38-52/53-36/38
Safety Statements 26-61-37/39-36
RIDADR UN 3261 8/PG 2
WGK Germany 1
RTECS YQ2975000
Autoignition Temperature275 °C
HS Code 29161910
ToxicityLD50 in mice (g/kg): 8.15 orally; 0.960 i.p. (Newell)
MSDS Information
Undecenoic acid English
SigmaAldrich English
ACROS English
ALFA English
Undecenoic acid Usage And Synthesis
DescriptionUndecylenic 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%
Chemical PropertiesUndecylenic acid is an organic unsaturated fatty acid derived from castor oil. It is the common name of 10-undecenoic acid, (CH2CH(CH2)8COOH). It is used in the manufacture of pharmaceuticals, cosmetics and perfumery, including antidandruff shampoos , antimicrobial powders and as a musk in perfumes and aromas. Undecylenic acid is produced by cracking of castor oil under pressure.
Chemical Properties10-Undecenoic acid has a characteristic pungent odor.
Chemical PropertiesLight-colored liquid; fruity-rosy odor. Almost insoluble in water; miscible with alcohol, chloroform, ether, benzene, and fixed and volatile oils. Combustible.
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
UsesUndecylenic acid can be used in silicon-based biosensors. Monolayers can be made on bare silicon transducer surfaces with the help of covalent bonds between silicon atom and the double bonds of undecylenic acid. The carboxylic acid groups remain available for the conjugation of biomolecules such as DNA or proteins.
  1. silicon-based biosensors
  2. natural fungicide
  3. chemical intermediate in fragrance and flavours
  4. cosmetics & personal care: highly effective natural antimicrobial and preservative properties
  5. undecylenic acids-based diols and polyols
  6. additive in cutting fluids (fungicide or as triethanolamine salt as rust inhibiting additive)
Usesused as antifoaming and surface active agent. As its sulfo – succinate derivative it is used in anti-dandruff shampoos
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.
PreparationFrom malonic acid; by pyrolysis of ricinoleic acid or castor oil.
IndicationsUndecylenic acid, like zinc undecylenate, is very effective as an external drug for treating moderate dermatophyte infections and yeast dermatitis, but it is not effective for shingles and for candida infections. Synonyms of this drug are benzevrine, micocid, undetin, and others.
Clinical Use10-Undecenoic acid (Desenex, Cruex) obtained fromthe destructive distillation of castor oil. Undecylenic acidis a viscous yellow liquid. It is almost completely insolublein water but is soluble in alcohol and most organicsolvents.
Undecylenic acid is one of the better fatty acids for useas a fungicide, although cure rates are low. It can be used inconcentrations up to 10% in solutions, ointments, powders,and emulsions for topical administration. The preparationshould never be applied to mucous membranes because it isa severe irritant. Undecylenic acid has been one of theagents traditionally used for athlete’s foot (tinea pedis).Cure rates are low, however.
Chemical SynthesisUndecylenic acid, 10-undecylenic acid (35.4.7), is synthesized by pyrolysis at 400°C and low pressure (50 mm) an oxyderivative of oleic acid—ricinoleic acid—the glyceride of which is the main ingredient of castor oil.

Purification MethodsPurify the acid by repeated fractional crystallisation from its melt or by distillation in a vacuum. [Beilstein 2 IV 1612.]
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