ChemicalBook > CAS DataBase List > Undecenoic acid

Undecenoic acid

Product Name
Undecenoic acid
CAS No.
112-38-9
Chemical Name
Undecenoic acid
Synonyms
UNDECYLENIC ACID;10-UNDECENOIC ACID;UNDEC-10-ENOIC ACID;undecylenic;9-Undecenoic acid;undec-10-enoic;10-HENDECENOIC ACID;Undecyl-10-enic acid;DECLID;Sevinon
CBNumber
CB9286335
Molecular Formula
C11H20O2
Formula Weight
184.28
MOL File
112-38-9.mol
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Undecenoic acid Property

Melting point:
23-25 °C (lit.)
Boiling point:
137 °C/2 mmHg (lit.)
Density 
0.912 g/mL at 25 °C (lit.)
vapor pressure 
0.019Pa at 20℃
refractive index 
n20/D 1.449(lit.)
FEMA 
3247 | 10-UNDECENOIC ACID
Flash point:
300 °F
storage temp. 
Store below +30°C.
solubility 
water: insoluble
form 
Crystalline Low Melting Solid or Liquid
pka
4.78±0.10(Predicted)
Colour Index 
42650
color 
Pale yellow
Specific Gravity
0.911 (25/25℃)
Odor
sweet woody
Odor Type
woody
Water Solubility 
INSOLUBLE
JECFA Number
331
Merck 
14,9848
BRN 
1762631
LogP
4 at 20℃
CAS DataBase Reference
112-38-9(CAS DataBase Reference)
NIST Chemistry Reference
Undecylenic Acid(112-38-9)
EPA Substance Registry System
10-Undecenoic acid (112-38-9)
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Safety

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 Temperature
275 °C
TSCA 
Yes
HS Code 
29161910
Toxicity
LD50 in mice (g/kg): 8.15 orally; 0.960 i.p. (Newell)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
W324721
Product name
Undecylenic acid
Purity
≥96%, FG
Packaging
1kg
Price
$80.6
Updated
2024/03/01
Sigma-Aldrich
Product number
W324721
Product name
Undecylenic acid
Purity
≥96%, FG
Packaging
10Kg
Price
$639
Updated
2024/03/01
Sigma-Aldrich
Product number
W324721
Product name
Undecylenic acid
Purity
≥96%, FG
Packaging
25kg
Price
$970
Updated
2024/03/01
Sigma-Aldrich
Product number
W324720
Product name
Undecylenic acid
Purity
natural, ≥97%, FG
Packaging
500g
Price
$212
Updated
2024/03/01
Sigma-Aldrich
Product number
W324720
Product name
Undecylenic acid
Purity
natural, ≥97%, FG
Packaging
1kg
Price
$331
Updated
2024/03/01
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Undecenoic acid Chemical Properties,Usage,Production

Description

Undecylenic 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 Properties

Undecylenic 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 Properties

10-Undecenoic acid has a characteristic pungent odor.

Chemical Properties

Light-colored liquid; fruity-rosy odor. Almost insoluble in water; miscible with alcohol, chloroform, ether, benzene, and fixed and volatile oils. Combustible.

Occurrence

Reported found as a metabolite in Rhodotorula glutinis var. lusitanica; naturally occurring in the essential oils of Juniperus chinensis, Thujopsis dolabrata and skim milk powder

Uses

10-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.

Uses

Undecylenic 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.

Uses

  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)

Uses

used as antifoaming and surface active agent. As its sulfo – succinate derivative it is used in anti-dandruff shampoos

Definition

ChEBI: 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.

Preparation

From malonic acid; by pyrolysis of ricinoleic acid or castor oil.

Indications

Undecylenic 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.

General Description

10-Undecenoic acid undergoes copolymerisation with ethylene using the metallocene catalyst system Cp2ZrCl2 / methylaluminoxane.

Flammability and Explosibility

Non flammable

Clinical Use

10-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.

Synthesis

Undecylenic acid, 10-undecylenic acid (35.4.7), is synthesized by pyrolysis at 400??C and low pressure (50 mm) an oxyderivative of oleic acid?aricinoleic acid?athe glyceride of which is the main ingredient of castor oil.

Purification Methods

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

Undecenoic acid Preparation Products And Raw materials

Raw materials

METHYL RICINOLEATE Stainless steel reaction pot Heptaldehyde Glyceryl Monooleate METHYL 10-UNDECENOATE Castor oil Sodium bisulfite Heptanoic acid Acetic acid Methanol Sodium hydroxide

Preparation Products

Undecan-4-olide gamma-Decalactone 10-UNDECENAL Decyl aldehyde METHYL 10-UNDECENOATE ETHYL 10-UNDECENOATE BUTYL UNDECYLENATE 11-MERCAPTOUNDECANOIC ACID ALLYL UNDECYLENATE 10-UNDECYNOIC ACID Zinc undecylenate CIVETONE 11-Bromoundecanoic acid 10-Undecenal
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View Lastest Price from Undecenoic acid manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Undecenoic Acid 112-38-9
Price
US $200.00-95.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-04-26
Hebei Weibang Biotechnology Co., Ltd
Product
Undecenoic acid 112-38-9
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-11-01
Hebei Weibang Biotechnology Co., Ltd
Product
Undecenoic acid 112-38-9
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 mt
Release date
2024-10-29

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