Undecenoic acid

Bezeichnung:Undecenoic acid

CAS-Nr112-38-9

Englisch Name:Undecenoic acid

CBNumberCB9286335

SummenformelC11H20O2

Molgewicht184.28

MOL-Datei112-38-9.mol

Undecenoic acid physikalisch-chemischer Eigenschaften

Schmelzpunkt	23-25 °C (lit.)
Siedepunkt	137 °C/2 mmHg (lit.)
Dichte	0.912 g/mL at 25 °C (lit.)
Dampfdruck	0.019Pa at 20℃
FEMA	3247 \| 10-UNDECENOIC ACID
Brechungsindex	n20/D 1.449(lit.)
Flammpunkt	300 °F
storage temp.	Store below +30°C.
Löslichkeit	water: insoluble
Aggregatzustand	Crystalline Low Melting Solid or Liquid
pka	4.78±0.10(Predicted)
Colour Index	42650
Wichte	0.911 (25/25℃)
Farbe	Pale yellow
Geruch (Odor)	sweet woody
Geruchsart	woody
Wasserlöslichkeit	INSOLUBLE
JECFA Number	331
Merck	14,9848
BRN	1762631
LogP	4 at 20℃
CAS Datenbank	112-38-9(CAS DataBase Reference)
NIST chemische Informationen	Undecylenic Acid(112-38-9)
EPA chemische Informationen	10-Undecenoic acid (112-38-9)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38-52/53-36/38
S-Sätze:	26-61-37/39-36
RIDADR	UN 3261 8/PG 2
WGK Germany	1
RTECS-Nr.	YQ2975000
Selbstentzündungstemperatur	275 °C
TSCA	Yes
HS Code	29161910
Toxizität	LD50 in mice (g/kg): 8.15 orally; 0.960 i.p. (Newell)

Gefahreninformationscode (GHS)

Undecenoic acid Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R52/53:Schädlich für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
R36/38:Reizt die Augen und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
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%
Chemische Eigenschaften
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.
Chemische Eigenschaften
Light-colored liquid; fruity-rosy odor. Almost insoluble in water; miscible with alcohol, chloroform, ether, benzene, and fixed and volatile oils. Combustible.
Chemische Eigenschaften
10-Undecenoic acid has a characteristic pungent odor.
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
Verwenden
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)
Verwenden
used as antifoaming and surface active agent. As its sulfo – succinate derivative it is used in anti-dandruff shampoos
Verwenden
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.
Verwenden
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.
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.
synthetische
From malonic acid; by pyrolysis of ricinoleic acid or castor oil.
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.
Allgemeine Beschreibung
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.
Synthese
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.
läuterung methode
Purify the acid by repeated fractional crystallisation from its melt or by distillation in a vacuum. [Beilstein 2 IV 1612.]

Undecenoic acid Upstream-Materialien And Downstream Produkte

Undecenoic acid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

112-38-9, Undecenoic acid Verwandte Suche:

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