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ChemicalBook--->CAS DataBase List--->693-72-1

693-72-1

693-72-1 Structure

693-72-1 Structure
IdentificationMore
[Name]

TRANS-11-OCTADECENOIC ACID
[CAS]

693-72-1
[Synonyms]

11-OCTADECENOIC ACID
11-OCTADECENOIC ACID (TRANS)
11-TRANS-OCTADECENOIC ACID
DELTA 11 TRANS OCTADECENOIC ACID
TRANS-11-OCTADECENOIC ACID
TRANS-11-OLEIC ACID
TRANS-VACCENIC ACID
VACCENIC ACID
VACCENIC ACID (TRANS)
(e)-11-octadecenoicaci
11-Octadecenoic acid, (E)-
(E)-octadec-11-enoic acid
trans-11-Octadecenoicacid,mixtureoftrans-11-and
(E)-octadec-10-enoic acid
TRANS-18:1FATTYACIDS
11-TRANSVACCENICACID
TRANS18:1ACIDS
18:1TRANSFATTYACID
TRANS-11-VACCENICACID
(E)-Octadec-11-ensure
[EINECS(EC#)]

211-758-9
[Molecular Formula]

C18H34O2
[MDL Number]

MFCD00002734
[Molecular Weight]

282.46
[MOL File]

693-72-1.mol
Chemical PropertiesBack Directory
[Melting point ]

44℃
[Boiling point ]

397.91°C (estimate)
[density ]

0.8563
[refractive index ]

1.4472 (589.3 nm 50℃)
[Fp ]

113 °C
[storage temp. ]

−20°C
[solubility ]

Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
[form ]

Liquid
[pka]

4.78±0.10(Predicted)
[color ]

Clear Colourless
[biological source]

synthetic (organic)
[Merck ]

13,9965
[CAS DataBase Reference]

693-72-1(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

1
Hazard InformationBack Directory
[Uses]

Vaccenic Acid is a fatty acid found in Artemia salina that shows antimicrobial activity against a variety of microorganisms except Escherichia coli, Micrococcus luteus and Salmonella enteritidis.
[Definition]

ChEBI: Vaccenic acid is an octadecenoic acid having a double bond at position 11; and which can occur in cis- or trans- configurations. It is an octadecenoic acid and a straight-chain fatty acid. It is a conjugate acid of a vaccenate(1-).
[Purification Methods]

Crystallise the acid from acetone (m 45-45.5o) or aqueous MeOH (m 43.5-43.7o). The methyl ester has b 174-175o/5mm. [B.eseken & Hoagland Rec Trav Chim, Pays Bas 46 632 1927, Ahmad et al. J Am Chem Soc 70 3391 1948, IR: Rao & Daubert J Am Chem Soc 70 1102 1948.]
Spectrum DetailBack Directory
[Spectrum Detail]

TRANS-11-OCTADECENOIC ACID(693-72-1)1HNMR
TRANS-11-OCTADECENOIC ACID(693-72-1)IR1
TRANS-11-OCTADECENOIC ACID(693-72-1)IR2
TRANS-11-OCTADECENOIC ACID(693-72-1)IR3
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

693-72-1(sigmaaldrich)
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