| Identification | More | [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 Properties | Back 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 | [Merck ]
13,9965 | [CAS DataBase Reference]
693-72-1(CAS DataBase Reference) |
| Safety Data | Back 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
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| Hazard Information | Back 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.] |
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