TRANS-11-OCTADECENOIC ACID
Synonym(s):trans-11-Octadecenoic acid;11-trans-Octadecenoic acid
- CAS NO.：693-72-1
- Empirical Formula: C18H34O2
- Molecular Weight: 282.46
- MDL number: MFCD00002734
- EINECS: 211-758-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-22 18:57:36
What is TRANS-11-OCTADECENOIC ACID?
The Uses of TRANS-11-OCTADECENOIC ACID
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.
What are the applications of Application
trans-Vaccenic acid is a naturally occurring trans fat
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.]
Properties of TRANS-11-OCTADECENOIC ACID
| Melting point: | 44℃ |
| Boiling point: | 397.91°C (estimate) |
| Density | 0.8563 |
| refractive index | 1.4472 (589.3 nm 50℃) |
| Flash point: | 113 °C |
| storage temp. | Sealed in dry,Store in freezer, under -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 information for TRANS-11-OCTADECENOIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for TRANS-11-OCTADECENOIC ACID
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