TRANS-2-NONENAL
Synonym(s):(E)-2-Nonenal
- CAS NO.:18829-56-6
- Empirical Formula: C9H16O
- Molecular Weight: 140.22
- MDL number: MFCD00007012
- EINECS: 242-609-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-21 22:12:10
What is TRANS-2-NONENAL?
Chemical properties
CLEAR COLOURLESS TO PALE YELLOW LIQUID
The Uses of TRANS-2-NONENAL
trans-2-Nonenal is an unsaturated aldehyde that is a product of fatty acid peroxidation (and also has a grassy, cucumber smell). trans-2-Nonenal is naturally found in mushrooms, coffee and is also a constituent of carrot root. It also exhibits insecticidal effects.
Definition
ChEBI: (E)-non-2-enal is a monounsaturated fatty aldehyde that is (2E)-non-2-ene which is carrying an oxo group at position 1. It has a role as a plant metabolite. It is a monounsaturated fatty aldehyde, an enal and a medium-chain fatty aldehyde.
Synthesis Reference(s)
Tetrahedron Letters, 24, p. 4829, 1983 DOI: 10.1016/S0040-4039(00)94018-8
General Description
trans-2-Nonenal (T2N) is a volatile unsaturated aldehyde with an unpleasant greasy odor, present in low concentrations in barley, malt, and certain vegetables. It is utilized as an insect repellent, insecticide, and flavor compound. T2N is one of the basic components contributing to the off-flavor and odor in stored beer.
Properties of TRANS-2-NONENAL
Melting point: | -28°C (estimate) |
Boiling point: | 88-90 °C12 mm Hg(lit.) |
Density | 0.846 g/mL at 25 °C(lit.) |
vapor density | >1 (vs air) |
refractive index | n |
FEMA | 3213 | 2-NONENAL |
Flash point: | 184 °F |
storage temp. | Refrigerator (+4°C) |
solubility | Chloroform (Slightly), Methanol (Slightly) |
form | Liquid |
color | Clear colorless to pale yellow |
Odor | at 1.00 % in dipropylene glycol. fatty green cucumber aldehydic citrus |
Water Solubility | Soluble in Alcohol , and oils. Insoluble in water. |
Sensitive | Air Sensitive |
JECFA Number | 1362 |
Merck | 14,6676 |
CAS DataBase Reference | 18829-56-6(CAS DataBase Reference) |
EPA Substance Registry System | 2-Nonenal, (2E)- (18829-56-6) |
Safety information for TRANS-2-NONENAL
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. 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-2-NONENAL
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