| Identification | Back Directory | [Name]
Tiglic aldehyde | [CAS]
1115-11-3 | [Synonyms]
Tiglic aldehyde
2-methylbut-2-enal
2-Butenal, 2-Methyl-
2,3-DIMETHYLACROLEIN
2-Methylcrotonaldehyde
2-Methyl-2-butene-1-al
2,3-Dimethyl-2-propenal
trans-2-Methyl-2-butenal
2,3-Dimethylacrylaldehyde
trans-2,3-Dimethylacrolein
methyl-2-butenal,2-methyl-2-butenal | [Molecular Formula]
C5H8O | [MDL Number]
MFCD00006977 | [MOL File]
1115-11-3.mol | [Molecular Weight]
84.12 |
| Chemical Properties | Back Directory | [Melting point ]
-101.15°C (estimate) | [Boiling point ]
116-119 °C | [density ]
0.871 | [FEMA ]
3407 | 2-METHYL-2-BUTENAL | [refractive index ]
1.448 | [Fp ]
21 °C | [Odor]
at 1.00 % in dipropylene glycol. pungent green ethereal nutty anisic fruity | [Odor Type]
green | [Water Solubility ]
2.5% soluble in water | [JECFA Number]
1201 | [InChI]
InChI=1S/C5H8O/c1-3-5(2)4-6/h3-4H,1-2H3 | [InChIKey]
ACWQBUSCFPJUPN-UHFFFAOYSA-N | [SMILES]
C(=O)C(C)=CC | [LogP]
1.07 | [NIST Chemistry Reference]
2-Butenal, 2-methyl-(1115-11-3) |
| Hazard Information | Back Directory | [Chemical Properties]
Tiglic aldehyde is a colorless mobile liquid. Sp.Gr. 0.87. 2.5% soluble in water, miscible with alcohol and oils. Easily oxidized in air. Very diffusive, penetrating odor, unpleasantly pungent, irritating when undiluted, but quite pleasant,
| [Uses]
Tiglic aldehyde has found little use in perfume compositions mainly as a trace component in special topnote compositions, bases, etc. It will support fruity, green and vinous notes, and it has interesting effects in Geranium, Clary Sage, etc.
| [Preparation]
Tiglic aldehyde is prepared by condensation of Acetaldehyde with Propionaldehyde.
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