Tiglic aldehyde
Synonym(s):(E)-2-Methylbut-2-enal;trans-2,3-Dimethylacrolein;trans-2-Methyl-2-butenal;Tiglic aldehyde;Tiglinaldehyde
- CAS NO.：1115-11-3
- Empirical Formula: C5H8O
- Molecular Weight: 84.12
- MDL number: MFCD00006977
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 16:09:46
What is Tiglic aldehyde?
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,
The Uses of Tiglic aldehyde
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.
Properties of Tiglic aldehyde
| Melting point: | -101.15°C (estimate) |
| Boiling point: | 116-119 °C |
| Density | 0.871 |
| refractive index | 1.448 |
| FEMA | 3407 | 2-METHYL-2-BUTENAL |
| Flash point: | 21 °C |
| Odor | at 1.00 % in dipropylene glycol. pungent green ethereal nutty anisic fruity |
| Water Solubility | 2.5% soluble in water |
| JECFA Number | 1201 |
| NIST Chemistry Reference | 2-Butenal, 2-methyl-(1115-11-3) |
Safety information for Tiglic aldehyde
Computed Descriptors for Tiglic aldehyde
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