trans,trans-2,4-Heptadienal
- CAS NO.：5910-85-0
- Empirical Formula: C7H10O
- Molecular Weight: 110.15
- MDL number: MFCD00007005
- EINECS: 227-627-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:54:08
What is trans,trans-2,4-Heptadienal?
Chemical properties
Yellowish liquid. It has a grassy, fat, fruit and spice-like aroma. Flash point 60 ℃. Soluble in ethanol and most non-volatile oils, insoluble in water.
The Uses of trans,trans-2,4-Heptadienal
2,4-Heptadienal is mainly used for the preparation of blueberry, raspberry and miscellaneous fruit flavors.
Definition
ChEBI: (E,E)-hepta-2,4-dienal is a heptadienal in which the two double bonds are located at positions 2 and 4 (the E,E-geoisomer). It has a role as a flavouring agent.
Synthesis
2,4-Heptadienal is synthesized by reducing heptadienoic acid to heptadienol with LiAlH4 and then oxidizing it with MnO2.
Properties of trans,trans-2,4-Heptadienal
| Boiling point: | 84-84.5 °C(lit.) |
| Density | 0.881 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 150 °F |
| Odor | Citrus flavors, especially orange and tangerine. Can also be used for mouth feel in a variety of dairy type flavors.green pungent fruity spicy |
| CAS DataBase Reference | 5910-85-0(CAS DataBase Reference) |
| EPA Substance Registry System | 2,4-Heptadienal (5910-85-0) |
Safety information for trans,trans-2,4-Heptadienal
Computed Descriptors for trans,trans-2,4-Heptadienal
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