A4798612
2,4-Hexadienal , >95.0%(GC) , 142-83-6
Synonym(s):
(E,E)-2,4-Hexadienal;Sorbaldehyde;Sorbic aldehyde
CAS NO.：142-83-6
Empirical Formula: C6H8O
Molecular Weight: 96.13
MDL number: MFCD00007004
EINECS: 205-564-3
| Pack Size | Price | Stock | Quantity |
| 5G | RMB86.40 | In Stock |
|
| 25G | RMB237.60 | In Stock |
|
| 100G | RMB783.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -16.5°C |
| Boiling point: | 69 °C/20 mmHg (lit.) |
| Density | 0.895 g/mL at 20 °C
0.871 g/mL at 25 °C (lit.) |
| vapor density | >1 (vs air) |
| refractive index | n |
| FEMA | 3429 | TRANS,TRANS-2,4-HEXADIENAL |
| Flash point: | 154 °F |
| storage temp. | 2-8°C |
| solubility | Almost insoluble in water, soluble in alcohol and oils. |
| form | liquid |
| color | Colorless |
| Specific Gravity | 0.871 |
| Odor | at 10.00 % in dipropylene glycol. sweet green spicy floral citrus |
| Odor Type | green |
| biological source | synthetic |
| Water Solubility | It is Insoluble in water, but soluble in ethanol. |
| Sensitive | Air Sensitive |
| JECFA Number | 1175 |
| BRN | 1698401 |
| Stability: | Stable. Combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents. |
| LogP | 1.06 |
| CAS DataBase Reference | 142-83-6(CAS DataBase Reference) |
| IARC | 2B (Vol. 101) 2013 |
| NIST Chemistry Reference | 2,4-Hexadienal, (E,E)-(142-83-6) |
| EPA Substance Registry System | 2,4-Hexadienal, (2E,4E)- (142-83-6) |
Description and Uses
trans, frans-2,4-Hexadienal has a fresh, green, floral citrus odor. May be synthesized by slowly heating croton-aldehyde with acetaldehyde in the presence of pyridine at 85 - 90°C.
trans,trans-2,4-Hexadienal (sorbic aldehyde) was used in the synthesis of chiral cycloadducts.
Safety
| Symbol(GHS) |   GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H301+H311-H314-H317 |
| Precautionary statements | P261-P270-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | T,Xi,Xn |
| Risk Statements | 22-24-34-43-36/37/38-20/21/22 |
| Safety Statements | 26-36/37/39-45-36 |
| RIDADR | UN 2922 8/PG 3 |
| WGK Germany | 3 |
| RTECS | WG1925000 |
| F | 1-10 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29121900 |
| Hazardous Substances Data | 142-83-6(Hazardous Substances Data) |
