5-Hexen-1-ol
- CAS No.
- 821-41-0
- Chemical Name:
- 5-Hexen-1-ol
- Synonyms
- Hex-5-en-1-ol;5-hexenol;5-HEXEN-1-OL;1-Hexen-6-ol;5-hexeen-1-ol;5-Hexen-1-ol>5-Hexen-1-ol,99%;5-HEXEN-1-OL 99%;6-Hydroxyhex-1-ene;5-Hexen-1-ol, 97+%
- CBNumber:
- CB3237007
- Molecular Formula:
- C6H12O
- Molecular Weight:
- 100.16
- MOL File:
- 821-41-0.mol
- MSDS File:
- SDS
- Modify Date:
- 2025/1/27 9:38:02
| Melting point | <-20°C |
|---|---|
| Boiling point | 78-80 °C/25 mmHg (lit.) |
| Density | 0.834 g/mL at 25 °C (lit.) |
| FEMA | 4351 | 5-HEXENOL |
| refractive index |
n |
| Flash point | 117 °F |
| storage temp. | Sealed in dry,2-8°C |
| solubility | 18.6g/l |
| form | Liquid |
| pka | 15.17±0.10(Predicted) |
| Specific Gravity | 0.846 |
| color | Clear colorless |
| PH | 7 (H2O) |
| Odor | green |
| Odor Type | green |
| biological source | synthetic |
| Water Solubility | Miscible with water. |
| JECFA Number | 1623 |
| BRN | 1236458 |
| Stability | Volatile |
| InChIKey | UIZVMOZAXAMASY-UHFFFAOYSA-N |
| LogP | 1.50 |
| CAS DataBase Reference | 821-41-0(CAS DataBase Reference) |
| EPA Substance Registry System | 5-Hexen-1-ol (821-41-0) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS02,GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H226-H314 | |||||||||
| Precautionary statements | P210-P280-P301+P330+P331-P303+P361+P353-P305+P351+P338+P310 | |||||||||
| Hazard Codes | F | |||||||||
| Risk Statements | 10 | |||||||||
| Safety Statements | 16-24/25 | |||||||||
| RIDADR | UN 1987 3/PG 3 | |||||||||
| WGK Germany | 1 | |||||||||
| F | 9 | |||||||||
| Hazard Note | Flammable | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29052290 | |||||||||
| NFPA 704 |
|
5-Hexen-1-ol price More Price(5)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 230324 | 5-Hexen-1-ol 98% | 821-41-0 | 5G | ₹3539.78 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 230324 | 5-Hexen-1-ol 98% | 821-41-0 | 25G | ₹13044.13 | 2022-06-14 | Buy |
| TCI Chemicals (India) | H0653 | 5-Hexen-1-ol min. 97.0 % | 821-41-0 | 10ML | ₹5600 | 2022-05-26 | Buy |
| TCI Chemicals (India) | H0653 | 5-Hexen-1-ol min. 97.0 % | 821-41-0 | 25ML | ₹8600 | 2022-05-26 | Buy |
| TCI Chemicals (India) | H0653 | 5-Hexen-1-ol min. 97.0 % | 821-41-0 | 250ML | ₹22900 | 2022-05-26 | Buy |
5-Hexen-1-ol Chemical Properties,Uses,Production
Chemical Properties
Clear, colorless liquid with a green aroma.
Uses
5-Hexen-1-ol is used in cyclization to a tetrahydropyran by phenylselenoetherification. It is also used as a building block in synthetic chemistry. Further, it is used to prepare 6-bromo-hex-1-ene by reaction with phosphorus tribromide.
Preparation
5-hexen-1-ol may be prepared from 2-(chloromethyl)tetrahydropyran according to the literature procedure for the preparation of 4-penten-1-ol (Brooks, L. A.; Snyder, H. R. Org. Synth. Coll. Vol. III 1955, 698).
Application
5-Hexen-1-ol is used as a food flavouring agent and as a raw material in organic synthesis for cyclisation to other compounds such as tetrahydropyran via phenylselenide etherification.
Aroma threshold values
Medium strength odor; recommend smelling in a 10.00% solution or less
Synthesis
6-bromo-1-hexene is used as a raw material, and tetrabutylammonium bromide is used as a catalyst. In an acetonitrile solvent, it is heated to react with potassium acetate. The mixed solution is then cooled to room temperature (18-25°C), the reaction solution is concentrated under reduced pressure, and then water is added to dissolve; methyl tert-butyl ether is added and stirred to separate the layers, the water layer is extracted once with methyl tert-butyl ether, the organic phases are combined and filtered, and the filtrate is concentrated under reduced pressure. The concentrated solution begins to hydrolyze, and 15% alkaline aqueous solution and methanol are added to the concentrated solution. The mixture is stirred at room temperature to dissolve each other; after the hydrolysis is completed, the methanol is concentrated under reduced pressure. After concentration to dryness, the system begins to separate into layers, with an upper organic phase and a lower aqueous phase. The aqueous phase is extracted twice with dichloromethane, and the combined organic phases are concentrated under reduced pressure to obtain 5-Hexen-1-ol.
5-Hexen-1-ol Preparation Products And Raw materials
Raw materials
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