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
- MDL Number:
- MFCD00002981
- MOL File:
- 821-41-0.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | <-20°C |
|---|---|
| Boiling point | 78-80 °C/25 mmHg (lit.) |
| Density | 0.834 g/mL at 25 °C (lit.) |
| refractive index |
n |
| FEMA | 4351 | 5-HEXENOL |
| Flash point | 117 °F |
| storage temp. | Sealed in dry,2-8°C |
| solubility | 18.6g/l |
| form | Liquid |
| pka | 15.17±0.10(Predicted) |
| color | Clear colorless |
| Specific Gravity | 0.846 |
| PH | 7 (H2O) |
| Odor | green |
| Odor Type | green |
| biological source | synthetic |
| Water Solubility | Miscible with water. |
| JECFA Number | 1623 |
| BRN | 1236458 |
| Stability | Volatile |
| InChI | 1S/C6H12O/c1-2-3-4-5-6-7/h2,7H,1,3-6H2 |
| InChIKey | UIZVMOZAXAMASY-UHFFFAOYSA-N |
| SMILES | OCCCCC=C |
| LogP | 1.50 |
| CAS DataBase Reference | 821-41-0(CAS DataBase Reference) |
| Substances Added to Food (formerly EAFUS) | 5-HEXENOL |
| FDA UNII | 57PD1RF6G7 |
| EPA Substance Registry System | 5-Hexen-1-ol (821-41-0) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
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 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| 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 | TSCA listed | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29052290 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Eye Dam. 1 Flam. Liq. 3 Skin Corr. 1B |
|||||||||
| REACH Registrations | Active | |||||||||
| Limited Quantities | 5.0 L (1.3 gallons) (liquid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | |||||||||
| NFPA 704 |
|
5-Hexen-1-ol price More Price(63)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 230324 | 5-Hexen-1-ol 98% | 821-41-0 | 5g | $85.2 | 2026-04-30 | Buy |
| Sigma-Aldrich | 230324 | 5-Hexen-1-ol 98% | 821-41-0 | 25g | $206 | 2026-04-30 | Buy |
| TCI Chemical | H0653 | 5-Hexen-1-ol >97.0%(GC) | 821-41-0 | 10mL | $64 | 2026-04-30 | Buy |
| TCI Chemical | H0653 | 5-Hexen-1-ol >97.0%(GC) | 821-41-0 | 25mL | $111 | 2026-04-30 | Buy |
| Usbiological | 278673 | 5-Hexen-1-ol Asreported | 821-41-0 | 1g | $326 | 2026-06-03 | Buy |
5-Hexen-1-ol Chemical Properties, Uses, Production
Background
Enol is an important fine chemical, such as isophytol, folyl alcohol, etc. It can be further used as a critical intermediate for synthesizing medicines, pesticides, essences, spices and the like with high economic added values. It has a large market demand. 5-Hexen-1-ol is a common organic synthesis and medical intermediate and an essential raw material for chemical engineering and medicine.
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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Preparation Products
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| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Greenanew(Shanghai) Biotech Co., Ltd. | 13774412103 | zhaonan@greenanew.com | China | 9 | 58 |
| Tianjin Lingxi Technology Co., Ltd | 022-022-60374912 15822944310 | 2725862453@qq.comqq.com | China | 500 | 58 |
| Shijiazhuang Moyi Chemical Technology Co., Ltd | 0311-85511132 18031831025 | mingyu2011p@126.com | China | 86 | 55 |
| Nanjing Sifanke Chemical Co.LTD | 025-58699658 13814094318 | 985496172@qq.com | China | 511 | 58 |
| Varnor Chemical Co., Ltd. | 0796-8330061 18779971813 | sales@varnorchem.com | China | 74 | 58 |
| Chongqing Xingcan Pharmaceutical Technology Co., Ltd. | 13594048950 19923294409 | xingcanyaoye@sina.com | China | 1591 | 58 |
| Huai'an Xinsheng New Materials Technology Co., Ltd | 15162925511 13952383698 | czg_123@126.com | China | 22 | 58 |
| New Energy Chemicals | 0515-82159099 13770142076 | info@njuchem.com | China | 251 | 65 |
| Nanjing Chengxi Chemical Technology Co., Ltd | 15996471730 | 3866853055@qq.com | China | 24 | 58 |
| Creasyn Finechem(Tianjin) Co., Ltd. | 022-83946278 13820372920 | sales@creasyn.com | China | 968 | 68 |
Related articles
- Synthesis and Esterification reaction of 5-Hexen-1-ol
- 5-Hexen-1-ol can be prepared from 6-bromo-1-hexene as the starting material through hydrolysis of the bromine moiety.
- May 8,2026
View Latest Price from 5-Hexen-1-ol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-08-25 | 1-Hexen-6-ol
821-41-0
|
$2.20-8.80 | 1kg | 99% | 100kg | ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD | |
 |
2026-05-28 | 5-Hexen-1-Ol
821-41-0
|
$2.00-5.00 | 1KG | 99% | 10000kg | Hebei Chuanghai Biotechnology Co,.LTD | |
 |
2025-10-29 | 5-HEXEN-1-OL
821-41-0
|
1KG | 0.90/0.98 | 500tons | Chongqing Chemdad Co., Ltd |
-
- 1-Hexen-6-ol
821-41-0
- $2.20-8.80
- 99%
- ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
-
- 5-Hexen-1-Ol
821-41-0
- $2.00-5.00
- 99%
- Hebei Chuanghai Biotechnology Co,.LTD
-
- 5-HEXEN-1-OL
821-41-0
- $0.00
- 0.90/0.98
- Chongqing Chemdad Co., Ltd
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