5-Hexen-1-ol
Synonym(s):5-Hexenol
- CAS NO.：821-41-0
- Empirical Formula: C6H12O
- Molecular Weight: 100.16
- MDL number: MFCD00002981
- EINECS: 212-477-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:11
What is 5-Hexen-1-ol?
Chemical properties
Clear, colorless liquid with a green aroma.
The Uses of 5-Hexen-1-ol
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.
What are the applications of Application
5-Hexen-1-ol is also known as 5-Hexenol; an organic building block
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).
What are the applications of 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
Properties of 5-Hexen-1-ol
| 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) |
| Specific Gravity | 0.846 |
| color | Clear colorless |
| PH | 7 (H2O) |
| Odor | green |
| Water Solubility | Miscible with water. |
| JECFA Number | 1623 |
| BRN | 1236458 |
| Stability: | Volatile |
| CAS DataBase Reference | 821-41-0(CAS DataBase Reference) |
| EPA Substance Registry System | 5-Hexen-1-ol (821-41-0) |
Safety information for 5-Hexen-1-ol
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H226:Flammable liquids H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for 5-Hexen-1-ol
| InChIKey | UIZVMOZAXAMASY-UHFFFAOYSA-N |
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