1-HEXYN-3-OL
- CAS NO.：105-31-7
- Empirical Formula: C6H10O
- Molecular Weight: 98.14
- MDL number: MFCD00014408
- EINECS: 203-286-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:22:51
What is 1-HEXYN-3-OL?
Chemical properties
Light-yellow liquid; strong odor. Slightly soluble in water; miscible with most hydrocarbons, chlorinated solvents, ketones, alcohols, and glycols.
The Uses of 1-HEXYN-3-OL
1-Hexyn-3-ol may be used in the synthesis of racemic 3-hydroxy-2-hexanone. It may also be used in the preparation of 1,2,3-triazoles.
The Uses of 1-HEXYN-3-OL
Corrosion inhibitor against mineral acids, hightemperature oil-well-acidizing inhibitor.
General Description
1-Hexyn-3-ol is a terminal propargylic alcohol. It undergoes microwave-accelerated coupling-isomerization reaction (MACIR) with (hetero)aryl halides to afford the corresponding enone.
Hazard
Toxic by ingestion and inhalation, absorbed by skin. Probably flammable.
Properties of 1-HEXYN-3-OL
| Melting point: | -80°C |
| Boiling point: | 118 °C |
| Density | 0.873 g/mL at 25 °C |
| refractive index | n |
| Flash point: | 117 °F |
| storage temp. | Sealed in dry,Room Temperature |
| form | clear liquid |
| pka | 13.28±0.20(Predicted) |
| color | Colorless to Light orange to Yellow |
| BRN | 1739419 |
| CAS DataBase Reference | 105-31-7(CAS DataBase Reference) |
| EPA Substance Registry System | 1-Hexyn-3-ol (105-31-7) |
Safety information for 1-HEXYN-3-OL
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H301:Acute toxicity,oral H310:Acute toxicity,dermal H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P262:Do not get in eyes, on skin, or on clothing. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 1-HEXYN-3-OL
| InChIKey | LTFTWJYRQNTCHI-UHFFFAOYSA-N |
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