3-Methyl-1-pentyn-3-ol
Pharmaceutical Materials 2025-03-02
CAS Number: 77-75-8
Molecular Formula: C6H10O
Molecular Weight: 98.14 g/mol
Appearance: Colorless or slightly yellow transparent liquid
Boiling Point: 121-122 °C Density: 0.869 g/cm³
Usage: Used as a medical intermediate, hypnotic for live fish transport, special solvent, etc.
| Attribute | Information |
|---|---|
| Chemical Name | 3-Methyl-1-pentyn-3-ol |
| Synonyms | 4-Pentyn-3-ol, 2-methyl-; 3-Hydroxy-2-methylpent-1-yne |
| CAS Number | 627-21-4 |
| Molecular Formula | C6H10O |
| Molecular Weight | 90.14 g/mol |
| Physical State | Colorless to pale yellow liquid with a characteristic odor |
| Density | Approx. 0.86 g/mL at 25°C |
| Boiling Point | 135-137°C |
| Refractive Index | 1.435-1.437 |
| Flash Point | 43°C (closed cup) |
| Solubility | Soluble in organic solvents, slightly soluble in water |
| Chemical Properties | Terminal alkyne with a hydroxyl group; undergoes typical alkyne and alcohol reactions |
| Applications | Used as an intermediate in the synthesis of organic compounds, particularly in the pharmaceutical and agrochemical industries |
| Hazard Classification | Flammable liquid, harmful if swallowed or inhaled, may cause skin and eye irritation, and is a suspected carcinogen |
| Safety Precautions | Store in a cool, well-ventilated area, keep away from heat, sparks, and open flames, use with adequate ventilation, wear appropriate protective clothing, and avoid contact with skin and eyes |
| Disposal | Dispose of in accordance with local regulations and guidelines for hazardous waste; avoid release to the environment |
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