p-Tolunitrile
Pharmaceutical Materials 2025-03-02
CAS Number: 104-85-8
Molecular Formula: C8H7N
Molecular Weight: 117.15 g/mol
Appearance: Clear, colorless liquid or crystal
Melting Point: 29.5 °C
Boiling Point: 217.6 °C
Usage: Pharmaceutical intermediates.
| Attribute | Details |
|---|---|
| Name | p-Tolunitrile |
| CAS Number | 104-85-8 |
| Synonyms | 4-Methylbenzenecarbonitrile, Para-tolunitrile, p-Toluonitrile, 4-Methylbenzonitrile, P-toluenenitrile, 4-cyano-toluene, p-Methylbenzonitrile |
| Molecular Formula | C8H7N |
| Molecular Weight | 117.15 g/mol |
| Appearance | White to yellow needle-like crystals or a transparent crystalline solid |
| Physical Properties | |
| – Density | 0.981 g/mL at 25°C |
| – Melting Point | 29.5°C |
| – Boiling Point | 217.6°C |
| – Flash Point | 85°C |
| – Refractive Index | 1.5285-1.5305 |
| Solubility | Insoluble in water; soluble in organic solvents such as ethanol, ether, acetic ester, chloroform, and dichloromethane |
| Chemical Properties | Stable under normal conditions; contains a cyano group, which is reactive and can participate in condensation, hydrogenation, substitution, and other organic synthesis reactions. |
| Uses | Used as an intermediate in organic synthesis and as a basic raw material in pharmaceutical chemistry. It is applied in the preparation of oxazoline ligands and p-toluic acid derivatives. |
| Hazard Information | Toxic; may cause skin irritation, serious eye irritation, and respiratory tract stimulation. Flammable; keep away from heat, sparks, and open flames. |
| Precautions | Store in a cool, well-ventilated place. Keep away from oxidants. Wear appropriate protective clothing, gloves, and eye/face protection. |
| First Aid Measures | In case of skin contact, wash thoroughly with soap and water. In case of eye contact, rinse eyes with plenty of water and seek medical attention. If inhaled or swallowed, seek medical attention immediately. |
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