Products Description of Phthalonitrile CAS#91-15-6
Phthalonitrile and other aromatic nitrile compounds are important organic synthesis intermediates with a wide range of applications. They are widely used in the pharmaceutical, pesticide, herbicide, insecticide, dye, fragrance, and natural product industries.
For example, 2,4-dinitro-6-cyanoaniline can be used to produce high-quality bright blue diazo dyes. Lemon nitrile is another example of an internationally developed nitrile fragrance, characterized by a sharp and strong lemon-like aroma.

Key Physical & Chemical Properties
| Property | Specification |
|---|---|
| Chemical Formula | C₆H₄(CN)₂ / C₈H₄N₂ |
| Appearance | White to off-white crystalline solid |
| Melting Point | ~139–140 °C |
| Solubility | Soluble in organic solvents; low in water |
| Functional Groups | Two nitrile (–CN) groups |
| Purity | ≥ 98% (typical) |
