Quinaldine
Pharmaceutical Materials 2025-03-02
CAS Number: 91-63-4
Molecular Formula: C10H9N
Molecular Weight: 143.19 g/mol
Appearance: Colorless oil-like liquid
Melting Point: -2 to -1 °C
Boiling Point: 247 °C
Density: 1.0585 g/mL at 20/4 °C
Usage: Used as intermediates for dyes, pesticides, photographic sensitizers, etc.
| Category | Information |
|---|---|
| Basic Information | |
| Name | Quinaldine |
| Alias | 2-Methylquinoline, α-Methylquinoline, Chinaldine, Quinine |
| Chemical Formula | C10H9N |
| Molecular Weight | 143.19 g/mol |
| CAS Number | 91-63-4 |
| EINECS Number | 202-085-1 |
| Physical Properties | |
| Appearance | Colorless or pale yellow oily liquid with a quinoline odor, turns reddish-brown upon exposure to air |
| Melting Point | -2 to -1 °C |
| Boiling Point | 246.5 to 247 °C |
| Density | 1.0585 to 1.1 g/cm³ |
| Refractive Index | 1.6116 |
| Solubility | Practically insoluble in water, soluble in ethanol, ether, acetone, and chloroform |
| Chemical Properties | |
| Chemical Structure | Aromatic heterocyclic compound with a quinoline ring and a methyl group at the 2-position |
| pH | Not available |
| Stability | Stable under normal conditions, but may be light-sensitive and turn reddish-brown upon exposure to air |
| Safety Information | |
| Risk Categories | Toxic |
| Health Hazards | Irritating to skin, eyes, mucous membranes, and the upper respiratory tract. Chronic exposure may have mutagenic effects. |
| Fire and Explosion Hazards | Flammable. May react with strong oxidizing agents. |
| Applications | |
| Uses | Used in the manufacture of color film alkalizers, photographic sensitizers, rubber vulcanization accelerators, lubricant antioxidants, insecticides, bactericides, and dyes. Also used in organic synthesis and as a solvent. |
| Handling and Storage | |
| Storage Conditions | Store in a cool, dry, well-ventilated place away from heat, sparks, and open flames. Keep container tightly closed and away from oxidizing agents and acids. |
| Handling Precautions | Handle with care. Avoid contact with skin, eyes, and clothing. Wear appropriate personal protective equipment. Use in a well-ventilated area. |
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