Pharmaceutical Materials

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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