5-Ethyl-2-methylpyridine
Pharmaceutical Materials 2025-03-02
CAS Number: 104-90-5
Molecular Formula: C8H11N
Molecular Weight: 121.18 g/mol
Appearance: Colorless liquid
Usage: Mainly used in the preparation of nicotinic acid, nicotinamide, isoniazid, nikethamide, etc., and also widely used as additives in synthetic food and feed.
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| Category | Details |
|---|---|
| Chemical Name | 5-Ethyl-2-methylpyridine |
| CAS Number | 10472-00-4 |
| Molecular Formula | C8H11N |
| Molecular Weight | 121.18 g/mol |
| Appearance | Colorless to light yellow liquid with a pungent odor |
| Density | 0.91 g/mL at 25 °C |
| Boiling Point | 165-167 °C (760 mmHg) |
| Flash Point | 52.2 °C |
| Refractive Index | 1.497-1.499 at 20 °C |
| Solubility | Soluble in organic solvents such as ethanol, ether, and benzene. Slightly soluble in water. |
| Uses | Used as an intermediate in the synthesis of pesticides, pharmaceuticals, and dyes. Also used as a solvent and a flavoring agent. |
| Chemical Properties | Aromatic heterocyclic compound with a pyridine ring. Reactive towards electrophiles and nucleophiles. |
| Stability | Stable under normal conditions. Incompatible with oxidizing agents and strong acids. |
| Hazard Statements | May cause irritation to eyes, skin, and respiratory tract. Harmful if swallowed. |
| Precautionary Statements | Wear appropriate protective clothing and gloves. Keep away from heat, sparks, and open flames. Avoid contact with eyes, skin, and clothing. Store in a cool, dry place. |
