2-Methoxy-5-methylaniline
Pharmaceutical Materials 2025-03-02
CAS Number: 120-71-8
Molecular Formula: C8H11NO
Molecular Weight: 137.18 g/mol
Appearance: Yellow to brown crystalline powder
Melting Point: 50-52 °C
Boiling Point: 235 °C
Usage: Primarily used as a dye intermediate.
| Attribute | Details |
|---|---|
| Name | 2-Methoxy-5-methylaniline |
| CAS Number | 107-30-2 |
| Synonyms | 3-Amino-6-methylphenol, 2-Methoxy-5-methylbenzenamine, 6-Methoxy-m-toluidine, O-Anisidine, 2-Methoxy-5-aminotoluene |
| Molecular Formula | C8H11NO |
| Molecular Weight | 137.18 g/mol |
| Appearance | Colorless to pale yellow crystalline solid with a faint aromatic odor |
| Physical Properties | |
| – Density | 1.07 g/mL at 25°C |
| – Melting Point | 41-43°C |
| – Boiling Point | 243°C |
| – Flash Point | 103°C |
| – Refractive Index | 1.557 (at 20°C) |
| Solubility | Soluble in water, ethanol, ether, and acetone |
| Chemical Properties | Reactive; contains an amino group and a methoxy group, which can undergo substitution, condensation, and oxidation reactions. |
| Uses | Used as an intermediate in the synthesis of dyes, pigments, and pharmaceuticals. Also used in the preparation of azo dyes and other organic compounds. |
| Hazard Information | Harmful; may cause skin irritation and serious eye damage. May be harmful if swallowed or inhaled. Flammable; keep away from heat, sparks, and open flames. |
| Precautions | Store in a cool, dry, and well-ventilated place. Keep away from oxidants, acids, and incompatible materials. Wear appropriate protective clothing, gloves, and eye/face protection. Handle with caution and avoid contact with skin and eyes. |
| 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. In case of fire, use dry chemical, carbon dioxide, or foam extinguishers. |
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