2-Methylbenzenethiol
Pharmaceutical Materials 2025-03-02
CAS Number: 137-06-4
Molecular Formula: C7H8S
Molecular Weight: 124.2 g/mol
Appearance: Clear colorless to pale yellow liquid
Boiling Point: 194-195 °C
Melting Point: 10-15 °C
Density: 1.054 g/mL at 25 °C
Usage: Used as a pharmaceutical intermediate.
| Category | Information |
|---|---|
| Basic Information | |
| Chemical Name | 2-Methylbenzenethiol |
| Synonyms | o-Toluenethiol; o-Methylphenylthiol; o-Thiocresol; 2-Thiocresol; 2-Mercaptotoluene; 2-Methylthiophenol; 2-Sulfanyltoluene; Neighbor-Methylphenyl Mercaptan |
| CAS Number | 137-06-4 |
| Molecular Formula | C7H8S |
| Molecular Weight | 124.203 g/mol |
| Physical Properties | |
| Appearance | Brown transparent liquid (may also appear as a light yellow to white oily liquid or leaf-like crystals in solid state) |
| Melting Point | 10~14 °C |
| Boiling Point | 194~195 °C |
| Density | 1.054 g/cm³ or 1.0±0.1 g/cm³ |
| Flash Point | 63~63.9 °C |
| Refractive Index | 1.5780 |
| Solubility | Insoluble in water, soluble in ethanol, freely soluble in ether |
| Vapor Pressure | 0.6±0.3 mmHg at 25°C |
| Safety Information | |
| Hazard Symbols | Xn: Harmful |
| Risk Phrases | R20/21/22; R36/37/38 |
| Safety Phrases | S26; S36/37/39 |
| Storage Conditions | Store in a cool, dry, and well-ventilated place. Protect from sunlight and moisture. Handle with care to avoid damaging packaging. |
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