2,4-Dimethylphenol
Agrochemicals 2025-03-02
2,4-Dimethylphenol
Chemical Name: 2,4-Dimethylphenol
Synonyms: m-Xylenol; 1-Hydroxy-2,4-dimethylbenzene
CAS Number: 105-67-9
Molecular Formula: C₈H₁₀O
Molecular Weight: 122.16 g/mol
Physical & Chemical Properties
| Property | Specification |
|---|---|
| Appearance | White to pink crystalline solid |
| Odor | Phenolic, medicinal |
| Melting Point | 24-26°C (75-79°F) |
| Boiling Point | 210-211°C (410-412°F) |
| Density | 1.036 g/cm³ (20°C) |
| Flash Point | 94°C (201°F) |
| Solubility | Slightly soluble in water (3.5 g/L); soluble in ethanol, ether |
| pKa | 10.6 (weak acid) |
Hazard & Safety Information (GHS)
Classification:
- Acute Toxicity 4 (Oral)
- Skin Corrosion/Irritation 2
- Serious Eye Damage 1
Hazard Codes:
• H302: Harmful if swallowed
• H315: Causes skin irritation
• H318: Causes serious eye damage
• H411: Toxic to aquatic life
Precautionary Measures:
• P280: Wear gloves/eye protection
• P305+P351+P338: Eye contact rinse procedure
• P310: Immediate medical attention if ingested
Chemical Behavior
• Reactivity:
- Forms salts with bases (e.g., NaOH)
- Reacts with formaldehyde (condensation)
- Oxidizes slowly in air (darkens)
• Stability: Stable under normal conditions
Applications
✔ Disinfectant formulations
✔ Resin production (bakelite)
✔ Antioxidant in rubber/plastics
✔ Pharmaceutical intermediate
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