3,5-Dimethylbenzoyl chloride
Agrochemicals 2025-03-02
3,5-Dimethylbenzoyl Chloride
Chemical Name: 3,5-Dimethylbenzoyl chloride
Synonyms: m-Xyloyl chloride
CAS Number: 6613-44-1
Molecular Formula: C₉H₉ClO
Molecular Weight: 168.62 g/mol
Physical & Chemical Properties
| Property | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Odor | Pungent, lachrymatory |
| Melting Point | 12-14°C |
| Boiling Point | 235-237°C |
| Density | 1.142 g/cm³ (25°C) |
| Refractive Index | 1.543 (20°C) |
| Vapor Pressure | 0.05 mmHg (25°C) |
| Solubility | Decomposes in water; soluble in organic solvents |
Hazard & Safety Information (GHS)
Classification:
- Acute Toxicity 4 (Oral)
- Skin Corrosion 1B
- Eye Damage 1
Hazard Codes:
• H302: Harmful if swallowed
• H314: Causes severe skin burns and eye damage
• H335: May cause respiratory irritation
Precautionary Statements:
• P280: Wear protective gloves/eye protection
• P305+P351+P338: IF IN EYES: Rinse cautiously
• P310: Immediately call poison center
Chemical Reactivity
• Reacts violently with:
- Water/alcohols (hydrolysis)
- Bases/amines (exothermic reactions)
• Moisture-sensitive (store under N₂)
• Light-sensitive (use amber glass)
Applications
✔ Pharmaceutical intermediate
✔ Organic synthesis (acylation agent)
✔ Photoinitiator production
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