2,4-Dichlorobenzoyl chloride
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Category：Agrochemicals | Brand：MT
Introduction
2,4-Dichlorobenzoyl Chloride
Chemical Name: 2,4-Dichlorobenzoyl chloride
Synonyms: DCBC; 2,4-Dichlorobenzoic acid chloride
CAS Number: 89-75-8
Molecular Formula: C₇H₃Cl₃O
Molecular Weight: 209.45 g/mol
Physical & Chemical Properties
| Property | Value |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Odor | Pungent, irritating (lachrymatory) |
| Melting Point | 16-18°C (61-64°F) |
| Boiling Point | 254-256°C (489-493°F) |
| Density | 1.494 g/cm³ (25°C) |
| Refractive Index | 1.573 (20°C) |
| Vapor Pressure | 0.01 mmHg (20°C) |
| Solubility | Reacts with water; soluble in organic solvents |
Hazard & Safety Information (GHS)
Danger Symbols:
☠️ Toxic (T)
⚠️ Corrosive (C)
Hazard Statements:
• H302: Harmful if swallowed
• H314: Causes severe skin burns and eye damage
• H330: Fatal if inhaled
• H335: May cause respiratory irritation
• H411: Toxic to aquatic life
Precautionary Measures:
• P260: Do not breathe dust/fume/gas
• P280: Wear gloves/face shield/eye protection
• P303+P361+P353: IF ON SKIN: Remove clothing, rinse skin
• P305+P351+P338: IF IN EYES: Rinse cautiously
Chemical Behavior
• Reactivity:
- Violently reacts with water/alcohols (hydrolysis)
- Incompatible with bases, oxidizing agents
- Releases HCl gas on decomposition
• Stability: - Moisture-sensitive (store under inert gas)
- Light-sensitive (amber glass recommended)
Applications
✔ Key intermediate for:
- Herbicides (e.g., 2,4-D esters)
- Pharmaceuticals
- Dyes and pigments
✔ Acylating agent in organic synthesis
Disclaimer:
The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.
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