Benzoyl Chloride CAS No. 98-88-4
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Category：Agrochemicals Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Benzoyl Chloride
CAS No.: 98-88-4 | EC No.: 202-710-8
1. Chemical Identification
| Property | Specification |
|---|---|
| IUPAC Name | Benzoyl chloride |
| Molecular Formula | C₇H₅ClO |
| Molecular Weight | 140.56 g/mol |
| Appearance | Clear colorless to pale yellow liquid |
| Density | 1.211 g/mL at 25°C |
| Melting Point | -1°C |
| Boiling Point | 197-198°C |
| Refractive Index | n<sup>20</sup><sub>D</sub> 1.553 |
| Flash Point | 72°C (closed cup) |
Synonyms:
Benzenecarbonyl chloride, Benzoic acid chloride
2. Key Applications
Polymer Industry
- Primary Use: Production of benzoyl peroxide (BPO) – widely used as:
✓ Polymerization initiator (PVC, polystyrene)
✓ Catalyst for polyester/epoxy resins
✓ Cross-linking agent for silicone rubber
Agrochemicals
- Herbicide Intermediate: Chlorphenazine synthesis
- Insecticide Production: Fenamide & hydrazine derivatives
Chemical Synthesis
- Versatile Reagent for:
✓ Benzoylation reactions
✓ Manufacturing benzophenone, benzyl benzoate
✓ Pharmaceutical intermediates
Other Uses
- Flour/fiber bleaching agent
- Glass fiber coagulant
3. Product Advantages
✔ High Reactivity – Effective benzoylating agent
✔ Process Flexibility – Compatible with multiple synthesis routes
✔ Industry Standard – Proven performance in polymer production
4. Physical & Chemical Properties
- Solubility:
- Reacts with water/alcohols
- Miscible with ether, benzene
- Vapor Pressure: 0.36 mmHg at 25°C
- Stability: Moisture-sensitive – store under anhydrous conditions
5. Handling & Storage
| Parameter | Requirement |
|---|---|
| Storage Temp | 2-8°C (refrigerated recommended) |
| Packaging | 25kg polyethylene-coated drums |
| Shelf Life | 12 months |
| Special Notes | Argon blanket recommended |
6. Safety Information
Danger!
- H314: Causes severe skin burns/eye damage
- H335: May cause respiratory irritation
- H290: May be corrosive to metals
Protective Measures:
- P280: Wear acid-resistant gloves/face shield
- P303+P361+P353: Skin contact wash procedure
- P305+P351+P338: Eye contact rinse protocol
7. Quality Specifications
- Purity: ≥99.0% (GC)
- Free Acid (as HCl): ≤0.5%
- Water Content: ≤0.1%
Disclaimer:
This information is for professional use only. Handling requires fume hood and corrosion-resistant equipment. Users must comply with local regulations for hazardous chemicals.
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