4-Bromobiphenyl CAS No.92-66-0
Agrochemicals 2025-03-02
4-Bromobiphenyl (CAS No. 92-66-0)
1. Basic Information
- Chemical Name: 4-Bromobiphenyl
- Synonyms: p-Bromobiphenyl; 1-Bromo-4-phenylbenzene
- CAS Number: 92-66-0
- Molecular Formula: C₁₂H₉Br
- Molecular Weight: 233.10 g/mol
- Appearance: White to off-white crystalline solid
- Odor: Faint aromatic odor
2. Physical and Chemical Properties
| Property | Value |
|---|---|
| Melting Point | 89–92°C (192–198°F) |
| Boiling Point | 310–312°C (590–594°F) |
| Density | 1.41 g/cm³ (at 20°C) |
| Solubility | – Water: Insoluble |
| – Organic solvents: Soluble in ethanol, ether, benzene | |
| Flash Point | >110°C (230°F) (closed cup) |
| Vapor Pressure | 0.001 mmHg at 25°C |
3. Hazards (GHS Classification)
- Acute Toxicity: Harmful if swallowed (H302)
- Skin Irritation: May cause mild irritation (H315)
- Eye Irritation: Causes eye irritation (H319)
- Environmental Hazards: Toxic to aquatic life (H411)
- NFPA Rating: Health 2, Flammability 1, Reactivity 0
4. Storage and Handling
- Storage:
- Keep in a tightly sealed container
- Store in a cool, dry place away from light
- Handling:
- Use nitrile gloves and safety goggles
- Avoid dust formation (use local exhaust if needed)
5. Applications
- Organic Synthesis: Intermediate for pharmaceuticals & agrochemicals
- Liquid Crystals: Precursor for electronic materials
- Research: Used in cross-coupling reactions (Suzuki, etc.)
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