4-Bromo-p-terphenyl
CAS: 1762-84-1
Category: Organic Intermediates
| Purity | Research Grade ≥98%; High-Purity Grade ≥99%; Electronic Grade ≥99% |
| Molecular Formula | C18H13Br |
| Molecular Weight | 309.20 |
| Appearance | White to light yellow crystalline powder |
| Packaging | 1 g, 5 g, 10 g, 25 g, 100 g amber glass bottle or aluminum foil bag |
| Testing Indicators | Appearance — Visual inspection; Identification — FTIR spectroscopy and 1H NMR, 13C NMR; Molecular weight — GC-MS or LC-MS; Purity — HPLC (UV) and GC-FID; Bromine content — ICP-OES or elemental analysis; Melting point — Capillary melting point method; Residual solvents — GC (ICH Q3C); Water content — Karl Fischer titration (GB/T 6283); Elemental analysis — CHN analyzer. |
| Storage Notes | Store in a tightly sealed container in a cool, dry, well-ventilated place. Protect from direct sunlight, moisture, and heat. For long-term storage, keep under nitrogen or argon at 2–8°C. Avoid contact with strong oxidizing agents. |
| Lead Time | 10 days |
Used as a brominated aromatic intermediate in organic synthesis. Commonly applied as a building block for Suzuki-Miyaura cross-coupling reactions, preparation of OLED materials, organic semiconductors, liquid crystal compounds, fluorescent materials, and advanced functional aromatic molecules. Also used in materials chemistry and pharmaceutical intermediate research.