4-Amino-p-terphenyl

CAS: 7293-45-0

Category: Organic Intermediates

PurityResearch Grade ≥98%; High-Purity Grade ≥99%; Electronic Grade ≥99%
Molecular FormulaC18H15N
Molecular Weight245.32
AppearanceWhite to pale yellow crystalline powder
Packaging1 g, 5 g, 10 g, 25 g, 100 g amber glass bottle or aluminum foil bag
Testing IndicatorsAppearance — Visual inspection; Identification — FTIR spectroscopy and 1H NMR, 13C NMR; Molecular weight — LC-MS or GC-MS; Purity — HPLC (UV) and GC-FID; Amine content — titration or elemental analysis; Melting point — Capillary melting point method; Water content — Karl Fischer titration (GB/T 6283); Residual solvents — GC (ICH Q3C); Elemental analysis — CHN analyzer.
Storage NotesStore in a tightly sealed container in a cool, dry, well-ventilated place. Protect from moisture, oxygen, and direct sunlight. For long-term storage, keep under nitrogen or argon at 2–8°C. Avoid exposure to strong oxidizing agents and acidic conditions.
Lead Time10 days
Used as an aromatic amine intermediate in organic synthesis. Commonly applied in the preparation of fluorescent materials, OLED and organic semiconductor materials, liquid crystal compounds, photoelectric functional molecules, dyes, and other advanced aromatic structures. Also used as a building block in materials chemistry and medicinal chemistry research.