3-Aminobiphenyl

## 3-Aminobiphenyl (CAS 2243-47-2): Key Functions and Uses

1. **Aromatic Amine Building Block**
3-Aminobiphenyl, also known as **[1,1′-biphenyl]-3-amine or 3-biphenylamine**, is an aromatic amine used mainly as a specialized intermediate in organic synthesis and chemical research.

2. **Intermediate for Organic Synthesis**
Its amino group and biphenyl structure provide useful sites for further chemical modification. Researchers can use 3-Aminobiphenyl to prepare substituted aromatic compounds, heterocycles, functional intermediates, and advanced molecular building blocks.

3. **Azo Dye and Pigment Research**
3-Aminobiphenyl can serve as an intermediate in the preparation of azo dyes and related color chemicals. Its aromatic amine group can participate in diazotization and coupling reactions to construct colored organic molecules.

4. **Pharmaceutical and Medicinal Chemistry Research**
CAS 2243-47-2 may be used in pharmaceutical discovery, compound-library synthesis, structure–activity relationship studies, and the preparation of aromatic research intermediates. It should not be described as an active pharmaceutical ingredient unless a specific approved application is documented.

5. **Materials and Polymer Chemistry**
The biphenyl framework can support research into functional polymers, aromatic materials, organic semiconductors, coatings, and other advanced molecular systems. Researchers may modify the amino group to tune solubility, reactivity, thermal behavior, and electronic properties.

6. **Cross-Coupling and Functionalization Studies**
3-Aminobiphenyl is relevant to aromatic substitution, amide or urea formation, reductive amination, diazonium chemistry, and selected cross-coupling workflows. These reactions help introduce the biphenylamine motif into more complex target structures.

7. **Analytical and Reference Applications**
The compound may be used as a research reference, chromatographic standard, or analytical target in HPLC, GC, LC–MS, and spectroscopic studies. Buyers should verify purity, concentration, solvent, certificate of analysis, and intended analytical grade.

8. **Quality, Procurement, and Strict Safety Notice**
When sourcing 3-Aminobiphenyl 2243-47-2, buyers should check purity, isomer identity, residual solvents, packaging, storage requirements, and regulatory documentation. Useful SEO keywords include **3-Aminobiphenyl, 3-Biphenylamine, [1,1′-Biphenyl]-3-amine, CAS 2243-47-2, aromatic amine intermediate, azo dye intermediate, pharmaceutical research chemical, and organic synthesis building block**. **3-Aminobiphenyl is associated with serious health hazards, including carcinogenicity concerns.** It must be handled only by trained professionals using appropriate containment, exposure controls, waste procedures, the supplier’s Safety Data Sheet, and applicable regulations.