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Understanding the correct chemical formula of 4-Fluoroaniline is critical in scientific research, chemical manufacturing, and product formulation. Misidentifying its molecular structure can lead to synthesis errors, incorrect labeling, or safety issues. Fortunately, the molecular formula of 4-Fluoroaniline is simple and well-defined.
The chemical formula of 4-Fluoroaniline is C₆H₆FN, which represents a benzene ring substituted with a fluorine atom at the para position and an amino group.
Knowing the formula is only the first step. It provides the molecular basis for understanding the compound’s reactivity, toxicity, regulatory classification, and industrial uses.
What Does the Chemical Structure of 4-Fluoroaniline Look Like?
4-Fluoroaniline is an aromatic amine, specifically an aniline derivative with a fluorine atom substituted at the para (4-) position of the benzene ring. This substitution pattern significantly affects its electronic and reactive properties.
Key Structural Features:
- Aromatic ring: Core structure with six carbon atoms.
- Amino group (–NH₂): Electron-donating group at position 1.
- Fluorine (–F): Electron-withdrawing group at position 4.
| Structural Aspect | Description | Chemical Impact |
|---|---|---|
| Benzene ring | Six-carbon aromatic ring | Stable and planar electron system |
| Amino group (–NH₂) | Positioned at C1 | Nucleophilic center, promotes substitution |
| Fluorine (–F) | Positioned at C4 (para to NH₂) | Electron-withdrawing, alters reactivity |
How Does the Formula C₆H₆FN Relate to Its Physical and Chemical Properties?
The formula C₆H₆FN reveals not just the atom count, but also predicts the behavior of the compound in synthesis and applications. The molecular weight, boiling point, and polarity are all derived from this formula.
Derived Physical Properties:
- Molecular weight: \~111.12 g/mol
- Boiling point: \~182–184 °C
- Melting point: \~20–23 °C
- Polarity: Moderate (due to –NH₂ and –F groups)
| Property | Value | Relevance |
|---|---|---|
| Molecular Weight | 111.12 g/mol | Essential for stoichiometry and safety sheets |
| Boiling Point | 182–184 °C | Impacts distillation and purification processes |
| Solubility | Slightly soluble in water | Influences formulation and waste handling |
| Dipole Moment | Moderate | Affects reactivity and solvent compatibility |
Why Is Knowing the Formula of 4-Fluoroaniline Important in Industry?
Chemical formulas like C₆H₆FN are foundational data for various industrial processes:
- Material Safety Data Sheets (MSDS): Regulatory documents must list the correct molecular formula.
- Reaction Stoichiometry: Ensures correct molar ratios in synthesis.
- Labeling and Logistics: Accurate formula is vital for compliance during transport.
- Quality Control and Analysis: Used in NMR, GC-MS, and IR spectral interpretation.
| Industrial Application | Use of Chemical Formula | Importance |
|---|---|---|
| Regulatory compliance (REACH) | Required for registration | Ensures safety and legality of import/export |
| QC and purity tests | Formula used in spectral comparison | Identifies impurities or by-products |
| Chemical synthesis | Base for calculating molar masses | Enables accurate reaction planning |
| Inventory tracking | Formula-based SKU identification | Supports efficient supply chain management |
Conclusion
The chemical formula of 4-Fluoroaniline—C₆H₆FN—may look simple, but it underpins everything from reactivity to regulatory compliance. Whether you’re formulating new compounds or sourcing specialty chemicals, this molecular data is essential for accuracy and safety.
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