Non-Polar — Definition, Formula, Properties & Uses | AllChemicals | AllChemicals

Q: What is the formula for Non-Polar?

The formula or notation for Non-Polar is: Non-polar: Δχ < 0.4 (or 0.5); μ ≈ 0; e.g., CH₄, CCl₄, Br₂

Formula / Notation	Non-polar: Δχ < 0.4 (or 0.5); μ ≈ 0; e.g., CH₄, CCl₄, Br₂
Also Known As	Nonpolar molecule, apolar compound, nonpolar substance

What is Non-Polar?

Describes molecules or bonds with no net dipole moment. In nonpolar molecules, electrons are shared equally between atoms or the dipoles cancel out due to molecular symmetry. Nonpolar molecules dissolve well in nonpolar solvents and do not dissolve readily in water.

Formula & Notation

Non-polar: Δχ < 0.4 (or 0.5); μ ≈ 0; e.g., CH₄, CCl₄, Br₂

Other Names / Synonyms: Nonpolar molecule, apolar compound, nonpolar substance

Properties & Characteristics

A non-polar substance has negligible or zero net dipole moment, either because its bonds are essentially non-polar (ΔEN < 0.4-0.5) or because the bond dipoles cancel due to molecular symmetry (e.g., CCl₄: four C-Cl dipoles cancel due to tetrahedral symmetry; CO₂: two C=O dipoles cancel in linear geometry). Non-polar molecules are held together only by London dispersion forces and are generally insoluble in water but soluble in non-polar organic solvents.

Uses & Applications

Non-polar characteristics determine: solubility (non-polar compounds dissolve in non-polar solvents — used in liquid-liquid extraction with hexane, DCM, ether), chromatographic behaviour (retained longer on non-polar stationary phases in reversed-phase HPLC), membrane permeability (non-polar drugs cross biological membranes readily), and fire risk (many non-polar organics are highly flammable).

Safety Information

Non-polar organic solvents (hexane, cyclohexane, petroleum ether) are highly flammable and toxic to the nervous system (hexane causes peripheral neuropathy via 2-hexanone metabolite). Non-polar compounds bioaccumulate in fatty tissue (PCBs, dioxins). Ensure adequate ventilation and fire prevention when working with non-polar organic solvents.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Non-Polar

Formula Non-polar: Δχ < 0.4 (or 0.5); μ ≈ 0; e.g., CH₄, CCl₄, Br₂

Index All "N" terms

Synonyms Nonpolar molecule, apolar compound, nonpolar substance

Frequently Asked Questions

What is Non-Polar?

Describes molecules or bonds with no net dipole moment. In nonpolar molecules, electrons are shared equally between atoms or the dipoles cancel out due to molecular symmetry. Nonpolar molecules dissolve well in nonpolar solvents and do not dissolve readily in water.

What is Non-Polar used for?

Is Non-Polar hazardous?

What is the formula for Non-Polar?

More "N" Terms

N-type Semiconductor Nanotechnology Native State Natural Abundance Natural Radioactivity Negative Catalyst Neodymium Nd Neon Ne Neptunium Np Nernst Equation Nernst Equation E = E° − (RT/nF)lnQ; at 25°C: E = E° − (0.0592/n)log Q Net Ionic Equation

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