Chemical Property - Laboratory

Biphenyl Polarity Biphenyl Polarity Biphenyl (CAS 92-52-4) is nonpolar. C12H10 is symmetric, so its bond dipoles cancel and μ = 0 D exactly Dipole moment 0 D (exact by symmetry); dielectric constant ≈1.00636 (gas estimate). Covers geometry, comparison data, QC strategy and B2B.
Ferrocene Polarity Ferrocene Polarity Ferrocene (CAS 102-54-5) is an ionic substance for which a molecular dipole moment is not defined. It is ionic: polarity shows up as charge separation and hydration, not as a molecular dipole. Covers geometry, comparison data, QC strategy and B2B.
Iodine tetrafluoride ion Polarity Iodine tetrafluoride ion Polarity Iodine tetrafluoride ion (CAS 13780-58-0) is a molecular ion, for which "polar / nonpolar" is the wrong question. VSEPR gives 4 bonding domains and 2 lone pairs — symmetric, so μ = 0 D. Covers geometry, comparison data, QC strategy and B2B sourcing.
Valine Polarity Valine Polarity Valine (CAS 72-18-4) is polar. C5H11NO2 has a calculated dipole of about 1.33 D, which follows from its bent oxygen centre Snyder polarity index Not conventionally assigned; XlogP3-AA 0.05 (Crippen calculated, RDKit).
Aspartic acid Polarity Aspartic acid Polarity Aspartic acid (CAS 56-84-8) is polar. C4H7NO4 has a calculated dipole of about 1.76 D, which follows from its bent oxygen centre Snyder polarity index Not conventionally assigned; XlogP3-AA -1.13 (Crippen calculated, RDKit).
DMF (Dimethylformamide) Polarity DMF (Dimethylformamide) Polarity DMF (Dimethylformamide) (CAS 68-12-2) is polar. C3H7NO has a calculated dipole of about 3.96 D, which follows from its trigonal planar carbon centre Snyder polarity index Not conventionally assigned; XlogP3-AA -0.30 (Crippen calculated, RDKit).
Petroleum ether Polarity Petroleum ether Polarity Petroleum ether (CAS 8032-32-4) is a nonpolar material (no molecular dipole defined). It is nonpolar at the level of the repeat unit: It is a mixture of light alkanes; C–C bonds are nonpolar and C–H bonds barely polar, so the fraction b
Cetyl alcohol Polarity Cetyl alcohol Polarity Cetyl alcohol (CAS 36653-82-4) is polar. C16H34O has a calculated dipole of about 1.50 D, which follows from its bent oxygen centre Snyder polarity index Not conventionally assigned; XlogP3-AA 5.46 (Crippen calculated, RDKit).
Polyvinyl alcohol Polarity Polyvinyl alcohol Polarity Polyvinyl alcohol (CAS 9002-89-5) is a polar material (no molecular dipole defined). It is polar at the level of the repeat unit: Each repeat unit presents a hydroxyl group, so the polymer is polar and hydrogen-bonding; its water solub
MTBE (Methyl tert-butyl ether) Polarity MTBE (Methyl tert-butyl ether) Polarity MTBE (Methyl tert-butyl ether) (CAS 1634-04-4) is polar. C5H12O has a calculated dipole of about 1.32 D, which follows from its bent oxygen centre Snyder polarity index Not conventionally assigned; XlogP3-AA 1.43 (Crippen calculated, RDKit).

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