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Laboratory
Discover Guideview's Lab&Science articles! Stay informed about the latest news, policies, and scientific insights relevant to the chemistry.
HOT Topics
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Dithionite ion Polarity
Dithionite ion
Polarity
Dithionite ion (CAS 14844-07-6) is a molecular ion, for which "polar / nonpolar" is the wrong question. Its polarity follows from structure and symmetry rather than from a calculated dipole. Covers geometry, comparison data, QC strategy and B2B.
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Rubidium oxide Polarity
Rubidium oxide
Polarity
Rubidium oxide (CAS 1803-80-7) 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.
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Polyethylene Polarity
Polyethylene
Polarity
Polyethylene (CAS 9002-88-4) is a nonpolar material (no molecular dipole defined). It is nonpolar at the level of the repeat unit: The repeat unit contains only C–C and C–H bonds; there is no polar group and no hydrogen-bond donor or
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Trisulfide ion Polarity
Trisulfide ion
Polarity
Trisulfide ion (CAS 4362-04-7) is a molecular ion, for which "polar / nonpolar" is the wrong question. Its polarity follows from structure and symmetry rather than from a calculated dipole. Covers geometry, comparison data, QC strategy and B2B.
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Piperine Polarity
Piperine
Polarity
Piperine (CAS 94-62-2) is polar. C17H19NO3 has a calculated dipole of about 3.46 D, which follows from its bent oxygen centre Snyder polarity index Not conventionally assigned; XlogP3-AA 3.00 (Crippen calculated, RDKit).
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Paraffin wax Polarity
Paraffin wax
Polarity
Paraffin wax (CAS 8002-74-2) is a nonpolar material (no molecular dipole defined). It is nonpolar at the level of the repeat unit: The repeat motif is –CH2– with no polar group, so the wax is nonpolar and hydrophobic; the individual
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Peroxynitrite ion Polarity
Peroxynitrite ion
Polarity
Peroxynitrite ion (CAS 15637-27-5) is a molecular ion, for which "polar / nonpolar" is the wrong question. Its polarity follows from structure and symmetry rather than from a calculated dipole. Covers geometry, comparison data, QC strategy and B2B.
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Sodium phosphide Polarity
Sodium phosphide
Polarity
Sodium phosphide (CAS 12058-85-4) 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.
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