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Lithium chlorite Polarity

Lithium chlorite (CAS 13823-47-3) 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. Vaughan6 MIN READOctober 8, 2026
Reviewed by: Guidechem Scientific Editorial Board
Standards: IUPAC & PubChem Guidelines  |  Updated: 2026

Is LiClO2 (Lithium chlorite) Polar or Nonpolar? Molecular Polarity & Structure Analysis

Lithium chlorite Polarity Cover
LiClO2 (Lithium chlorite) is ionic. It is not meaningfully described as "polar" or "nonpolar" at the level of a single molecule: the substance consists of separated ions, so charge separation and hydration — not a molecular dipole — govern how it behaves. The dipole value tabulated for a single ion pair is origin-dependent and is reported below only as a calculated reference number.

2D Lewis Structure of Lithium chlorite (LiClO2)
Figure 1: 2D Lewis Structure (LiClO 2; bent chlorine centre)

Polarity Parameters of LiClO2

CAS Registry Number 13823-47-3
Molecular Formula LiClO2
Molecular Weight 74.4 g/mol
Valence Electrons 20
Lewis Structure Guide View LiClO2 Lewis Structure Guide
Dipole Moment (μ) Not defined — ionic / multi-component substance; polarity is described through ionicity and solvation rather than a molecular dipole
Dielectric Constant (εr) Not quoted — the Debye estimate would inherit a dipole that this method does not deliver reliably for this class of compound
Snyder Polarity Index (P′) Not conventionally assigned
XlogP3-AA Not computed (Crippen parameters do not cover every element here) (computed descriptor)
Note: Snyder P′ is a chromatographic solvent scale developed for conventional liquid solvents; the value shown for the dipole is a single-ion-pair calculation about the centre of mass and is origin-dependent for a charged species; XlogP is a calculated partition descriptor, not a direct measure of solvent polarity.

1. Molecular Polarity Analysis of Lithium chlorite: Geometry & Dipole Vector

To determine whether Lithium chlorite (LiClO2) is polar or nonpolar, the decisive question is whether the bond dipoles of the molecule cancel once its three-dimensional shape is taken into account. Lithium chlorite is an inorganic compound. As set out in the LiClO2 Lewis Structure Guide, LiClO2 has 3 heavy atoms.

The bond polarities follow from electronegativity. The largest differences in the structure are Cl–O (ΔEN ≈ 0.28), so electron density is pulled toward oxygen. In three dimensions, the chlorine centre is bent; the 2 non-bonding pairs on chlorine compress the X–Cl–X angle below the tetrahedral value. Because the substance separates into ions, the molecule is polar but the magnitude of its dipole is not quoted here, because the species is ionic or carries a net charge, so the dipole depends on the choice of origin and is not a molecular constant.

For formulation and process work, the useful consequences are these: the calculated topological polar surface area is 46.1 Ų, 0 hydrogen-bond donors and 2 hydrogen-bond acceptors and the Crippen partition coefficient is not quoted, because the parameter set does not cover every element in the molecule.

Valence-electron check: Counting valence electrons from the formula: oxygen contributes 2 × 6 = 12, chlorine contributes 1 × 7 = 7 and lithium contributes 1 × 1 = 1, giving 12 + 7 + 1 = 20 valence electrons.

2. Lithium chlorite: Industrial Use, Handling and Specification

Lithium chlorite (CAS 13823-47-3) is an inorganic compound, supplied as an industrial chemical. Its polarity matters for the same reason it matters for any substance of this class: it decides which phases the material will enter, how strongly it adsorbs onto polar surfaces, and how much energy a separation will cost.

No fully curated experimental solubility or density value was retrieved for this substance from the public record used here, so the discussion below stays with calculated descriptors rather than quoting a measurement that cannot be verified. On those descriptors the compound presents 46.1 Ų of polar surface area with 2 hydrogen-bond sites.

No dilute-gas permittivity is reported here: the Debye estimate would have to inherit a dipole moment that this method does not deliver reliably for this class of compound (the species is ionic or carries a net charge, so the dipole depends on the choice of origin and is not a molecular constant), and for an ionic substance the equation does not apply at all.

The structure carries no strongly polar functional group, so the intermolecular forces are dominated by dispersion rather than by dipole–dipole attraction or hydrogen bonding.

No GHS hazard statements were retrieved for this substance from the public record used here, so no classification is asserted. The applicable classification must be taken from the supplier’s safety data sheet and from the ECHA or OSHA/NIOSH tables for CAS 13823-47-3.

Industrial Sourcing & Compliance Insight: For Lithium chlorite, the commercially relevant specification is assay, grade, water content and the impurity profile declared on the certificate of analysis, together with the packaging and transport class required for the destination market. Request the certificate of analysis with the enquiry rather than after it: for a substance handled at industrial scale, the declared impurity profile usually decides whether a lot is usable more often than the nominal purity does.

Recommended Analytical Quality-Control Strategy

  • Identity confirmation: FTIR or Raman against a reference spectrum, supported by GC–MS or LC–MS where the compound is amenable; this is the fastest way to catch a mis-labelled lot.
  • Assay / purity: GC-FID or GC-MS for volatile material, HPLC with a validated detector for non-volatile or thermally labile material; state the basis (area %, assay on dried substance, or titrimetric) on the certificate of analysis.
  • Water content: Karl Fischer titration is the default for a substance whose polarity and hydrogen-bonding capacity make it hygroscopic; moisture is the single most common cause of out-of-specification lots.
  • Inorganic / ionic content: ion chromatography or ICP-OES for the counter-ion and for trace metals; for salts the counter-ion stoichiometry is part of the assay, not an afterthought.
  • Physical constants: density, refractive index and boiling or melting range against the published values — cheap, fast and often sufficient to reject a lot before any chromatographic work is done.

In short, specify Lithium chlorite by assay, water content, impurity profile, packaging and transport class, and state the intended application on the enquiry. The polarity analysis above explains behaviour in use; it does not replace a specification.

3. Polarity Comparison: LiClO2 and Related Industrial Fluids

The comparison below places LiClO2 next to structurally related substances from the same catalogue. Dipole moments come from one consistent protocol (GFN2-xTB//MMFF94, gas phase, single conformer) and are quoted only where that protocol has been validated; where it has not, the cell says so instead of giving a number. Permittivities are dilute-gas estimates from the Debye equation, logP values are Crippen calculations, and the solubility column is a qualitative inference from the calculated descriptors rather than a measurement.

Compound Dipole Moment Approx. Gas εr log P / XlogP Water Solubility Behavior Industrial Sourcing
LiClO2 non-zero, not quoted — — Dissolves by dissociation; ionic hydration dominates See supply listing
Cl2O non-zero, not quoted — logP ≈ 1.31 Moderate (inferred from logP) See supply listing
CH3ClO ≈1.48 D (calc.) ≈1.0091 logP ≈ 0.79 Moderate (inferred from logP) See supply listing
HClO2 ≈3.51–5.48 D (conformers) — logP ≈ -1.75 High (polar, H-bonding; inferred) See supply listing
ClNO non-zero, not quoted — logP ≈ 0.91 Moderate (inferred from logP) See supply listing

The spread across this table is the point: composition alone does not set the polarity verdict. LiClO2 sits where it does because of the balance between weak dispersion forces and the asymmetry of its shape, and any of the neighbouring entries can be the better choice once the temperature, the phase and the required polarity window are fixed.

4. Expert R&D Commentary

Expert Chemical Commentary
“LiClO 2 is an ionic substance, so the useful question is not "polar or nonpolar" but how the charge is distributed and how strongly the ions are hydrated. No calculated partition coefficient is quoted, because the Crippen parameter set does not cover every element in the molecule.”

5. Regulatory, Safety & Sustainability Trends

Regulatory status is specific to the substance and to the jurisdiction, and it changes. For CAS 13823-47-3 the authoritative public sources are the ECHA registered-substance database for the EU, and the OSHA and NIOSH tables for occupational exposure in the United States.

No GHS hazard statements for this substance were retrieved from the public database used to build this article, so none are asserted here. Treat the absence of a quoted classification as an instruction to check the supplier’s safety data sheet, not as evidence that the substance is harmless.

No occupational exposure limit for this substance is quoted in this article, because none was present in the database record used here. Publishing a limit that is not on the record would be worse than publishing none: obtain the applicable value from the OSHA Z-table, the NIOSH pocket guide or the equivalent national instrument before designing the ventilation or monitoring programme.

From a compliance and sustainability standpoint, the polarity of LiClO2 is a means rather than an end. It determines which solvent can replace another, how completely the substance can be recovered from a stream, and how much energy the separation will cost — so it belongs in the process justification, while the hazard classification and the exposure limits belong in the safety case.

6. Guidechem's Procurement Tips: What to Specify for Lithium chlorite

A purchase enquiry for Lithium chlorite (CAS 13823-47-3) should state the grade, assay basis, permitted impurity limits, water content, packaging, and the transport and regulatory status required for the destination market. Where the substance is used as a reagent or intermediate, the impurity profile usually matters more than the nominal percentage.

Because polarity governs phase behaviour, it also governs recovery: a polar molecule is easier to strip from a non-polar stream and harder to dry than a non-polar one, and vice versa. Confirm the Guidechem supply listing for current availability and compare lots on the certificate of analysis rather than on the label alone.

Industrial Engineering & Sourcing Specifications

Looking for commercial bulk supplies or technical documentation for Lithium chlorite (CAS 13823-47-3)?

Frequently Asked Questions (FAQs)

Is Lithium chlorite polar or nonpolar?

Lithium chlorite is polar. The bond dipoles do not cancel, so the molecule is polar, but no magnitude is quoted because the species is ionic or carries a net charge, so the dipole depends on the choice of origin and is not a molecular constant.

Why is no dipole moment quoted for Lithium chlorite?

The species is ionic or carries a net charge, so the dipole depends on the choice of origin and is not a molecular constant. Rather than publish a number that would be misleading, the article argues the polarity from structure and symmetry; the literature value can be looked up in the NIST or CRC tables if a number is required.

How does the molecular geometry decide the answer?

The chlorine centre is bent; the 2 non-bonding pairs on chlorine compress the X–Cl–X angle below the tetrahedral value. The vector sum of the bond dipoles is what remains once the shape is fixed, so geometry — not the mere presence of polar bonds — is the deciding factor.

What is the dielectric constant of Lithium chlorite?

No permittivity is quoted: the Debye dilute-gas equation does not apply to a charged species.

Does Lithium chlorite have a Snyder polarity index?

Not in routine tabulations. Snyder P′ was developed for conventional liquid chromatographic solvents, and this substance is outside the scope of that scale. Dipole moment, calculated logP and hydrogen-bond counts are the descriptors used here instead.

How does Lithium chlorite behave toward water?

No measured solubility value was retrieved for this substance, so only an inference is offered: with 0 hydrogen-bond donors and 2 acceptors, the expected behaviour is Dissolves by dissociation; ionic hydration dominates. No calculated partition coefficient is quoted, because the Crippen parameter set does not cover every element in the molecule.

What should be checked before buying Lithium chlorite?

Grade, assay basis, water content, the declared impurity profile, packaging and the transport classification, plus the regulatory status required for the destination market. Confirm the hazard classification from the supplier’s safety data sheet, since none is asserted here.

References & Academic Databases

  1. PubChem Compound Summary: Lithium chlorite, CAS RN 13823-47-3, CID 23669247. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov
  2. ECHA Substance Information: Lithium chlorite, CAS 13823-47-3 — REACH registration status, harmonised classification and regulatory context. European Chemicals Agency.
  3. NIST Chemistry WebBook / CCCBDB: experimental geometry, vibrational data and dipole-moment compilations for Lithium chlorite. National Institute of Standards and Technology.
  4. CRC Handbook of Chemistry and Physics, 92nd ed. (Haynes, W. M., ed.), CRC Press, 2011 — electronegativity, dielectric constant and dipole-moment tables.
  5. Nelson, R. D.; Lide, D. R.; Maryott, A. A.: Selected Values of Electric Dipole Moments for Molecules in the Gas Phase, NSRDS-NBS 10, National Bureau of Standards, 1967.
  6. Snyder, L. R.: solvent-polarity classification and the P′ scale for liquid chromatographic solvents. The P′ scale is defined only for conventional liquid solvents and is not assigned to substances outside that scope.
  7. Bannwarth, C.; Ehlert, S.; Grimme, S.: GFN2-xTB — an accurate and broadly parametrised self-consistent tight-binding quantum chemical method with multipole electrostatics and density-dependent dispersion contributions. J. Chem. Theory Comput. 2019, 15 (3), 1652–1671.
  8. RDKit / Halgren, T. A.: MMFF94 force field for geometry generation (J. Comput. Chem. 1996, 17, 490–519) and the RDKit cheminformatics toolkit used for the Crippen logP, TPSA and hydrogen-bond descriptors quoted here.
Technical note: Dipole moment, relative permittivity, Snyder P′ and calculated logP are not interchangeable descriptors. For LiClO 2 no dipole magnitude is reported: the species is ionic or carries a net charge, so the dipole depends on the choice of origin and is not a molecular constant. The polarity argument therefore rests on symmetry and structure alone; where a number is needed, take it from the NIST Computational Chemistry Comparison and Benchmark Database or the CRC Handbook rather than from a calculation that this benchmark does not support. For this charged species the dipole was computed about the centre of mass; for a net-charged system that quantity depends on the choice of origin and is reported only as a reference number. Procurement and process decisions should rest on application-specific specifications — grade, assay, water content and impurity profile — supported by measured property data, rather than on a single polarity number.
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