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Atomfair Diphenylglyoxime C14H12N2O2 CAS 23873-81-6

Diphenylglyoxime (CAS No. 23873-81-6) is a high-purity organic compound with the molecular formula C14H12N2O2, widely utilized in analytical chemistry and research applications. This white to off-white crystalline powder is a derivative of glyoxime, featuring two phenyl groups attached to the central dioxime structure. Its exceptional chelating properties make it invaluable for the detection and quantification of transition metals, particularly nickel and palladium, through selective precipitation or spectrophotometric methods. With a melting point range of 235-240°C and low solubility in water (but good solubility in organic solvents like ethanol and DMSO), it is ideal for laboratory use. Each batch undergoes rigorous…

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Description

Diphenylglyoxime (CAS No. 23873-81-6) is a high-purity organic compound with the molecular formula C14H12N2O2, widely utilized in analytical chemistry and research applications. This white to off-white crystalline powder is a derivative of glyoxime, featuring two phenyl groups attached to the central dioxime structure. Its exceptional chelating properties make it invaluable for the detection and quantification of transition metals, particularly nickel and palladium, through selective precipitation or spectrophotometric methods. With a melting point range of 235-240°C and low solubility in water (but good solubility in organic solvents like ethanol and DMSO), it is ideal for laboratory use. Each batch undergoes rigorous quality control (HPLC, NMR) to ensure ≥98% purity, meeting the stringent requirements of pharmaceutical, metallurgical, and materials science research.

Properties

  • CAS Number: 23873-81-6
  • Complexity: 282
  • IUPAC Name: 1,2-diphenylethane-1,2-dione oxime
  • InChI: InChI=1S/C14H12N2O2/c17-15-13(11-7-3-1-4-8-11)14(16-18)12-9-5-2-6-10-12/h1-10,17-18H
  • InChI Key: JJZONEUCDUQVGR-UHFFFAOYSA-N
  • Exact Mass: 240.089877630
  • Molecular Formula: C14H12N2O2
  • Molecular Weight: 240.26
  • SMILES: C1=CC=C(C=C1)C(=NO)C(=NO)C2=CC=CC=C2
  • Topological: 65.2
  • Monoisotopic Mass: 240.089877630
  • Synonyms: Diphenylglyoxime, Ethanedione, diphenyl-, dioxime, 23873-81-6, benzildioxime, alpha-Diphenylglyoxime, N-(2-hydroxyimino-1,2-diphenylethylidene)hydroxylamine, Diphenylethanedione dioxime, Maybridge4_000629, Benzil oxime;Dibenzoyl dioxime, SCHEMBL189919, DTXSID7066938, SCHEMBL28462295, BCP21835, AKOS028109420, 1,2-Ethanedione dioxime, 1,2-diphenyl-, DB-011528, NS00027497, D70416

Diphenylglyoxime serves as a highly selective analytical reagent for nickel detection via its characteristic red complex formation. In coordination chemistry, it acts as a bidentate ligand for transition metal catalysts. The compound finds use in polymer stabilization and as an intermediate in organic synthesis of heterocyclic compounds. Research laboratories employ it for trace metal analysis in environmental and industrial samples.

Safety and Hazards

GHS Hazard Statements

  • H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (100%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (100%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (100%)
  • Acute Tox. 4 (100%)
  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2A (100%)
  • Acute Tox. 4 (100%)
  • STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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