{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.iodosobenzene","code":"thing-q2179522","url":"https://ver.cy/models/thing/q2179522/","name":"iodosobenzene","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Iodosobenzene is an organoiodine(III) compound of empirical formula C6H5IO, commonly written PhIO, that has a polymeric solid-state structure and serves as an oxidant and oxygen-transfer reagent.","purpose":"Enable an agent to recognise iodosobenzene, assess the condition and oxidising capacity of a particular sample, and judge its suitability for a proposed use.","scope":{"in":["Iodosobenzene identity, synonyms and identifiers","Sample composition, purity, water content and active oxidant assay","Solid-state association, dispersion and condition-dependent physical properties","Oxygen-transfer capability and changes during storage or use","Substance-specific hazard evidence and regulatory identity"],"out":["Iodobenzene and iodoxybenzene as independently modelled substances","Other hypervalent iodine reagents and substituted iodosobenzenes","Commercial formulations, packaging and supplier businesses","Complete synthesis procedures and reaction-process models","Laboratory equipment, facility controls and waste-treatment processes"],"boundaries":[]},"distinguishingFeatures":["Identity records should match iodosylbenzene, formula C6H5IO, CAS 536-80-1 and PubChem CID 92125; these are recorded together in [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Iodosylbenzene).","Distinguish it from oxygen-free iodobenzene by composition and analytical identity; iodobenzene has formula C6H5I and CAS 591-50-4 according to [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/iodobenzene).","Distinguish the one-oxygen PhIO composition from the two-oxygen PhIO2 composition of iodoxybenzene using species-resolving evidence rather than total oxidising capacity alone.","Do not equate a drawn PhIO unit with an isolated monomer in the solid: polymeric association and depolymerisation during reaction are described in [Organic Syntheses](https://www.orgsyn.org/demo.aspx?prep=v70p0215).","Exclude ligand-bearing iodine reagents such as phenyliodine diacetate even when they serve related oxidative roles; matching function does not establish matching composition."],"structure":{"bundles":[{"id":"identity-and-chemical-boundaries","name":"Identity and chemical boundaries","description":"Establishes what counts as iodosobenzene and separates it from adjacent iodine compounds.","layers":[{"id":"identifier-resolution","name":"Identifier resolution","description":"Connects registry identity to chemical reference records.","findings":[{"id":"concordant-identity-record","name":"Concordant identity record","description":"Record agreement among name, formula and external identifiers. The identity values and formula-unit mass above are supported by [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/Iodosylbenzene).","questions":[{"text":"Do the sample label and reference record agree on C6H5IO and CAS 536-80-1?","id":"concordant-identity-record-q01","kind":"definition"},{"text":"Which source and revision establish each identifier, including EC 208-648-8?","id":"concordant-identity-record-q02","kind":"provenance"}]}]},{"id":"neighbouring-iodine-species","name":"Neighbouring iodine species","description":"Separates the intended substance from related reagents and mixtures.","findings":[{"id":"species-specific-boundary","name":"Species-specific boundary","description":"Require chemical evidence to distinguish PhIO from PhI, PhIO2 and ligand-bearing iodine reagents.","questions":[{"text":"What analytical evidence distinguishes iodosobenzene from iodobenzene and iodoxybenzene in this sample?","id":"species-specific-boundary-q01","kind":"measurement"},{"text":"Does the record describe iodosobenzene itself, a mixture containing it or a different iodine reagent?","id":"species-specific-boundary-q02","kind":"boundary"}]}]}]},{"id":"composition-and-active-assay","name":"Composition and active assay","description":"Relates weighed material to actual iodosobenzene content and measurable oxidising capacity.","layers":[{"id":"sample-composition","name":"Sample composition","description":"Accounts for moisture, residual solvents and chemically distinct impurities.","findings":[{"id":"composition-basis","name":"Composition basis","description":"Express sample composition on a declared basis and distinguish measured components from suspected impurities.","questions":[{"text":"What fractions of the sample are iodosobenzene, water, residual solvent and identified iodine-containing impurities?","id":"composition-basis-q01","kind":"measurement"},{"text":"Are the purity values reported for the material as received or corrected to a dry basis?","id":"composition-basis-q02","kind":"boundary"}]}]},{"id":"oxidant-capacity","name":"Oxidant capacity","description":"Captures method-dependent active content and its limits.","findings":[{"id":"assay-selectivity-and-equivalents","name":"Assay selectivity and equivalents","description":"Separate total oxidising capacity from species-specific PhIO content and define the convention used for equivalents.","questions":[{"text":"What active oxidant content was measured, by which method and on what date?","id":"assay-selectivity-and-equivalents-q01","kind":"measurement"},{"text":"Could other oxidising iodine species contribute to the assay, and how does that affect amount calculations?","id":"assay-selectivity-and-equivalents-q02","kind":"action"}]}]}]},{"id":"associated-solid-and-phase-behaviour","name":"Associated solid and phase behaviour","description":"Models the relationship between PhIO composition, bulk association and behaviour in a medium.","layers":[{"id":"solid-form-and-accessibility","name":"Solid form and accessibility","description":"Records physical presentation and evidence about solid-state association.","findings":[{"id":"characterised-solid-state","name":"Characterised solid state","description":"Track association, particle condition and wetness without assigning an unsupported chain length or crystal form.","questions":[{"text":"What diffraction, spectroscopic or other evidence characterises the association state of this solid?","id":"characterised-solid-state-q01","kind":"measurement"},{"text":"What particle size, aggregation and wetness describe the material being assessed?","id":"characterised-solid-state-q02","kind":"measurement"}]}]},{"id":"medium-and-temperature-response","name":"Medium and temperature response","description":"Distinguishes physical changes from chemical changes under specified conditions.","findings":[{"id":"condition-qualified-properties","name":"Condition-qualified properties","description":"Attach conditions and event identity to solubility and thermal observations.","questions":[{"text":"Does disappearance of solid in the stated medium demonstrate dissolution, depolymerisation or reaction?","id":"condition-qualified-properties-q01","kind":"boundary"},{"text":"Which measured thermal events are melting or decomposition, and what evidence supports any reported boiling point?","id":"condition-qualified-properties-q02","kind":"measurement"}]}]}]},{"id":"oxygen-transfer-and-material-change","name":"Oxygen transfer and material change","description":"Connects oxidant function to application conditions and changes in the sample.","layers":[{"id":"application-specific-reactivity","name":"Application-specific reactivity","description":"Records evidence supporting a defined reagent role.","findings":[{"id":"supported-oxygen-transfer-use","name":"Supported oxygen-transfer use","description":"Treat oxygen-donor identity as a starting point and require application evidence for effectiveness and selectivity.","questions":[{"text":"Which documented transformation establishes suitability for the intended substrate, catalyst and medium?","id":"supported-oxygen-transfer-use-q01","kind":"provenance"},{"text":"What assay, water-content and dispersion requirements must this sample satisfy for that use?","id":"supported-oxygen-transfer-use-q02","kind":"action"}]}]},{"id":"ageing-and-conversion","name":"Ageing and conversion","description":"Tracks loss or alteration of the original PhIO material.","findings":[{"id":"current-material-status","name":"Current material status","description":"Assess changes through analytical evidence and investigate possible conversion to other iodine species without assuming a degradation route.","questions":[{"text":"How have species composition and active assay changed since preparation or receipt?","id":"current-material-status-q01","kind":"measurement"},{"text":"What observed change or elapsed validity period triggers reassay or rejection for the intended use?","id":"current-material-status-q02","kind":"action"}]}]}]},{"id":"hazards-and-use-constraints","name":"Hazards and use constraints","description":"Links the actual PhIO material to verified handling and jurisdictional requirements.","layers":[{"id":"reactive-material-hazards","name":"Reactive material hazards","description":"Identifies which hazard conclusions apply to the sample and intended conditions.","findings":[{"id":"evidence-based-handling-envelope","name":"Evidence-based handling envelope","description":"Record established thermal, mechanical and incompatibility hazards with their test conditions and applicability.","questions":[{"text":"What evidence establishes thermal decomposition, impact or friction sensitivity for the relevant material form?","id":"evidence-based-handling-envelope-q01","kind":"provenance"},{"text":"Which verified incompatibilities and handling limits constrain the proposed use of this PhIO sample?","id":"evidence-based-handling-envelope-q02","kind":"action"}]}]},{"id":"classification-and-disposition","name":"Classification and disposition","description":"Resolves current classification, exposure guidance and disposal routing.","findings":[{"id":"applicable-regulatory-record","name":"Applicable regulatory record","description":"Keep jurisdiction-specific requirements separate from unverified supplier statements or missing data.","questions":[{"text":"Which current SDS and official records establish applicable GHS classification, transport status and any substance-specific exposure limit?","id":"applicable-regulatory-record-q01","kind":"provenance"},{"text":"How must unused PhIO and residues containing remaining oxidant be classified for the applicable waste route?","id":"applicable-regulatory-record-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of iodosobenzene this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of iodosobenzene this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of iodosobenzene this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of iodosobenzene this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of iodosobenzene this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of iodosobenzene this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain iodosobenzene as a hypervalent iodine oxidant in synthesis, in general terms.","Report hazards and storage rules from safety data sheets."],"mustNot":["Handle it outside a supervised laboratory.","Heat or store it in a way that risks explosive decomposition.","Provide preparation procedures to people outside a supervised laboratory.","Dispose of oxidizer waste with combustible waste."],"requiresHuman":["Approving storage or disposal of the reagent."]},"ethics":{"considerations":["Energetic oxidants endanger laboratory workers and neighbours if mishandled.","Safe disposal protects waste workers."],"affectedParties":["Laboratory workers","Waste handlers","Emergency responders"]},"owners":{"steward":"The laboratory or business that holds it; chemical safety authorities regulate supply and use.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11173","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.iodosobenzene","Wikidata: Q2179522 (https://www.wikidata.org/wiki/Q2179522)"]},"properties":{"applicability":"required","items":["Chemical identity: Iodosobenzene / iodosylbenzene / PhIO; C6H5IO; CAS 536-80-1; PubChem CID 92125; EC 208-648-8","Formula-unit molar mass: 220.01 g/mol","Chemical purity: Mass fraction or percent, with method and wet-sample or dry-sample basis","Active oxidant assay: mmol oxidising equivalents/g, with equivalence convention, method and assay date","Water and residual solvent content: Mass percent for each measured component","Association and physical presentation: Associated solid, wet solid, suspension or characterised dissolved species; evidence and conditions required","Solubility and dispersion: g/L or mol/L for solubility; particle-size distribution in µm where relevant; solvent, temperature and method","Thermal behaviour: °C with event type, pressure, heating rate and method; distinguish melting from decomposition","Storage and reassessment state: Within documented specification, reassay required, degraded or unknown","Hazard and regulatory evidence: Applicable SDS and official records, with jurisdiction, revision date, material form and classification"]},"recognition":{"applicability":"required","items":["A pale yellow amorphous solid.","Kept in labelled containers away from heat."]},"capabilities":{"applicability":"required","items":["Resolve a labelled sample to the registry identity and reject similarly named reagents.","Calculate an assay-corrected reagent amount with an explicit equivalence and moisture basis.","Assess whether dispersion, solvent and sample condition support a documented oxygen-transfer use.","Compare stored material with its earlier assay and determine whether reassessment is needed.","Retrieve applicable handling and disposal requirements from current substance-specific evidence."]},"hazards":{"applicability":"required","items":["Explosive decomposition on heating.","Fire with combustible materials.","Skin and eye irritation."]},"interfaces":{"applicability":"required","items":["Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations."]},"context":{"applicability":"required","items":["Iodosobenzene is encountered mainly in chemical research as an oxidant and oxygen-transfer reagent.","It is used in studies of organic oxidation and metal-mediated reactions where the identity and condition of the reagent affect interpretation of results."]}},"sources":[{"title":"Wikidata item Q2179522: iodosobenzene","url":"https://www.wikidata.org/wiki/Q2179522","note":"identity and sense of the item"},{"title":"Wikipedia: Iodosobenzene","url":"https://en.wikipedia.org/wiki/Iodosobenzene","note":"general description of the item"}],"openQuestions":["Which validated assays distinguish iodosobenzene content from total oxidising capacity when iodoxybenzene or other iodine species are present?","How do water content, particle condition and solid-state association affect storage stability and performance in specific reaction media?","Which reported thermal constants represent decomposition rather than melting, and are credible boiling-point measurements available?","What current primary evidence establishes hazard classification, thermal or mechanical sensitivity, transport status and any substance-specific exposure limits?","Which storage-dependent conversion pathways and analytical acceptance limits justify a reassay interval for a particular grade of iodosobenzene?"],"resources":{"spec":"/models/things/publications/thing-q2179522/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2179522/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T10:33:18Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}