{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.chloropentamminecobalt-chloride","code":"thing-q15410877","url":"https://ver.cy/models/thing/q15410877/","name":"chloropentamminecobalt chloride","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":"Chloropentamminecobalt chloride, conventionally called pentaamminechloridocobalt(III) chloride, is the coordination salt [Co(NH3)5Cl]Cl2, containing an octahedral cobalt(III) complex with five ammonia ligands and one coordinated chloride, balanced by two chloride counterions.","purpose":"Enable an agent to identify chloropentamminecobalt chloride, assess whether a sample retains its intended coordination composition and purity, and determine evidence-supported handling and experimental uses.","scope":{"in":["Identity of the chloropentaamminecobalt(III) cation and its two chloride counterions","Substance identifiers, naming variants and coordination-aware structural representations","Sample purity, water content and related cobalt-complex impurities","Physical properties and analytical signatures under recorded conditions","Solution composition, chemical conversion and retention of the parent complex","Substance-specific hazard evidence and suitability for intended operations"],"out":["General chloride-ion chemistry owned by the broader chloride model","Separate identities of hexaamminecobalt(III), aquopentaamminecobalt(III) and other cobalt complexes","Manufacturing or laboratory synthesis procedures as process models","Commercial packaging, pricing and supplier operations","Complete formulations or reaction mixtures containing the substance","General cobalt toxicology and facility waste-management procedures"],"boundaries":[]},"distinguishingFeatures":["Require the coordination formula [Co(NH3)5Cl]Cl2: five ammonia ligands and one coordinated chloride distinguish it from hexaamminecobalt(III) chloride. [Supplier identity record](https://www.sigmaaldrich.com/US/en/substance/pentaamminechlorocobaltiiichloride2504413859513).","Require cobalt in oxidation state +3 and an intact ammine coordination sphere, distinguishing it from cobalt(II) chloride and mixtures of cobalt salts with ammonia.","Distinguish one coordinated chloride from two counterion chlorides; elemental chloride content alone cannot establish this partition.","Confirm that the sixth ligand is chloride rather than water or another ligand using coordination-sensitive evidence, rather than relying on colour or total cobalt alone.","Treat matching elemental formulas or flattened database structures as insufficient proof of identical coordination connectivity."],"structure":{"bundles":[{"id":"coordination-identity","name":"Coordination identity","description":"Establish which cobalt-ammine chloride substance the registry entry denotes.","layers":[{"id":"complex-and-counterions","name":"Complex and counterions","description":"Represent the coordination sphere separately from charge-balancing ions.","findings":[{"id":"chloride-role-partition","name":"Chloride role partition","description":"Record [Co(NH3)5Cl]2+ and two chloride counterions explicitly; do not represent the salt as merely cobalt, ammonia and chloride totals.","questions":[{"text":"Does the identity evidence establish five coordinated ammonia ligands and one coordinated chloride around Co(III)?","id":"chloride-role-partition-q01","kind":"definition"},{"text":"Which analytical evidence distinguishes coordinated chloride from counterion chloride without overlooking changes induced by the test?","id":"chloride-role-partition-q02","kind":"measurement"}]}]},{"id":"names-and-records","name":"Names and records","description":"Connect the registry name to external records while retaining structural ambiguity.","findings":[{"id":"identifier-reconciliation","name":"Identifier reconciliation","description":"PubChem exposes relevant records under CID 15771825 and CID 159702 with different structural encodings; record this ambiguity rather than silently selecting a canonical representation. [CID 15771825](https://pubchem.ncbi.nlm.nih.gov/compound/15771825), [CID 159702](https://pubchem.ncbi.nlm.nih.gov/compound/159702).","questions":[{"text":"Which external record most faithfully represents the coordinated cation and counterions intended by this registry entry?","id":"identifier-reconciliation-q01","kind":"provenance"},{"text":"Which naming variants denote this same salt, and which denote a different ligand or counterion composition?","id":"identifier-reconciliation-q02","kind":"boundary"}]}]}]},{"id":"sample-composition","name":"Sample composition","description":"Determine how much of a sample is the intended coordination salt.","layers":[{"id":"assay-and-related-complexes","name":"Assay and related complexes","description":"Resolve the parent compound from chemically related impurities.","findings":[{"id":"complex-specific-purity","name":"Complex-specific purity","description":"Require an assay basis that can distinguish the intended complex from other cobalt species and residual salts.","questions":[{"text":"Does the reported purity measure intact [Co(NH3)5Cl]Cl2, total cobalt, or only the absence of other metals?","id":"complex-specific-purity-q01","kind":"measurement"},{"text":"What limits on other cobalt ammines, ammonium salts and unreacted cobalt salts are justified by the intended use?","id":"complex-specific-purity-q02","kind":"action"}]}]},{"id":"water-and-mass-basis","name":"Water and mass basis","description":"Establish what contributes to a weighed portion besides the parent salt.","findings":[{"id":"water-content-correction","name":"Water content correction","description":"Keep measured moisture separate from any demonstrated stoichiometric hydrate and retain the assay reporting basis.","questions":[{"text":"What water or residual-solvent content was measured, and does the evidence distinguish surface moisture from structural incorporation?","id":"water-content-correction-q01","kind":"measurement"},{"text":"How should assay and water content modify the mass required for a specified amount of parent complex?","id":"water-content-correction-q02","kind":"action"}]}]}]},{"id":"physical-and-analytical-state","name":"Physical and analytical state","description":"Characterize the solid and its measured properties without assuming that appearance proves identity.","layers":[{"id":"solid-and-thermal-properties","name":"Solid and thermal properties","description":"Record phase evidence and distinguish thermal transitions from chemical destruction.","findings":[{"id":"phase-and-thermal-event","name":"Phase and thermal event","description":"Associate solid-form and thermal observations with sample composition, measurement conditions and uncertainty.","questions":[{"text":"What diffraction or other evidence establishes the solid phase and excludes substantial secondary phases?","id":"phase-and-thermal-event-q01","kind":"measurement"},{"text":"Does a reported heating event represent melting, solvent loss or decomposition, and under what atmosphere and heating rate?","id":"phase-and-thermal-event-q02","kind":"measurement"}]}]},{"id":"spectral-recognition","name":"Spectral recognition","description":"Use reference measurements to identify the coordination environment.","findings":[{"id":"reference-signature-match","name":"Reference signature match","description":"Compare measured spectra with authenticated material under matched conditions; retain appearance only as supporting evidence.","questions":[{"text":"Which authenticated UV-visible, IR or diffraction reference is appropriate for this sample state?","id":"reference-signature-match-q01","kind":"provenance"},{"text":"Which observed differences discriminate this chloride-ligated complex from hexaammine or aquopentaammine alternatives?","id":"reference-signature-match-q02","kind":"measurement"}]}]}]},{"id":"solution-speciation-and-use","name":"Solution speciation and use","description":"Track whether preparation and experimental conditions preserve the intended complex.","layers":[{"id":"dissolution-and-concentration","name":"Dissolution and concentration","description":"Separate nominal salt loading, dissolved concentration and intact-complex concentration.","findings":[{"id":"conditioned-solubility","name":"Conditioned solubility","description":"Record solvent, temperature, acidity, chloride background and equilibration time with dissolution observations.","questions":[{"text":"What solubility has been measured in the intended medium, and was the dissolved cobalt species identified?","id":"conditioned-solubility-q01","kind":"measurement"},{"text":"Does the preparation support a concentration claim for intact [Co(NH3)5Cl]2+ or only for total added cobalt?","id":"conditioned-solubility-q02","kind":"boundary"}]}]},{"id":"conversion-and-retention","name":"Conversion and retention","description":"Assess possible ligand substitution or other transformation under the intended conditions.","findings":[{"id":"parent-complex-persistence","name":"Parent-complex persistence","description":"Treat aquation, ligand replacement and oxidation-state change as transformations to investigate, with resulting species linked to neighbouring models.","questions":[{"text":"What evidence establishes the parent-complex fraction over the intended time, temperature, pH and chloride-concentration range?","id":"parent-complex-persistence-q01","kind":"measurement"},{"text":"What change in composition or analytical signature requires reanalysis, rejection or recording a transformed species?","id":"parent-complex-persistence-q02","kind":"action"}]}]}]},{"id":"handling-and-regulatory-evidence","name":"Handling and regulatory evidence","description":"Tie operational constraints to this coordination salt, its sample form and applicable rules.","layers":[{"id":"classification-applicability","name":"Classification applicability","description":"Establish which hazard records and exposure limits actually apply.","findings":[{"id":"matched-hazard-record","name":"Matched hazard record","description":"Retain the substance identity, product composition, jurisdiction and revision date behind each hazard or exposure claim.","questions":[{"text":"Which current SDS explicitly matches this salt and the supplied grade, and what classifications does it report?","id":"matched-hazard-record-q01","kind":"provenance"},{"text":"Do relevant exposure limits cover this compound or a stated cobalt-compound category, and are concentrations expressed as cobalt?","id":"matched-hazard-record-q02","kind":"boundary"}]}]},{"id":"operation-specific-controls","name":"Operation-specific controls","description":"Translate applicable evidence into conditions for weighing, dissolving, storing and discarding samples.","findings":[{"id":"permitted-operation-conditions","name":"Permitted operation conditions","description":"Connect intended operations to documented exposure controls, incompatibilities, storage conditions and cobalt-containing waste requirements.","questions":[{"text":"What documented controls apply to dust generation during weighing and to contact with prepared solutions?","id":"permitted-operation-conditions-q01","kind":"action"},{"text":"Which verified incompatibilities, storage limits and local waste requirements constrain the proposed operation?","id":"permitted-operation-conditions-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 chloropentamminecobalt chloride 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 chloropentamminecobalt chloride 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 chloropentamminecobalt chloride 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 chloropentamminecobalt chloride 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 chloropentamminecobalt chloride 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 chloropentamminecobalt chloride this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain the cobalt(III) coordination complex as a teaching example in coordination chemistry.","Report hazards and handling rules from safety data sheets."],"mustNot":["Handle cobalt compounds without the protection the safety data sheet requires.","Give cobalt compounds to students without proper supervision and protection.","Dispose of cobalt-containing waste into drains.","Mislabel the compound or its purity."],"requiresHuman":["Approving disposal of heavy-metal teaching waste."]},"ethics":{"considerations":["Cobalt compounds can sensitize skin and lungs and some are suspected carcinogens.","Teaching laboratories expose students who rely on instructors for safety."],"affectedParties":["Students","Laboratory workers","Waste handlers"]},"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.chloropentamminecobalt-chloride","Wikidata: Q15410877 (https://www.wikidata.org/wiki/Q15410877)"]},"properties":{"applicability":"required","items":["Coordination identity: [Co(NH3)5Cl]Cl2; Co(III); five NH3 ligands; one coordinated chloride; two chloride counterions","External identity mappings: CAS 13859-51-3; EC 237-594-8; mappings require source and review date","Formula-unit molar mass: 250.44 g/mol for [Co(NH3)5Cl]Cl2","Parent-complex assay and impurity profile: Mass % or mol %, with analytical method, uncertainty and dry/as-received basis","Water content and solid form: Measured water mass %; identified crystalline phase; hydration status unknown or established","Conditioned physical properties: Solubility in g/L or mol/L; density in g/cm3; thermal events in °C; solvent, temperature, pressure and method required","Coordination-sensitive analytical signature: UV-visible wavelength in nm and molar absorptivity in L mol−1 cm−1; IR bands in cm−1; diffraction reference where available","Solution integrity: Parent-complex fraction or unresolved; solvent, pH, chloride concentration, temperature and elapsed time","Hazard and regulatory applicability: Applicable SDS, jurisdiction, revision date, GHS classification and exposure-limit basis; unresolved values explicit"]},"recognition":{"applicability":"required","items":["A reddish-purple crystalline solid.","Containers labelled with the complex name and formula."]},"capabilities":{"applicability":"required","items":["Reconcile a sample label and database record with the coordination identity before accepting it into inventory.","Calculate a weighed amount or nominal solution concentration using verified assay and water content.","Select analytical comparisons that distinguish the parent complex from related cobalt ammines.","Evaluate whether solution preparation or storage conditions require renewed speciation checks.","Assess suitability as a coordination-chemistry reagent against documented purity and stability requirements.","Derive handling and disposal requirements from an applicable substance or product SDS and local rules."]},"hazards":{"applicability":"required","items":["Skin and respiratory sensitization.","Toxicity of cobalt compounds.","Environmental harm from heavy-metal waste."]},"interfaces":{"applicability":"required","items":["Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations."]},"context":{"applicability":"required","items":["This coordination salt is encountered in inorganic chemistry teaching and research as an example of a cobalt complex with coordinated and counterion chloride.","It supports studies of coordination structure, ligand substitution and the relationship between composition and spectroscopic behavior."]}},"sources":[{"title":"Wikidata item Q15410877: chloropentamminecobalt chloride","url":"https://www.wikidata.org/wiki/Q15410877","note":"identity and sense of the item"},{"title":"Wikipedia: Chloropentamminecobalt chloride","url":"https://en.wikipedia.org/wiki/Chloropentamminecobalt_chloride","note":"general description of the item"}],"openQuestions":["Which PubChem record should be preferred for this registry entry, and how should coordination information missing from flattened structural encodings be preserved?","Which primary reference measurements establish the solid phase, diagnostic spectra, solubility and thermal behaviour, including whether meaningful melting or boiling values exist before decomposition?","What rates and extents of aquation or other conversion occur under intended preparation and storage conditions?","Which validated assays distinguish parent-complex purity from total cobalt, residual salts and related cobalt complexes, and what acceptance limits suit each intended use?","What current compound-specific GHS classifications, applicable exposure limits, storage constraints and jurisdictional obligations are supported by authoritative records?"],"resources":{"spec":"/models/things/publications/thing-q15410877/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q15410877/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T08:38:59Z","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 2026-10-07T10:10:26+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}