{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.parachlorobenzotrifluoride","code":"thing-q410670","url":"https://ver.cy/models/thing/q410670/","name":"parachlorobenzotrifluoride","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":"Parachlorobenzotrifluoride (PCBTF) is the para positional isomer of chlorobenzotrifluoride, an aromatic compound with formula C7H4ClF3 in which chlorine and a trifluoromethyl group occupy opposite positions on a benzene ring.","purpose":"Enable an agent to identify parachlorobenzotrifluoride, assess the condition and suitability of a particular lot, and determine the evidence needed before handling or using it.","scope":{"in":["Para-isomer identity and authoritative chemical identifiers","Lot purity, positional-isomer content, water and other impurities","Physical properties with measurement conditions and uncertainty","Suitability as a solvent or chemical feedstock","Exposure, handling and environmental constraints supported by current evidence"],"out":["Complete coating, adhesive or cleaning-product formulations containing PCBTF","Manufacturing plants and synthesis-process design","Equipment design for ventilation, storage or solvent recovery","Clinical diagnosis and treatment of exposed individuals","General models of chlorinated aromatic compounds or fluorinated substances"],"boundaries":[]},"distinguishingFeatures":["The identity is 1-chloro-4-(trifluoromethyl)benzene, with chlorine and trifluoromethyl substituents in the para positions; distinguish it from the ortho and meta isomers using structure and suitable analytical evidence. [NIST identity record](https://webbook.nist.gov/cgi/cbook.cgi?ID=98-56-6)","CAS 98-56-6 and PubChem CID 7394 should resolve to the same structure; a supplier abbreviation alone is insufficient. [PubChem identity record](https://pubchem.ncbi.nlm.nih.gov/compound/7394)","Its molecular formula is C7H4ClF3: the three fluorines belong to a trifluoromethyl group, distinguishing it from chlorotoluene and ring-trifluorinated chlorobenzenes. [PubChem identity record](https://pubchem.ncbi.nlm.nih.gov/compound/7394)","A material sold using the abbreviation PCBTF must have its composition checked to distinguish a substance grade from a solvent blend containing it.","The abbreviation PCBTF must not be resolved to polychlorinated biphenyls; identification must follow the molecular structure and identifiers."],"structure":{"bundles":[{"id":"para-isomer-identity","name":"Para-isomer identity","description":"Establishes which molecular entity and material record the agent is evaluating.","layers":[{"id":"molecular-resolution","name":"Molecular resolution","description":"Resolves the name to the para-substituted structure.","findings":[{"id":"para-substitution","name":"Para substitution","description":"Identity requires the chlorine and trifluoromethyl substituents to occupy the 1,4 positions.","questions":[{"text":"Does the recorded structure place chlorine and trifluoromethyl at the 1,4 positions?","id":"para-substitution-q01","kind":"definition"},{"text":"What analytical evidence distinguishes this material from the ortho and meta isomers?","id":"para-substitution-q02","kind":"measurement"}]}]},{"id":"identifier-and-product-boundary","name":"Identifier and product boundary","description":"Connects authoritative identity records to the supplied material.","findings":[{"id":"substance-record-match","name":"Substance record match","description":"Identifiers and supplier documentation must identify the same substance and disclose whether the supplied material is a blend.","questions":[{"text":"Which authoritative records support the CAS, PubChem and EC identifier mapping?","id":"substance-record-match-q01","kind":"provenance"},{"text":"Does the supplier name identify a PCBTF grade or a formulated product containing PCBTF?","id":"substance-record-match-q02","kind":"boundary"}]}]}]},{"id":"lot-composition-and-condition","name":"Lot composition and condition","description":"Records how a particular lot differs from the ideal chemical identity.","layers":[{"id":"assay-and-isomer-profile","name":"Assay and isomer profile","description":"Establishes PCBTF content and relevant impurities.","findings":[{"id":"qualified-purity","name":"Qualified purity","description":"Purity is meaningful only with its analytical basis, impurity coverage and detection limits.","questions":[{"text":"What is the PCBTF assay, and is it reported as mass fraction or chromatographic area fraction?","id":"qualified-purity-q01","kind":"measurement"},{"text":"Are ortho and meta isomers and other relevant organic impurities resolved and quantified?","id":"qualified-purity-q02","kind":"measurement"}]}]},{"id":"storage-and-recovery-history","name":"Storage and recovery history","description":"Tracks condition changes and contamination opportunities.","findings":[{"id":"current-lot-condition","name":"Current lot condition","description":"Fresh, stored and recovered PCBTF require condition evidence appropriate to their histories.","questions":[{"text":"What are the current water content and nonvolatile residue relative to the intended-use specification?","id":"current-lot-condition-q01","kind":"measurement"},{"text":"What storage, contact-material or recovery history requires additional contaminant testing before release?","id":"current-lot-condition-q02","kind":"action"}]}]}]},{"id":"physical-behaviour-and-solvent-use","name":"Physical behaviour and solvent use","description":"Relates measured physical behaviour to a defined application.","layers":[{"id":"phase-and-volatility","name":"Phase and volatility","description":"Qualifies phase transitions, density and evaporation behaviour.","findings":[{"id":"conditioned-property-values","name":"Conditioned property values","description":"Property values must retain temperature, pressure, purity and measurement provenance.","questions":[{"text":"Which measured melting and boiling points apply to the relevant purity and pressure?","id":"conditioned-property-values-q01","kind":"measurement"},{"text":"What vapour pressure and density apply across the proposed storage and use temperatures?","id":"conditioned-property-values-q02","kind":"measurement"}]}]},{"id":"application-compatibility","name":"Application compatibility","description":"Evaluates interactions with solutes, co-solvents and contact materials.","findings":[{"id":"demonstrated-solvent-suitability","name":"Demonstrated solvent suitability","description":"Suitability belongs to a specified PCBTF grade and application combination.","questions":[{"text":"At the intended concentration and temperature, does the grade provide the required dissolution, miscibility and drying behaviour?","id":"demonstrated-solvent-suitability-q01","kind":"measurement"},{"text":"What compatibility evidence is required before contact with the proposed seals, containers or substrate?","id":"demonstrated-solvent-suitability-q02","kind":"action"}]}]}]},{"id":"hazards-and-exposure-controls","name":"Hazards and exposure controls","description":"Connects PCBTF hazard evidence to the conditions of handling.","layers":[{"id":"health-evidence","name":"Health evidence","description":"Separates toxicological findings, classifications and exposure benchmarks.","findings":[{"id":"applicable-health-assessment","name":"Applicable health assessment","description":"Health conclusions require the issuing authority, evidence basis, route and date.","questions":[{"text":"Which current authoritative assessments address acute effects, repeated exposure and carcinogenicity for CAS 98-56-6?","id":"applicable-health-assessment-q01","kind":"provenance"},{"text":"Which occupational exposure limits or recommendations apply, with what averaging periods and legal status?","id":"applicable-health-assessment-q02","kind":"boundary"}]}]},{"id":"handling-conditions","name":"Handling conditions","description":"Links ignition, incompatibility and exposure evidence to an operation.","findings":[{"id":"operation-specific-controls","name":"Operation-specific controls","description":"Controls must reflect the lot, process temperature and opportunities for vapour or liquid contact.","questions":[{"text":"What verified flash-point method, ignition data and incompatibility information apply to this grade?","id":"operation-specific-controls-q01","kind":"provenance"},{"text":"What ventilation, containment and protective-equipment requirements follow from the proposed operation and applicable safety documentation?","id":"operation-specific-controls-q02","kind":"action"}]}]}]},{"id":"regulatory-use-and-end-of-life","name":"Regulatory use and end of life","description":"Determines the rules governing a specific use, emission or disposition.","layers":[{"id":"jurisdictional-use-status","name":"Jurisdictional use status","description":"Qualifies inventory, VOC and application restrictions.","findings":[{"id":"verified-use-permissions","name":"Verified use permissions","description":"A proposed use requires current rules covering the substance, location and application.","questions":[{"text":"Under which current rule, jurisdiction and application is PCBTF included in or excluded from VOC accounting?","id":"verified-use-permissions-q01","kind":"provenance"},{"text":"Which additional inventory, product-category, labelling or use restrictions govern the proposed activity?","id":"verified-use-permissions-q02","kind":"action"}]}]},{"id":"release-recovery-and-waste","name":"Release, recovery and waste","description":"Evaluates PCBTF-containing streams without treating them as pure substance by default.","findings":[{"id":"stream-specific-disposition","name":"Stream-specific disposition","description":"Reuse, discharge and disposal decisions depend on stream composition and applicable requirements.","questions":[{"text":"What measured PCBTF concentration and co-contaminants define the recovered solvent, wastewater or waste stream?","id":"stream-specific-disposition-q01","kind":"measurement"},{"text":"Which recovery, emission-control or disposal route is supported by the stream assessment and local requirements?","id":"stream-specific-disposition-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 parachlorobenzotrifluoride 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 parachlorobenzotrifluoride 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 parachlorobenzotrifluoride 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 parachlorobenzotrifluoride 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 parachlorobenzotrifluoride 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 parachlorobenzotrifluoride this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify the solvent from labels, identifiers and safety data sheets.","Report its hazards and regulatory status as a solvent in a stated jurisdiction.","Record container condition and storage for its keeper."],"mustNot":["Use or store it near ignition sources or without ventilation.","Present it as harmless because of exemptions from some air-quality rules.","Dispose of it in drains, soil or ordinary waste.","Mislabel products that contain it."],"requiresHuman":["Changing a coating or cleaning product formulation sold to the public."]},"ethics":{"considerations":["Solvent exemptions can shift risk from air quality to workers' health.","Painters and cleaners often use solvents without being told the hazards."],"affectedParties":["Workers using coatings and cleaners","Consumers","Communities near facilities"]},"owners":{"steward":"The producer or user that holds it; chemical and workplace safety authorities regulate it.","roles":[],"masterSystems":[]},"relations":[{"target":"Q26707675","type":"parent","note":"registry parent class"},{"target":"Q648037","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.parachlorobenzotrifluoride","Wikidata: Q410670 (https://www.wikidata.org/wiki/Q410670)"]},"properties":{"applicability":"required","items":["Chemical identity: 1-chloro-4-(trifluoromethyl)benzene; C7H4ClF3; CAS 98-56-6; PubChem CID 7394","Regulatory identifier mapping: EC number and jurisdictional inventory identifiers linked to authority, record and verification date","PCBTF assay and impurity profile: Mass % PCBTF; mass % or mg/kg named impurities; analytical method and reporting basis","Water content: mg/kg or mass %, with method and sampling date","Physical state: Solid, liquid, vapour or multiphase; temperature in °C and pressure in kPa","Phase-transition temperatures: Melting or freezing point and boiling point in °C, with pressure, purity and source","Volatility and density: Vapour pressure in kPa and density in kg/m³, each at a stated temperature","Solvent compatibility: Target resin, solute, co-solvent or contact material; concentration, temperature and observed compatibility","Ignition-related properties: Flash point in °C with test method; flammability limits in volume % where verified","Hazard and exposure status: Applicable GHS classifications; exposure limits in ppm or mg/m³ with averaging period, issuer and legal status","Air-quality regulatory treatment: VOC treatment, restrictions and reporting obligations by jurisdiction, application and effective date"]},"recognition":{"applicability":"required","items":["Identity rests on labels and safety data sheets, not appearance.","Often listed by its abbreviation on product labels."]},"capabilities":{"applicability":"required","items":["Resolve a label, synonym or identifier to the para-isomer registry entry.","Accept, quarantine or reject a lot against application-specific composition requirements.","Compare PCBTF grades for a specified solvent application using measured performance and compatibility.","Identify the evidence required for storage, transfer and exposure controls.","Evaluate recovered PCBTF for reuse using composition and contamination measurements.","Check whether a proposed use satisfies the applicable jurisdictional requirements."]},"hazards":{"applicability":"required","items":["Flammable liquid and vapour.","Possible long-term health effects from repeated exposure.","Persistence in the environment after spills."]},"interfaces":{"applicability":"required","items":["Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations."]},"context":{"applicability":"required","items":["Parachlorobenzotrifluoride is used as a solvent in coatings, inks, adhesives and related industrial formulations.","It is also encountered as an intermediate in chemical synthesis, where its identity and purity affect suitability for a particular reaction."]}},"sources":[{"title":"Wikidata item Q410670: parachlorobenzotrifluoride","url":"https://www.wikidata.org/wiki/Q410670","note":"identity and sense of the item"},{"title":"Wikipedia: 4-Chlorobenzotrifluoride","url":"https://en.wikipedia.org/wiki/4-Chlorobenzotrifluoride","note":"general description of the item"}],"openQuestions":["What EC number and current inventory records authoritatively map to CAS 98-56-6 in the intended jurisdictions?","Which primary measurements establish melting point, boiling point, vapour pressure, density and flash point, and how should disagreements between reported values be resolved?","Which current GHS classifications, carcinogenicity assessments and occupational exposure benchmarks apply to the intended location and grade?","What current VOC treatment and application-specific restrictions govern PCBTF in the intended market?","Which impurity, moisture and nonvolatile-residue limits distinguish acceptable fresh and recovered grades for the intended use?"],"resources":{"spec":"/models/things/publications/thing-q410670/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q410670/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T11:53:11Z","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 2026-10-07T10:10:30+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}