{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.diethyl-ether-peroxide","code":"thing-q3487286","url":"https://ver.cy/models/thing/q3487286/","name":"diethyl ether peroxide","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":"Diethyl ether peroxide is the chemical compound identified here as 1-ethoxyethyl hydroperoxide, an alpha-hydroperoxy ether, rather than an unspecified mixture of peroxide products in aged diethyl ether; the presence of this compound in an unidentified sample requires analytical evidence.","purpose":"Enable an agent to identify the substance registered as diethyl ether peroxide, distinguish it from peroxide-contaminated ether, and assess material state and permitted actions using evidence.","scope":{"in":["Resolution of the registered name to a molecular structure and verified identifiers","Distinction between the hydroperoxide species and mixtures containing ether-derived peroxides","Species concentration, purity, solvent matrix and analytical confidence","Physical state, storage history and evidence of changing peroxide burden","Material-specific hazard evidence and constraints on assessment, handling and disposition"],"out":["Diethyl ether's general solvent properties and commercial product catalogue","Other organic peroxides as independently identified substances","Procedures for synthesizing, isolating or concentrating ether peroxides","Container engineering and laboratory ventilation design","Institutional emergency response and waste-treatment procedures"],"boundaries":[]},"distinguishingFeatures":["Require a structure match to the proposed 1-ethoxyethyl hydroperoxide identity; PubChem associates that name with C4H10O3 and CID 126387. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/126387)","Distinguish an alpha-hydroperoxy ether structure from diethyl ether itself and from diethyl peroxide; shared ethyl groups do not establish identical connectivity.","Distinguish species identification from a total-peroxide screening result: a positive screen alone does not establish which peroxide is present.","Distinguish the registered substance from the whole aged-ether sample, retaining a constituent-of relation when molecular identity is supported.","Require separate evidence for molecular hydroperoxide and any proposed oligomeric or polymeric peroxide assignment."],"structure":{"bundles":[{"id":"ether-peroxide-identity","name":"Ether peroxide identity","description":"Resolve what chemical entity the registered label denotes.","layers":[{"id":"molecular-assignment","name":"Molecular assignment","description":"Connect the registered name to a defensible molecular identity.","findings":[{"id":"candidate-hydroperoxide-identity","name":"Candidate hydroperoxide identity","description":"Use 1-ethoxyethyl hydroperoxide as a candidate mapping, subject to verification against the registry's originating record. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/126387)","questions":[{"text":"Does the originating registry record identify 1-ethoxyethyl hydroperoxide specifically?","id":"candidate-hydroperoxide-identity-q01","kind":"definition"},{"text":"Which structure-backed records establish its identifiers and distinguish it from diethyl peroxide?","id":"candidate-hydroperoxide-identity-q02","kind":"provenance"}]}]},{"id":"species-and-mixture-boundary","name":"Species and mixture boundary","description":"Keep molecular identity separate from the material in which peroxides are detected.","findings":[{"id":"constituent-versus-sample","name":"Constituent versus sample","description":"Record whether an observation concerns the assigned hydroperoxide, an unresolved peroxide fraction or the whole ether sample.","questions":[{"text":"Is the evidence specific to this hydroperoxide or only to peroxide-containing diethyl ether?","id":"constituent-versus-sample-q01","kind":"boundary"},{"text":"Which sample or product contains the identified constituent?","id":"constituent-versus-sample-q02","kind":"provenance"}]}]}]},{"id":"peroxide-measurement-and-composition","name":"Peroxide measurement and composition","description":"Represent what analytical evidence establishes about the peroxide-bearing material.","layers":[{"id":"analytical-specificity","name":"Analytical specificity","description":"Separate screening evidence from species-resolved characterization.","findings":[{"id":"peroxide-result-meaning","name":"Peroxide result meaning","description":"Require each result to state its analyte scope, calibration basis and limitations before using it to characterize this substance.","questions":[{"text":"Does the method identify 1-ethoxyethyl hydroperoxide or report a broader peroxide response?","id":"peroxide-result-meaning-q01","kind":"measurement"},{"text":"What units, calibration equivalent, detection limit and matrix limitations accompany the result?","id":"peroxide-result-meaning-q02","kind":"measurement"}]}]},{"id":"sample-composition","name":"Sample composition","description":"Describe the surrounding solvent and other constituents without treating them as the registered substance.","findings":[{"id":"hydroperoxide-fraction-and-matrix","name":"Hydroperoxide fraction and matrix","description":"Attach concentration or purity claims to a specified material, including known solvent, water and inhibitor content.","questions":[{"text":"What fraction is assigned to this hydroperoxide, and how was that assignment established?","id":"hydroperoxide-fraction-and-matrix-q01","kind":"measurement"},{"text":"Which solvent, water, inhibitor and other peroxide constituents are known or unresolved?","id":"hydroperoxide-fraction-and-matrix-q02","kind":"boundary"}]}]}]},{"id":"changing-material-state","name":"Changing material state","description":"Track whether historical observations still describe the peroxide-bearing material.","layers":[{"id":"formation-and-storage-history","name":"Formation and storage history","description":"Connect the present sample to documented aging and exposure history.","findings":[{"id":"hydroperoxide-history","name":"Hydroperoxide history","description":"Record autoxidation-related provenance and elapsed storage history; research identifies hydroperoxide accumulation as a concern in diethyl ether oxidation. [Oxidation mechanism study](https://pubmed.ncbi.nlm.nih.gov/21735019/)","questions":[{"text":"What records establish the material's origin, opening history and relevant oxygen, light or temperature exposure?","id":"hydroperoxide-history-q01","kind":"provenance"},{"text":"What changes since the last assay could make that result unrepresentative?","id":"hydroperoxide-history-q02","kind":"measurement"}]}]},{"id":"phase-and-thermal-evidence","name":"Phase and thermal evidence","description":"Qualify physical observations by composition and measurement conditions.","findings":[{"id":"property-attribution","name":"Property attribution","description":"Accept physical constants only when their source identifies the relevant peroxide material and distinguishes a phase transition from decomposition.","questions":[{"text":"Does a reported phase, melting point or boiling point belong to the identified peroxide or to its solvent mixture?","id":"property-attribution-q01","kind":"boundary"},{"text":"What composition, temperature, pressure and method support each thermal observation?","id":"property-attribution-q02","kind":"measurement"}]}]}]},{"id":"peroxide-specific-action-constraints","name":"Peroxide-specific action constraints","description":"Connect material evidence to restrictions and qualified disposition decisions.","layers":[{"id":"operation-dependent-assessment","name":"Operation-dependent assessment","description":"Evaluate the intended operation against the available peroxide evidence.","findings":[{"id":"concentration-and-disturbance-review","name":"Concentration and disturbance review","description":"Flag solvent-removal operations for peroxide review. Cornell lists diethyl ether among peroxide formers hazardous on concentration and identifies container conditions requiring EHS contact instead of testing. [Cornell EHS](https://ehs.cornell.edu/research-safety/chemical-safety/laboratory-safety-manual/appendix-j-peroxide-forming-chemicals)","questions":[{"text":"Does the proposed operation remove solvent, heat the material or disturb a container whose condition is uncertain?","id":"concentration-and-disturbance-review-q01","kind":"action"},{"text":"Do observed deposits, container damage or closure problems require specialist assessment before sampling?","id":"concentration-and-disturbance-review-q02","kind":"action"}]}]},{"id":"classification-and-disposition","name":"Classification and disposition","description":"Maintain traceable decisions applicable to the identified material.","findings":[{"id":"applicable-control-record","name":"Applicable control record","description":"Record classification, any substance-specific exposure limit and authorized disposition with their evidential scope; leave unsupported determinations unresolved.","questions":[{"text":"Which authoritative hazard classifications or exposure limits apply to this identity and composition in the relevant jurisdiction?","id":"applicable-control-record-q01","kind":"provenance"},{"text":"Which qualified assessment establishes the material's permitted next action and disposition?","id":"applicable-control-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 diethyl ether peroxide this model covers, and on what evidence?","id":"evidence-confidence-notes-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 diethyl ether peroxide this model covers, and on what evidence?","id":"evidence-real-world-use-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 diethyl ether peroxide 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 diethyl ether peroxide this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Warn that old or opened diethyl ether can form dangerous peroxides and must be treated as a hazard.","Advise contacting a qualified hazardous waste or safety team when peroxide formation is suspected.","Report storage, dating and testing policies from laboratory safety guidance."],"mustNot":["Move, open, heat or concentrate a container suspected of peroxide formation.","Provide procedures for isolating or concentrating peroxides.","Treat the peroxide material as a single well-defined substance without analytical evidence.","Dispose of suspect containers in ordinary waste."],"requiresHuman":["Any handling or disposal of a container suspected of containing peroxides."]},"ethics":{"considerations":["Peroxide explosions can kill or maim laboratory workers and cleaners.","Clear rules on dating and disposing of solvents protect people who inherit old stock."],"affectedParties":["Laboratory workers","Cleaners and waste handlers","Emergency responders"]},"owners":{"steward":"The laboratory that holds the solvent; its safety officer answers for peroxide control.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11173","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.diethyl-ether-peroxide","Wikidata: Q3487286 (https://www.wikidata.org/wiki/Q3487286)"]},"properties":{"applicability":"required","items":["Identity resolution: structure-confirmed | name-matched | unresolved","Chemical identifier mapping: Structure-linked PubChem CID, CAS number and EC number, each with source and verification status","Material form: identified constituent in solution | characterized substance sample | unresolved peroxide-containing mixture","Species concentration or purity: mol/L, mg/L or mass %, with analyte identity, method and uncertainty","Total peroxide result: Reported units with calibration basis, detection limit, method and timestamp; ppm requires an explicit basis","Matrix composition: Diethyl ether, water, inhibitor and other identified constituents with fractions where known","Physical and thermal observations: Phase at stated °C and kPa; transition or decomposition observations with method and composition","Storage and exposure history: Dated opening, oxygen/light exposure, temperature history, inhibitor evidence and solvent-loss observations; unknown allowed","Applicable hazard determination: Source-backed classification for specified composition, jurisdiction and date, or unresolved"]},"recognition":{"applicability":"required","items":["Crystals, a viscous residue or cloudiness in or around the cap of an old ether container.","Containers past their opening or expiry date without a test record."]},"capabilities":{"applicability":"required","items":["Resolve the registry label against structural evidence and retain unresolved identity explicitly.","Associate confirmed hydroperoxide observations with the ether sample containing it.","Compare peroxide measurements only after checking analyte, calibration basis, method and sample history.","Flag missing or stale evidence before a proposed operation involving peroxide-bearing ether.","Route suspicious material to qualified safety assessment and record the resulting disposition decision."]},"hazards":{"applicability":"required","items":["Explosion on shock, friction or heating.","Fire from the flammable solvent.","Injury to people who unknowingly handle old containers."]},"interfaces":{"applicability":"required","items":["Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations."]},"context":{"applicability":"required","items":["The name diethyl ether peroxide is encountered in chemical safety records and investigations of peroxide material associated with the oxidation of diethyl ether.","It is relevant to laboratory storage assessments and chemical waste characterization, where evidence must establish whether the material is a defined compound or a peroxide-containing mixture."]}},"sources":[{"title":"Wikidata item Q3487286: diethyl ether peroxide","url":"https://www.wikidata.org/wiki/Q3487286","note":"identity and sense of the item"},{"title":"Wikipedia: Diethyl ether peroxide","url":"https://en.wikipedia.org/wiki/Diethyl_ether_peroxide","note":"general description of the item"}],"openQuestions":["Does the registry's originating record unambiguously equate diethyl ether peroxide with 1-ethoxyethyl hydroperoxide, or use the name collectively?","Which CAS and EC identifiers are verified for the intended molecular entity rather than the parent solvent or another peroxide?","Which analytical methods reliably distinguish this hydroperoxide from other peroxides in aged diethyl ether, and with what matrix limitations?","Which physical constants and decomposition data have been measured for adequately characterized material under stated conditions?","Which authoritative classifications, substance-specific exposure limits and composition-dependent action criteria apply to the resolved identity?"],"resources":{"spec":"/models/things/publications/thing-q3487286/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q3487286/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T09:09:26Z","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 2026-10-07T12:16:32+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}