dioxation
Enable an agent to recognise dioxation, assess the identity and condition of a material containing it, and determine which handling or use decisions require further evidence.
Bundle → Layer → Finding → Questions Filled
6 bundles · 11 layers · 15 findings · 25 questions
Dioxation identity Resolve the registry name to a chemical identity without multiplying synonymous entries.
Name correspondence
Connect the registry term to the dioxathion reference identity.
Supported synonym match
NIST lists Dioxation among the names for dioxathion; the original registry record must establish whether that is the intended referent. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?Name=Dioxathion)
- Which originating record supplied the name dioxation to vr.tr.dioxation? provenance
- Do that record's identifiers resolve to dioxathion rather than a product or another substance? definition
Structure boundary
Define the connectivity and stereochemical coverage of the registered substance.
Connectivity and isomer scope
Require structure-level agreement and explicit treatment of unspecified stereochemistry, individual isomers and mixtures.
- Which reference structure and stereochemical specification define this entry? definition
- Does the entry cover the cis/trans mixture, and how are isomer-specific records linked without splitting registry granularity? boundary
Dioxathion material composition Describe the composition of material assigned to the substance identity.
Assay and isomers
Record parent-substance content and its stereochemical basis.
Composition supported by analysis
Keep total dioxathion assay distinct from the proportions and analytical resolution of its isomers.
- What method measures total dioxathion, and does its calibration cover the relevant isomers? measurement
- What cis/trans proportions are measured, and which components remain unresolved? measurement
Technical material boundary
Separate substance impurities from intentionally added formulation ingredients.
Non-parent components
Identify non-parent components and link formulated products to their own composition records.
- Which detected components are impurities or transformation products, and which are intentionally added ingredients? boundary
- Which certificate or analytical report supports the declared grade and impurity limits? provenance
Physical behaviour and change Qualify physical constants and material changes by composition and conditions.
Conditioned physical properties
Attach material identity and experimental conditions to phase, thermal and partitioning measurements.
Applicable property values
Accept property values only with enough context to assess their applicability to the recorded material.
- Which phase and thermal-transition measurements apply to the stated grade and isomer composition? measurement
- At what temperature, pressure and medium conditions were solubility, vapour pressure and partitioning measured? measurement
Parent-substance persistence
Track evidence of parent loss and changes in composition during storage or environmental contact.
Verified material change
Distinguish demonstrated transformation from assumptions based on chemical class.
- What studies establish changes in dioxathion assay under specified light, temperature, pH or moisture conditions? provenance
- What observed change or elapsed validated storage interval triggers reanalysis of this material? action
Hazard and exposure evidence Organise toxicological and environmental evidence that constrains interaction with dioxathion.
Toxicological applicability
Connect hazard endpoints to tested composition, exposure route and evidence quality.
Substance-specific endpoints
Require direct evidence for acute toxicity, cholinesterase effects and other relevant endpoints before assigning conclusions.
- Which authoritative assessments establish dioxathion's toxicological endpoints, including any cholinesterase effects? provenance
- What composition, route, duration and endpoint does each reported toxicity value describe? measurement
Exposure and release constraints
Connect applicable exposure benchmarks and environmental evidence to handling decisions.
Supported control basis
Record the source and applicability of controls without deriving safe exposure from missing data.
- Which current exposure limits, route-specific precautions and GHS classifications apply to this material? provenance
- Which environmental toxicity and fate evidence constrains containment and disposal of dioxathion-bearing material? action
Activity authorisation Determine what legal and product-specific evidence is required for a proposed activity.
Jurisdictional substance status
Track dated regulatory decisions for the dioxathion identity.
Dated activity status
Represent possession, import, supply, research use and disposal as separately evidenced activities.
- Which official record establishes the substance's status in the relevant jurisdiction on the decision date? provenance
- Does that record authorise, restrict or prohibit the particular proposed activity? action
Product use boundary
Keep substance-level information separate from formulation-specific authorisation.
Product-specific permission
Require a linked product authorisation when the decision concerns application of a formulation.
- Which exact product, formulation and current authorisation are associated with the intended application? boundary
- What label conditions must the product or application model verify before the activity can proceed? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Check these first
Recalled without web access and unsourced; every item is a lead to verify.
- Which of these check these first hold for the sense of dioxation this model covers, and on what evidence? provenance
Identifiers and schemes
Recalled without web access and unsourced; every item is a lead to verify.
- Which of these identifiers and schemes hold for the sense of dioxation this model covers, and on what evidence? provenance
Real-world use
Recalled without web access and unsourced; every item is a lead to verify.
- Which of these real-world use hold for the sense of dioxation this model covers, and on what evidence? provenance
Failure modes and hazards
Recalled without web access and unsourced; every item is a lead to verify.
- Which of these failure modes and hazards hold for the sense of dioxation this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Recalled without web access and unsourced; every item is a lead to verify.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of dioxation this model covers, and on what evidence? provenance
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.MAT
- Other names and narrower kinds
- S,S'-1,4-Dioxane-2,3-diyl O,O,O',O'-tetraethyl bis(phosphorodithioate)
What it is Filled
Dioxation is a name used for dioxathion, an organophosphorus pesticide historically used to control insects and mites through inhibition of acetylcholinesterase.
In scope
- Chemical identity, identifiers and the dioxation-dioxathion name correspondence
- Cis/trans composition, substance grade, assay and impurities
- Physical properties and stability under specified conditions
- Substance-specific hazard evidence and exposure constraints
- Jurisdiction-specific substance status and links to authorised products
Out of scope
- Complete pesticide formulations and their co-formulants
- Pest-management programmes, application schedules and efficacy optimisation
- Manufacturing processes and synthesis instructions
- Clinical diagnosis and treatment of poisoning
- Separate models of dioxane, other pesticides and transformation products
Why it exists Filled
Enable an agent to recognise dioxation, assess the identity and condition of a material containing it, and determine which handling or use decisions require further evidence.
Distinguishing features Filled
- Require agreement with the dioxathion identifier set, including CAS 78-34-2 and PubChem CID 6531, rather than accepting the name alone. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/78-34-2)
- Check the molecular formula C12H26O6P2S4 and the substituted dioxane structure; a dioxane ring alone does not establish identity. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/78-34-2)
- Check for the 1,4-dioxane-2,3-diyl bis(O,O-diethyl phosphorodithioate) connectivity rather than confusing the substance with unsubstituted dioxane. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?Name=Dioxathion)
- Distinguish a cis/trans substance mixture from an individually characterised isomer; preserve the stereochemical scope of each source. [NIST Chemistry WebBook](https://webbook.nist.gov/cgi/cbook.cgi?Name=Dioxathion)
- Determine whether a labelled material is the substance, technical material or a formulated product before applying purity, property or hazard data.
What robots and AI may and may not do Filled
Must not
- Give any procedure, dose or method for making, applying or obtaining it.
- Help anyone use it to poison people or animals.
- Recommend using obsolete or banned pesticide stocks.
- Advise disposal into drains, soil or ordinary waste.
Only with a human decision
- Handling or moving old pesticide stocks, which must be done by authorized services.
May
- Explain what dioxathion is, its history as a pesticide and its regulatory status from official sources.
- Identify old stocks for safe collection by authorized hazardous waste services.
- Direct people to poison control or emergency services after a suspected exposure.
Moral aspects Filled
- Organophosphate pesticides have poisoned farm workers and families, often in low-income countries.
- Obsolete stocks contaminate soil and water if abandoned.
Who is affected
- Farm workers and families
- Children near stored pesticides
- Wildlife and water
Owners Filled
Steward
The holder of any stock, under the duties set by pesticide and hazardous waste law.
Master systems
- National pesticide registration databases
Links to other meta-models Filled
parent
- Q11173 - registry parent class
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.dioxation
- Wikidata: Q2779034 (https://www.wikidata.org/wiki/Q2779034)
Direct properties required Filled
- Identity correspondence: Registry id linked to source record, CAS number, PubChem CID, verified EC number and structure identifier
- Stereochemical composition: Cis and trans fractions in mol% or mass%, with analytical basis; unresolved allowed
- Grade: Analytical reference material, purified substance, technical material or unspecified
- Dioxathion assay: Mass%, with method, uncertainty and cis/trans summation rule
- Impurity and transformation-product profile: Named components in mg/kg or mass%, with detection and quantification limits
- Physical state: Observed phase and homogeneity at recorded temperature and pressure
- Thermal behaviour: Melting or freezing range, boiling point and decomposition onset in °C, with pressure and method
- Partitioning and volatility: Water solubility in mg/L, vapour pressure in Pa and log Kow, with temperature and material composition
- Hazard classification: Source-specific GHS classes, categories and statements, including jurisdiction and revision date
- Exposure benchmark: Source-defined limit in mg/m³ or other stated units, with route, averaging period and jurisdiction; unestablished allowed
- Permitted activity status: Activity-specific authorised, restricted, prohibited, expired or unresolved, with jurisdiction and effective date
Recognition required Filled
- A container label or associated inventory may identify the substance as dioxathion or the alternative spelling dioxation.
- An accompanying composition label may distinguish the named active ingredient from a formulated mixture, but visual inspection cannot confirm chemical identity.
Capabilities and actions required Filled
- Resolve a dioxation label to a supported substance identity and flag conflicting identifiers.
- Assess whether analytical evidence establishes the stated assay and cis/trans composition.
- Select property and hazard evidence applicable to the material's grade and composition.
- Flag material whose assay, impurity profile or storage history requires reassessment.
- Check a proposed activity against current jurisdictional evidence and relevant product authorisation.
- Link a formulation or residue result to this substance without merging their distinct models.
Hazards and failure modes required Filled
- Inhibits acetylcholinesterase and can cause serious poisoning by contact, inhalation or swallowing.
- Toxic to aquatic life and wildlife.
Standards and interfaces required Filled
- Globally Harmonized System of Classification and Labelling of Chemicals (GHS), United Nations.
Context of use required Filled
- Dioxation is a name used for dioxathion, an organophosphorus pesticide historically used against insects and mites.
- It may be encountered in historical pesticide records, legacy chemical stocks and environmental residue investigations.
Sources Filled
- Wikidata item Q2779034: dioxation - identity and sense of the item
- Wikipedia: Dioxathion - general description of the item
Open questions
- Does the registry's originating record confirm the externally supported dioxation-dioxathion synonym mapping, and is an existing Vercy model already authoritative for it?
- What stereochemical scope, technical-grade specification and impurity profile should define material conformity for this entry?
- Which reliable physical-property measurements apply to each relevant grade, and where do decomposition or mixture effects prevent a single reported constant?
- Which authoritative sources establish current hazard classifications, exposure benchmarks, environmental endpoints and validated stability conditions?
- Which jurisdictions and activities need coverage, and what current official records establish substance restrictions and any product authorisations?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q2779034/spec.json