{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T21:10:47Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T10:00:00Z", "ingestedAt": "2026-10-06T06:58:17+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:52:02+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q879", "registryId": "vr.tr.bromine", "name": "bromine", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q879/", "model": { "registry_id": "vr.tr.bromine", "name": "bromine", "purpose": "Let an agent explain bromine as an element, relay its properties, uses, hazards and regulation from reference and regulatory sources, and separate the element from bromide salts and organobromine compounds.", "definition": "A dark red, volatile, corrosive liquid nonmetal, chemical element 35 and a halogen, obtained from brines and seawater; used in flame retardants, drilling fluids, agricultural fumigants, pharmaceuticals and photographic chemicals, bromine is toxic and its vapour is a severe irritant, and some organobromine compounds are restricted for ozone depletion and persistence.", "what_it_is_for": "Flame retardants, drilling fluids, fumigants, pharmaceuticals and chemicals.", "affordances": [ "explain properties and isotopes", "explain uses and production", "relay hazards and handling rules", "relay regulation of bromine compounds" ], "distinguishing_features": [ "Only nonmetal liquid at room temperature", "Halogen reactivity", "Toxic and corrosive", "Extracted from brines" ], "appearance": "Dark reddish-brown liquid that gives off a red-brown vapour with a sharp smell.", "visual_identification": [ "Element 35, halogen, liquid at room temperature", "Red-brown liquid and vapour", "Bromide salts are compounds; iodine and chlorine are neighbouring halogens" ], "physical_properties": [ { "quantity": "atomic number", "typical_range": "35", "unit": "", "note": "" }, { "quantity": "boiling point", "typical_range": "about 59", "unit": "degrees C", "note": "" }, { "quantity": "density", "typical_range": "about 3.1", "unit": "g per cubic centimetre", "note": "" }, { "quantity": "stable isotopes", "typical_range": "bromine-79 and bromine-81", "unit": "isotopes", "note": "" } ], "families_and_kinds": [ "elemental bromine", "bromide salts", "organobromine compounds such as brominated flame retardants", "bromine isotopes", "bromine in seawater and brines" ], "related_models": [ { "relation": "is a kind of", "target": "halogen", "why": "group 17" }, { "relation": "is obtained from", "target": "brine", "why": "the source" }, { "relation": "is used in", "target": "flame retardant", "why": "a main use" }, { "relation": "is related to", "target": "chlorine", "why": "the lighter halogen" } ], "identifiers": [ { "scheme": "chemical symbol", "value_or_pattern": "Br", "note": "" }, { "scheme": "CAS number", "value_or_pattern": "7726-95-6", "note": "" }, { "scheme": "UN number", "value_or_pattern": "UN1744", "note": "transport" } ], "standards_and_regulation": [ "GHS classification and labelling", "Dangerous goods transport rules", "Montreal Protocol controls on methyl bromide", "Stockholm Convention and national restrictions on some brominated flame retardants" ], "failure_modes_and_hazards": [ "Severe burns and respiratory injury from exposure", "Environmental persistence of some compounds", "Confusing bromine with bromide" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Explain bromine's properties, sources and uses with references.", "Distinguish bromine from bromide salts and organobromine compounds.", "Relay safety data sheet and regulatory information about bromine and its restricted compounds." ], "must_not": [ "Give guidance on handling, obtaining or using bromine outside lawful, properly equipped settings.", "Assist in using bromine or its compounds to harm people, animals or the environment.", "Advise pouring bromine or its waste into drains, soil or water.", "Confuse bromine with bromide in health or dosage information." ], "requires_human": [ "Any decision to store, transport or dispose of bromine.", "Responding to a bromine spill or exposure, which needs emergency services." ] }, "ethics": { "considerations": [ "Bromine causes severe burns and lung injury, so careless advice can maim people.", "Some bromine compounds harm the ozone layer and persist in the environment." ], "affected_parties": [ "Workers handling chemicals", "Bystanders and emergency responders", "The environment" ] }, "owners": { "steward": "The licensed holder of the chemical; chemical safety authorities regulate its trade and use.", "master_systems": [ "Chemical registration and inventory databases" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q879: bromine", "url": "https://www.wikidata.org/wiki/Q879", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Bromine", "url": "https://en.wikipedia.org/wiki/Bromine", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "element", "name": "Element", "description": "What bromine is.", "rationale": "Chemistry.", "layers": [ { "id": "properties", "name": "Properties", "description": "Properties.", "findings": [ { "id": "properties-finding", "name": "Properties", "description": "Properties.", "questions": [ { "text": "What are the physical, chemical and nuclear properties of bromine?", "kind": "definition" }, { "text": "Is the question about the element, a bromide or an organobromine compound?", "kind": "boundary" } ] } ] }, { "id": "production", "name": "Production", "description": "Production.", "findings": [ { "id": "production-finding", "name": "Production", "description": "Production.", "questions": [ { "text": "How is bromine extracted from brines, and who produces it, with sources?", "kind": "measurement" }, { "text": "Which entry fits brine chemistry?", "kind": "action" } ] } ] } ] }, { "id": "use", "name": "Use", "description": "Applications.", "rationale": "Uses.", "layers": [ { "id": "applications", "name": "Applications", "description": "Uses.", "findings": [ { "id": "applications-finding", "name": "Applications", "description": "Applications.", "questions": [ { "text": "How is bromine used in flame retardants, drilling, agriculture and medicine?", "kind": "provenance" }, { "text": "Which entry fits a specific compound?", "kind": "action" } ] } ] }, { "id": "regulation", "name": "Regulation", "description": "Regulated compounds.", "findings": [ { "id": "regulation-finding", "name": "Regulation", "description": "Regulation.", "questions": [ { "text": "Which bromine compounds are restricted, and why?", "kind": "provenance" }, { "text": "Which entry fits the Montreal Protocol?", "kind": "action" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Hazards and handling.", "rationale": "Safety.", "layers": [ { "id": "hazards", "name": "Hazards", "description": "Hazards.", "findings": [ { "id": "hazards-finding", "name": "Hazards", "description": "Hazards.", "questions": [ { "text": "What hazards does bromine pose, and what handling and transport rules apply?", "kind": "provenance" }, { "text": "Is the user reporting an exposure, which needs emergency services and poison control?", "kind": "boundary" } ] } ] }, { "id": "environment", "name": "Environment", "description": "Environmental issues.", "findings": [ { "id": "environment-finding", "name": "Environment", "description": "Environment.", "questions": [ { "text": "What environmental concerns surround bromine compounds, with findings attributed?", "kind": "provenance" }, { "text": "Is the presentation neutral?", "kind": "boundary" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History and biology.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "Discovery.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How was bromine discovered and named?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "biology", "name": "Biology", "description": "Biological role.", "findings": [ { "id": "biology-finding", "name": "Biology", "description": "Biology.", "questions": [ { "text": "What biological roles do bromine and bromide have?", "kind": "provenance" }, { "text": "Which entry fits trace elements?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should brominated flame retardants be a separate entry?", "How should regulatory lists be linked?", "The registry entry has merged isotope aliases; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }