{"hq_id":"hq-p-fod-000074","name":"Copper Cookware (Unlined)","category":{"primary":"food_contact","secondary":"cookware","tags":["copper cookware","copper toxicity","verdigris","tin lining","Moscow mule"]},"product_tier":"FOD","overall_risk_level":"high","description":"Unlined copper cookware (pots, pans, Moscow mule mugs) without protective tin, stainless steel, or nickel lining. Acidic foods and beverages dissolve copper into food. FDA advises against unlined copper for food contact. Moscow mule mugs with acidic lime juice + low pH can leach 50+ ppm copper per serving.","synthesis":{"derived_risk_level":"moderate","synthesis_confidence":0.5,"synthesis_method":"compound_composition","context_used":"human_adult","context_source":"product_users","exposure_modifier":0.85,"vulnerability_escalated":false,"escalation_reason":null,"compounds_resolved":1,"compounds_total":1,"synthesis_date":"2026-05-09","synthesis_version":"1.2.0","methodology_note":"exposure_modifier and adjusted_magnitude are computed from ALETHEIA-calibrated heuristics (route × duration × frequency multipliers, clamped to [0.5, 1.4]). Multipliers are directionally informed by EPA Exposure Factors Handbook (2011) and CalEPA OEHHA but are not regulatory consensus. See /api/methodology for full disclosure."},"hazard_summary":{"sensitive_populations":"individuals with Wilson's disease","overall_risk":"high","primary_concerns":["Acute copper toxicity from acidic food/beverages in unlined copper — nausea, vomiting, liver damage","Chronic copper accumulation from regular use","Verdigris (copper carbonate patina) is directly toxic if ingested"],"exposure_routes":"Oral ingestion via food and beverages"},"exposure":{"routes":["oral"],"contact_types":["oral_direct"],"users":["adult"],"duration":"minutes","frequency":"weekly","scenarios":["Acidic foods in unlined copper (tomato sauce, wine reduction)","Moscow mule in unlined copper mug (lime juice pH 2-3)","Copper verdigris (green patina) on aged or improperly cleaned copper"],"notes":"FDA Food Code prohibits unlined copper for food contact with pH <6.0. Copper UL is 10 mg/day for adults. A single Moscow mule in unlined copper can deliver 5-50+ mg copper. Iowa Alcoholic Beverages Division issued 2017 advisory against copper mugs."},"consumer_guidance":{"usage_warning":"Never use unlined copper cookware for acidic foods or beverages. Ensure copper cookware has intact tin, stainless steel, or nickel lining. Do not use Moscow mule mugs with acidic cocktails unless lined. Replace lined copper when lining shows wear.","safer_alternatives":["Stainless-steel-lined copper cookware (Mauviel M'150s)","Tin-lined copper (traditional, requires periodic re-tinning)","Stainless steel or enameled cast iron for acidic cooking"],"alternatives":[{"name":"Stainless-steel-lined copper cookware","notes":"Mauviel M'150s"},{"name":"Tin-lined copper","notes":"traditional, requires periodic re-tinning"},{"name":"Stainless steel or enameled cast iron for acidic cooking","notes":"Safer alternative to conventional products"}],"red_flags":[{"indicator":"Scratched, stained, or discolored food-contact surface","meaning":"Surface damage increases chemical migration into food.","action":"Replace food-contact items showing visible wear."},{"indicator":"No FDA compliance or food-safe marking","meaning":"Materials may not meet food-contact safety standards.","action":"Choose products marked FDA-compliant or NSF certified."}],"green_flags":[{"indicator":"Third-party safety certification visible on packaging","meaning":"Product has been independently tested to applicable safety standards.","verification":"Look for certification logos (CPSIA, ASTM, EN, NSF, UL, OEKO-TEX)."}],"what_to_ask":[{"question":"What materials is this product made from?","why_it_matters":"Material composition determines chemical exposure potential.","good_answer":"Full material disclosure with known safe materials.","bad_answer":"No material information or unspecified."}]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"FDA 21 CFR Parts 170-199","citation":"21 CFR 170-199","requirements":"Food-contact materials must comply with FDA indirect food additive regulations.","compliance_status":null,"effective_date":null,"enforcing_agency":"FDA","penalties":null,"source_ref":null},{"jurisdiction":"EU","regulation":"Regulation (EC) No 1935/2004 + EU 10/2011","citation":"EC 1935/2004, EU 10/2011","requirements":"Materials must not transfer constituents to food exceeding specific migration limits.","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":null}],"certifications":[{"name":"FDA 21 CFR","issuer":"FDA","standard":"21 CFR Parts 170-199","scope":"Food contact substances"}],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":true,"disposal_guidance":"Copper is recyclable as scrap metal.","hazardous_waste":false,"expected_lifespan":"lifetime"},"formulation":{"form":"varies","key_ingredients":[{"hq_id":"hq-c-ino-000048","name":"Copper nanoparticles (nano-Cu)","role":"base_material","concentration_pct":"95-99"}],"certifications":[]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-ino-000048","compound_name":null,"role":"base_material","typical_concentration":"95-99%"}],"identifiers":{"common_names":["copper cookware (unlined)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Mauviel","manufacturer":"Mauviel","market_position":"premium","notable":"Professional copper cookware"},{"brand":"All-Clad Copper Core","manufacturer":"Groupe SEB","market_position":"premium","notable":"Copper-core stainless cookware"},{"brand":"Lagostina","manufacturer":"Groupe SEB","market_position":"premium","notable":"Italian copper cookware"}],"brand_examples_disclaimer":"Representative branded products of this category. Concerning ingredients listed in materials.concerning[] apply to the category, not necessarily to every named brand. Specific formulations vary by SKU and may have changed since this record was written; consult the brand's current ingredient label before drawing brand-level conclusions.","sources":[{"type":"expert_curation","name":"ALETHEIA Safety Database","date":"2026-03-25"},{"type":"regulation","title":"FDA 21 CFR Parts 170-199 (21 CFR 170-199)","jurisdiction":"USA","citation":"21 CFR 170-199","id":"src_131cd3dc"},{"type":"regulation","title":"Regulation (EC) No 1935/2004 + EU 10/2011 (EC 1935/2004, EU 10/2011)","jurisdiction":"EU","citation":"EC 1935/2004, EU 10/2011","id":"src_f722b4a3"},{"id":"scenihr_nano_2015","type":"regulatory","title":"EU Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR): Final Opinion on the Safety of Nanomaterials in Food — Nano-CeO2 as diesel fuel additive (Eolys); biopersistent lung particle; NTP 2-year inhalation bioassay lung tumors at high dose; redox-active antioxidant/pro-oxidant dual behavior (2015)","year":2015,"inherited_from_compound":"hq-c-ino-000048"},{"id":"niosh_nano_cu_2012","type":"regulatory","title":"NIOSH Current Intelligence Bulletin 63: Occupational Exposure to Titanium Dioxide — Nano-Cu comparative toxicology; copper nanoparticle inhalation toxicology; REL 1 mg/m³ copper dust/mist; nano-specific engineering controls guidance (2012)","year":2012,"inherited_from_compound":"hq-c-ino-000048"},{"type":"regulatory","title":"US Food and Drug Administration (FDA)","jurisdiction":"USA","id":"src_82d1cfcd","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-13T22:17:28.643Z"}}