{"hq_id":"hq-p-hom-000079","name":"Bleach (sodium hypochlorite-based)","category":{"primary":"household","secondary":"","tags":[]},"product_tier":"HOM","overall_risk_level":"high","description":"Household bleach is a sodium hypochlorite-based oxidizing solution used for disinfection, whitening, and removal of mold/mildew. Formulations contain hypochlorite as the active agent plus alkaline buffers, surfactants, and fragrance.","synthesis":{"derived_risk_level":"moderate_to_high","synthesis_confidence":0.673,"synthesis_method":"compound_composition","context_used":"human_child","context_source":"product_users","exposure_modifier":0.935,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","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":{"key_concern":"Caustic alkaline solution causes severe chemical burns; respiratory irritation and potential pulmonary edema from chlorine gas when mixed with acids or ammonia; acute toxicity from ingestion; chronic exposure concerns from hypochlorite degradation products","overall_risk":"high","primary_concerns":[],"sensitive_populations":"","exposure_routes":"dermal (burns), inhalation (gas), ocular (burns), oral (ingestion)"},"exposure":{"routes":["dermal","inhalation"],"contact_types":["dermal","inhalation","ocular","oral_accidental"],"users":["adult","child"],"duration":"minutes","frequency":"weekly to monthly","scenarios":["pouring or measuring bleach (vapor inhalation)","accidental splash to skin or eyes (chemical burn)","inhalation of chlorine gas from mixing with incompatible products","accidental ingestion by child"],"notes":"Exposure to Bleach (sodium hypochlorite-based) occurs via dermal, inhalation. Children and infants face higher exposure per body weight due to developing detoxification systems, higher surface-area-to-weight ratio, and behavioral factors (mouthing, crawling)."},"consumer_guidance":{"red_flags":[{"indicator":"Mixing bleach with any other cleaning product","meaning":"Can produce lethal toxic gases (chlorine or chloramine); immediate life-threatening hazard","action":"Never mix cleaners. If accidental mixing occurs, leave area immediately and call 911."},{"indicator":"Using bleach without gloves or eye protection","meaning":"Direct contact with caustic chemical will cause severe burns","action":"Always wear heavy gloves (not nitrile alone) and goggles"},{"indicator":"Respiratory symptoms (coughing, wheezing, chest tightness) during bleach use","meaning":"Suggests chlorine gas exposure or hypochlorite vapor inhalation","action":"Leave area immediately; ventilate thoroughly; seek fresh air; call poison control if symptoms persist"}],"green_flags":[{"indicator":"Product clearly labeled 'Do not mix with other products' with multiple warnings","meaning":"Manufacturer acknowledges mixing hazard; responsible labeling","verification":"Look for repeated, prominent warnings"},{"indicator":"Diluted bleach solution (lower concentration) if routine cleaning is the goal","meaning":"Lower caustic potential while maintaining disinfectant efficacy","verification":"Check label for concentration and dilution instructions"}],"what_to_look_for":[{"question":"What is the sodium hypochlorite concentration?","why_it_matters":"Higher concentration = higher caustic hazard and gas production potential"},{"question":"Are there clear 'Do Not Mix' warnings?","why_it_matters":"Indicates responsible hazard communication"},{"question":"Is this product strictly necessary for your cleaning needs?","why_it_matters":"For most household disinfection, milder alternatives are equally effective"}],"safer_alternatives":[{"name":"White vinegar solution (diluted)","notes":"Antimicrobial properties; no caustic or gas hazards; safe for most surfaces"},{"name":"Hydrogen peroxide (3-5%)","notes":"Antimicrobial; breaks down to water and oxygen; safer inhalation profile"},{"name":"Soap and hot water","notes":"Adequate for most household disinfection; no chemical hazards"}],"when_to_worry":["Accidental ingestion of bleach — call poison control immediately","Chemical burn from skin or eye contact — seek emergency medical care","Respiratory distress from inhalation — leave area and seek fresh air; call 911 if severe","Mixing with other cleaners (intentionally or accidentally) — leave area immediately and call 911"],"what_to_ask":[],"alternatives":[],"notes":null},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"Consumer Product Safety Act — Caustic and Corrosive Products","requirements":"Strict labeling for caustic/corrosive properties; warnings for mixing hazards"},{"jurisdiction":"USA","regulation":"Poison Prevention Packaging Act (PPPA)","requirements":"Child-resistant packaging required (or was required until recent exemptions)"},{"jurisdiction":"EU","regulation":"CLP Regulation (EC No 1272/2008) — Hazard Classification","requirements":"Strict classification as corrosive; labeling requirements"}],"certifications":[],"labeling":{"required_disclosures":["Sodium hypochlorite concentration","Large, prominent hazard warnings (caustic/corrosive)","Specific warnings against mixing with other products","First aid instructions for burns and ingestion","Storage and handling warnings"],"prop65_warning":{"required":false,"notes":"Generally not Prop 65 listed"},"ghs_labeling":{"required":true,"signal_word":"Danger","pictograms":["Corrosion (exploding test tubes and hand)","Toxic (skull and crossbones) — if concentration exceeds thresholds","Exclamation mark"],"hazard_statements":["Causes severe skin burns and eye damage","Harmful if swallowed","May cause respiratory irritation"]},"hidden_ingredients":{"trade_secret_protected":false,"notes":"Active ingredient and concentration must be disclosed"}},"recalls":[],"regulatory_gap":"Child-resistant packaging requirements were weakened; mixing hazards not always prominently displayed; hypochlorite degradation products (chlorine gas, hypochlorous acid) not always adequately warned against","notes":null},"lifecycle":{"recyclable":true,"disposal_guidance":"Empty container and recycle plastic bottle. Do not pour large quantities down drain.","hazardous_waste":true,"expected_lifespan":"varies (concentrations decrease over time)"},"formulation":{"form":"liquid","key_ingredients":[{"hq_id":null,"name":"Sodium Hypochlorite (NaOCl)","role":"oxidizer","concentration_pct":"0.5-5"},{"hq_id":"hq-c-ino-000019","name":"Sodium Hydroxide","role":"pH_adjuster","concentration_pct":"<0.5"},{"hq_id":null,"name":"Water","role":"solvent","concentration_pct":"94-99"},{"hq_id":null,"name":"Sodium Chloride (Stabilizer)","role":"carrier","concentration_pct":"<0.5"},{"hq_id":null,"name":"Surfactant","role":"surfactant","concentration_pct":"<0.5"}],"certifications":[]},"materials":{"common":[{"material_id":"hq-m-str-000062","material_name":"Sodium hypochlorite solution","component":"disinfectant active","prevalence":null,"notes":"Primary hazard is caustic burn and gas production"}],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000055","compound_name":"Sodium hypochlorite (NaOCl)","role":"oxidizing disinfectant","typical_concentration":null}],"identifiers":{"common_names":["bleach","sodium hypochlorite","household bleach","chlorine bleach"],"manufacturer":"Various","aliases":[],"brands":[]},"brand_examples":[{"brand":"Generic Mass-Market Brand A","manufacturer":"Consumer Products Corporation","market_position":"mass_market","notable":"Widely available mass-market option"},{"brand":"Generic Mass-Market Brand B","manufacturer":"Consumer Goods Ltd","market_position":"mass_market","notable":"Popular budget alternative"},{"brand":"Premium Brand A","manufacturer":"Premium Consumer Inc","market_position":"premium","notable":"Upscale premium positioning"},{"brand":"Professional Brand","manufacturer":"Professional Products Co","market_position":"professional","notable":"Professional/salon-grade option"},{"brand":"Specialty Eco-Brand","manufacturer":"Natural Products Ltd","market_position":"premium","notable":"Sustainable/natural product line"}],"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":[{"id":"src_001","type":"regulatory","title":"CPSC and Poison Control — Bleach Safety and Poisoning Epidemiology","year":2018,"notes":"Poisoning data and safety recommendations for household bleach"},{"id":"src_002","type":"journal","title":"Toxic chlorine and chloramine gas from household cleaner mixing","year":2014,"notes":"Clinical outcomes from accidental gas exposure from mixing cleaners"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-14T01:26:37.682Z"}}