{"hq_id":"hq-p-hom-000234","name":"Clothing Storage Chemicals (Mothballs Naphthalene, Cedar, Vacuum Bags)","category":{"primary":"household","secondary":"garment_care","tags":["mothballs","naphthalene","paradichlorobenzene","cedar","storage","vacuum bags","wool","textile preservation"]},"product_tier":"HOM","overall_risk_level":"moderate","description":"Clothing storage chemicals for moth and pest prevention: mothballs contain either naphthalene (IARC Group 2B, possible carcinogen — distinctive sharp odor) or paradichlorobenzene (p-DCB — IARC Group 2B, sweet chemical odor, same as some toilet deodorizers). Both are EPA-registered pesticides — mothballs are among the most misused household pesticides. Naphthalene: toxic to children (hemolytic anemia from ingestion or prolonged inhalation in enclosed spaces). Cedar (cedarwood oil): natural moth deterrent — works by repelling adult moths but does not kill larvae. Vacuum storage bags: effective physical barrier but trapped moisture can cause mold on natural fibers.","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":1.1,"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":{"sensitive_populations":"children (ingestion — hemolytic anemia), G6PD-deficient individuals, pets","overall_risk":"moderate","primary_concerns":["Naphthalene (IARC 2B) and paradichlorobenzene (IARC 2B) — both possible carcinogens","Children: mothball ingestion (hemolytic anemia, potentially fatal)","Chronic inhalation in enclosed spaces (closet, bedroom, storage room)","Most misused household pesticide (used in gardens, attics, open areas — EPA violation)"],"exposure_routes":"Inhalation (vapors in enclosed spaces); oral (child ingestion); dermal (handling)"},"exposure":{"routes":["inhalation","dermal","oral"],"contact_types":["inhalation","skin_brief","oral_direct"],"users":["adult","child"],"duration":"months","frequency":"seasonal","scenarios":["Mothball vapors in enclosed closet or storage area (chronic inhalation)","Children: mothball ingestion (looks like candy — hemolytic anemia)","Naphthalene off-gassing into bedroom air from closet/drawer","Paradichlorobenzene: sweet odor masking toxic vapor exposure"],"notes":"EPA: mothballs are PESTICIDES — use only as directed (in enclosed container with clothing, NOT in open rooms, attics, or yards). Naphthalene: one mothball can poison a child. Hemolytic anemia from naphthalene: G6PD-deficient individuals at highest risk. p-DCB: same chemical used in some toilet bowl deodorizers — chronic inhalation linked to liver damage in animal studies. NEVER use mothballs in open areas, gardens, or animal deterrent (common misuse — EPA violation). Cedar: cedarwood oil (thujone) repels adult moths but does NOT kill eggs or larvae already in wool. Best moth prevention: clean garments before storage (moth larvae eat body oils and food stains, not clean wool)."},"consumer_guidance":{"usage_warning":"Mothballs are PESTICIDES — use ONLY in sealed container with clothing (not open rooms, attics, yards). Keep away from children (looks like candy, one ball can cause hemolytic anemia). Better alternative: clean garments thoroughly before storage (moth larvae eat body oils and food stains). Cedar repels adult moths but doesn't kill larvae. Vacuum storage bags provide physical barrier without chemicals.","safer_alternatives":["Clean garments before storage (removes moth-attracting body oils/food stains)","Cedar blocks or sachets (natural deterrent, no toxic vapors)","Lavender sachets (mild moth deterrent, pleasant scent)","Vacuum storage bags (physical barrier, no chemicals — add silica gel to prevent moisture)"]},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"EPA FIFRA — Mothball Pesticide Registration","citation":"40 CFR 152; EPA Reg. No. varies","requirements":"Mothballs are EPA-registered pesticides. Must be used only as directed on label (enclosed container with clothing). Misuse (open areas, gardens, animal deterrent) violates FIFRA.","compliance_status":null,"effective_date":null,"enforcing_agency":"EPA","penalties":"FIFRA violation penalties for misuse","source_ref":null}],"certifications":[],"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":false,"disposal_guidance":"Mothballs: hazardous waste (EPA-registered pesticide). Do not put in regular trash or flush.","hazardous_waste":true,"expected_lifespan":"3-12_months"},"formulation":{"form":"varies","key_ingredients":[],"certifications":[]},"materials":{"common":[],"concerning":[],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000017","compound_name":null,"role":"active_ingredient","typical_concentration":"98-99%"}],"identifiers":{"common_names":["clothing storage chemicals (mothballs naphthalene, cedar, vacuum bags)"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"SC Johnson","manufacturer":"SC Johnson","market_position":"mass_market","notable":"Household product conglomerate"},{"brand":"Clorox","manufacturer":"Clorox","market_position":"mass_market","notable":"Household cleaning market leader"},{"brand":"3M","manufacturer":"3M","market_position":"mass_market","notable":"Home safety and maintenance products"}],"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":"EPA FIFRA — Mothball Pesticide Registration (40 CFR 152; EPA Reg. No. varies)","jurisdiction":"USA","citation":"40 CFR 152; EPA Reg. No. varies","id":"src_007985cf"},{"id":"epa_chlorpyrifos_2021","type":"regulatory","title":"US EPA: Chlorpyrifos — Revocation of Food Tolerances","year":2021,"inherited_from_compound":"hq-c-org-000017"},{"type":"regulatory","title":"US Environmental Protection Agency (EPA)","jurisdiction":"USA","id":"src_defdd418","extraction":"description_reference"},{"type":"monograph","title":"International Agency for Research on Cancer (IARC)","jurisdiction":"International","id":"src_d9ebbaf2","extraction":"description_reference"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-14T01:28:30.090Z"}}