{"hq_id":"hq-c-org-000098","name":"Butylated hydroxytoluene (BHT)","context":"human_adult","timestamp":"2026-10-27T20:57:50.543Z","derived_by":{"label":"ALETHEIA-derived","engine":{"commit":"a1c6e861599cc34c5db0318ea1a7ac13a327e074","commit_source":"vercel_env","tree_clean":null},"params":{"sha256":"88ae43137e58ed0cd65588409efefee0d90253da01ef4459bf9ee25f888ec9a0","files":["axes.json","context-specificity.json","regulatory-mappings.json","synthesis-params.json","thresholds.json"]},"clock":{"year":2026},"inputs":[{"id":"hq-c-org-000098","sha256":"647b0ef73f98c2b90f63caf613dc0ad866a87b9a432feb39d788479f6f946bd3"}]},"risk_level":"low","risk_profile":{"magnitude":{"mean":0.2,"weightedMean":0.2,"std_dev":0,"confidence_interval_95":[0.2,0.2],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.2,"weight":0.35}]},"confidence":{"mean":0.5,"weightedMean":0.5,"std_dev":0,"confidence_interval_95":[0.5,0.5],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35}]},"recency":{"mean":1,"weightedMean":1,"std_dev":0,"confidence_interval_95":[1,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35}]},"methodology":{"mean":0.7,"weightedMean":0.7,"std_dev":0,"confidence_interval_95":[0.7,0.7],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35}]},"specificity":{"mean":0.92,"weightedMean":0.92,"std_dev":0,"confidence_interval_95":[0.92,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0,"warning":"single_source_warning"}},"interpretation":{"summary":"Single source (HQ_DIRECT, 2026) indicates low risk.","confidence_note":"Evidence quality varies; interpretation requires caution.","context_note":null,"warning":"single_source_warning"},"sources":[{"id":"iarc_40_bht","type":"regulatory","title":"IARC Monographs Volume 40: Some Naturally Occurring and Synthetic Food Components — BHT Group 3 Evaluation (Not Classifiable as to Carcinogenicity)","year":1986},{"id":"fda_bht_gras","type":"regulatory","title":"US FDA: Butylated Hydroxytoluene (BHT) — GRAS Affirmation, Acceptable Daily Intake, and Food Additive Regulations (21 CFR 172.115)","year":2020},{"id":"r60-2026-09-25-d449-iris-118","type":"regulatory","title":"Toluene | CASRN 108-88-3 | DTXSID7021360 | IRIS | US EPA, ORD","url":"https://iris.epa.gov/ChemicalLanding/&substance_nmbr=118"},{"id":"r60-2026-09-25-d897-niosh-npg-npgd0246","type":"regulatory","title":"CDC - NIOSH Pocket Guide to Chemical Hazards - 2,6-Di-tert-butyl-p-cresol","url":"https://www.cdc.gov/niosh/npg/npgd0246.html"},{"id":"r60-2026-09-25-d867-ecfr-29cfr1915-subpartZ","type":"regulatory","title":"Subpart Z—Toxic and Hazardous Substances","url":"https://www.ecfr.gov/api/versioner/v1/full/2026-09-01/title-29.xml?part=1915&subpart=Z"},{"id":"r60-2026-09-25-d867-ecfr-29cfr1926-subpartD","type":"regulatory","title":"Subpart D—Occupational Health and Environmental Controls","url":"https://www.ecfr.gov/api/versioner/v1/full/2026-09-01/title-29.xml?part=1926&subpart=D"},{"id":"r60-2026-09-24-d867-ecfr-29cfr1910.1000","type":"regulatory","title":"§ 1910.1000 Air contaminants.","url":"https://www.ecfr.gov/api/versioner/v1/full/2026-09-22/title-29.xml?part=1910&section=1910.1000"},{"id":"r60-2026-09-27-d899-who-gdwq-4th-ed-addenda-2026-pdftotext","type":"regulatory","title":"Guidelines for drinking-water quality: fourth edition incorporating the first, second and third addenda","url":"https://iris.who.int/server/api/core/bitstreams/c60cc28e-defe-45ed-b157-71fdd43902bf/content"},{"id":"r60-2026-09-26-d867-cc1-iarc-list-of-classifications-loc-app","type":"regulatory","title":"IARC Monographs, List of Classifications","year":2026,"url":"https://monographs.iarc.who.int/list-of-classifications"},{"id":"echa-chem-reach-registrations","type":"regulatory","title":"ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances)","year":2026,"url":"https://chem.echa.europa.eu/"},{"id":"src_pubchem_tox_31404","type":"pubchem","title":"PubChem: Toxicity section (CID 31404)","url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/31404/JSON?heading=Toxicity"},{"id":"r60-2026-10-08-d974-tedx-list-full-export","type":"reference_database","title":"TEDX List of Potential Endocrine Disruptors, full export (Excel from the publisher's own search, operator-saved 2026-10-08; list last updated September 2018)","url":"https://endocrinedisruption.org/interactive-tools/tedx-list-of-potential-endocrine-disruptors/search-the-tedx-list"},{"id":"r60-2026-09-30-d918-oehha-prop65-list-csv-own-url","type":"regulatory","title":"OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26)","url":"https://oehha.ca.gov/sites/default/files/media/2025-01/p65chemicalslist.csv"},{"id":"ctx_pred_dtxsid2020216","type":"reference","title":"EPA CompTox CTX API: predicted properties for DTXSID2020216 (Butylated hydroxytoluene (BHT))","url":"https://comptox.epa.gov/ctx-api/chemical/property/predicted/search/by-dtxsid/DTXSID2020216"}],"sources_scope":"context","derived_markers":[],"warnings":["unmapped_classification:IARC:group 3","unmapped_classification:EPA CTX / IARC:group 3 - not classifiable as to its carcinogenici","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","unmapped_classification:Denmark, as recorded by ToxValDB:skin irritation: skinirr2 (score: high)","unmapped_classification:Japan, as recorded by ToxValDB:eye irritation: category 2b (score: moderate)","unmapped_classification:Japan, as recorded by ToxValDB:skin irritation: not classified (score: low)","unmapped_classification:New Zealand, as recorded by ToxValDB:skin sensitization: category 6.5b (category 1) (sc","unmapped_classification:ECHA eChemPortal, as recorded by ToxValDB:skin sensitisation: in vivo (non-llna): not likely","unmapped_classification:ECHA eChemPortal, as recorded by ToxValDB:eye irritation: in vivo: studies indicate no signi","unmapped_classification:ECHA eChemPortal, as recorded by ToxValDB:skin irritation: in vivo: studies indicate no sign","single_source_warning"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":1,"db_version":47,"warnings":["unmapped_classification:IARC:group 3","unmapped_classification:EPA CTX / IARC:group 3 - not classifiable as to its carcinogenici","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","unmapped_classification:US EPA (CompTox genotoxicity summary):epa comptox computed genotoxicity summary: positiv","unmapped_classification:Denmark, as recorded by ToxValDB:skin irritation: skinirr2 (score: high)","unmapped_classification:Japan, as recorded by ToxValDB:eye irritation: category 2b (score: moderate)","unmapped_classification:Japan, as recorded by ToxValDB:skin irritation: not classified (score: low)","unmapped_classification:New Zealand, as recorded by ToxValDB:skin sensitization: category 6.5b (category 1) (sc","unmapped_classification:ECHA eChemPortal, as recorded by ToxValDB:skin sensitisation: in vivo (non-llna): not likely","unmapped_classification:ECHA eChemPortal, as recorded by ToxValDB:eye irritation: in vivo: studies indicate no signi","unmapped_classification:ECHA eChemPortal, as recorded by ToxValDB:skin irritation: in vivo: studies indicate no sign"]},"schema":"synthesis","_notice":"ALETHEIA output is reference data, not professional advice. Not a substitute for primary agency sources or qualified professionals. See https://aletheia.holisticquality.io/disclaimer.","_disclaimer_url":"https://aletheia.holisticquality.io/disclaimer","available_contexts":["human_adult","human_child","dog","cat","human_teen","human_elderly","human_infant","human_pregnant","aquatic_life","exposure_dermal","exposure_inhalation","exposure_ingestion","exposure_ocular","occupational_exposure"]}