{"hq_id":"hq-c-org-000423","name":"o-Anisidine","context":"human_adult","timestamp":"2026-10-27T18:50:33.078Z","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-000423","sha256":"70a7f4d25512589b4b0e78fe9aa2b6703c4fbd923843c3b7241e5b8fc04581bf"}]},"risk_level":"high","risk_profile":{"magnitude":{"mean":0.650995,"weightedMean":0.650995,"std_dev":0.156456,"confidence_interval_95":[0.35,0.8],"source_positions":[{"source":"EPA CTX / CalEPA","year":2021,"value":0.8,"weight":0.30176},{"source":"US EPA","year":2000,"value":0.75,"weight":0.41},{"source":"IARC","year":2021,"value":0.7,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.65,"weight":0.30176},{"source":"HQ_DIRECT","year":2026,"value":0.35,"weight":0.35}]},"confidence":{"mean":0.756849,"weightedMean":0.756849,"std_dev":0.127359,"confidence_interval_95":[0.5,0.82],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.5,"weight":0.35},{"source":"IARC","year":2021,"value":0.82,"weight":0.41},{"source":"US EPA","year":2000,"value":0.82,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.82,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.82,"weight":0.30176}]},"recency":{"mean":0.553755,"weightedMean":0.553755,"std_dev":0.228859,"confidence_interval_95":[0.368,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":1,"weight":0.35},{"source":"IARC","year":2021,"value":0.5,"weight":0.41},{"source":"US EPA","year":2000,"value":0.5,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.368,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.368,"weight":0.30176}]},"methodology":{"mean":0.940796,"weightedMean":0.940796,"std_dev":0.119399,"confidence_interval_95":[0.7,1],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.7,"weight":0.35},{"source":"IARC","year":2021,"value":1,"weight":0.41},{"source":"US EPA","year":2000,"value":1,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":1,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":1,"weight":0.30176}]},"specificity":{"mean":0.783549,"weightedMean":0.783549,"std_dev":0.067659,"confidence_interval_95":[0.75,0.92],"source_positions":[{"source":"HQ_DIRECT","year":2026,"value":0.92,"weight":0.35},{"source":"IARC","year":2021,"value":0.75,"weight":0.41},{"source":"US EPA","year":2000,"value":0.75,"weight":0.41},{"source":"EPA CTX / NTP RoC","year":2021,"value":0.75,"weight":0.30176},{"source":"EPA CTX / CalEPA","year":2021,"value":0.75,"weight":0.30176}]},"consensus":{"exists":false,"strength":0,"disagreement_magnitude":0.344616,"warning":null},"outliers":[{"source":"HQ_DIRECT","value":0.35}]},"interpretation":{"summary":"Regulatory agencies show substantial disagreement. EPA CTX / CalEPA classifies as higher risk (80th percentile), while HQ_DIRECT concludes lower risk (35th percentile).","confidence_note":"Moderate-quality evidence base. Disagreement reflects methodological and interpretive differences, not data quality issues.","context_note":null,"warning":null},"sources":[{"id":"iarc_oanisidine_vol73_1999","type":"iarc_monograph","title":"IARC Monographs Volume 73: Some Chemicals That Cause Tumours of the Kidney or Urinary Bladder in Rodents — the 1999 o-anisidine evaluation, superseded by Volume 127 (2020 evaluation); Bladder Transitional Cell Carcinoma in Rats; Methemoglobin Formation; CYP Metabolism; Dye/Pigment Intermediate (1999)","year":1999},{"id":"epa_oanisidine_2000","type":"regulatory","title":"US EPA o-Anisidine Assessment: Group B2 Probable Carcinogen; OSHA PEL 0.5 mg/m³ Skin Notation; Azo Dye Manufacturing Intermediate; Methemoglobinemia Acute Toxicity; Cancer Slope Factor; Dermal Absorption Concern","year":2000},{"id":"iarc_127_oanisidine","type":"iarc_monograph","title":"IARC Monographs Volume 127: Some Aromatic Amines and Related Compounds — ortho-Anisidine Group 2A (2020 evaluation, published 2021)","year":2021},{"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":"r60-2026-09-30-d918-oehha-prop65-list-csv-own-url","type":"regulatory","title":"PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS","year":2026,"url":"https://oehha.ca.gov/sites/default/files/media/2025-01/p65chemicalslist.csv"},{"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_7000","type":"pubchem","title":"PubChem: Toxicity section (CID 7000)","url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/7000/JSON?heading=Toxicity"},{"id":"r60-2026-10-02-d983-ac4-ctx-apis-data-domains","type":"regulatory","title":"Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE)","url":"https://www.epa.gov/comptox-tools/computational-toxicology-and-exposure-apis-data-domains"},{"id":"r60-2026-10-02-d983-ac4-ctx-dashboard-release-notes","type":"regulatory","title":"CompTox Chemicals Dashboard: Release Notes (EPA)","url":"https://www.epa.gov/chemical-research/comptox-chemicals-dashboard-release-notes"},{"id":"r60-2026-09-30-d899-s1-b10-niosh-npg-npgd0034-o-anisidine","type":"regulatory","title":"NIOSH Pocket Guide to Chemical Hazards: o-Anisidine (npgd0034)","url":"https://www.cdc.gov/niosh/npg/npgd0034.html"},{"id":"pubchem-computed-cid-7000","type":"database","title":"PubChem computed properties for CID 7000 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/7000"},{"id":"pubchem-exp-cameo-chemicals-cid-7000","type":"database","title":"CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 7000; where-to-look, not a source of this value)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/7000/JSON?heading=Experimental+Properties"},{"id":"pubchem-exp-ilo-who-international-chemical-safety-ca-cid-7000","type":"database","title":"ILO-WHO International Chemical Safety Cards (ICSCs), as recorded by PubChem (Experimental Properties, CID 7000; where-to-look, not a source of this value)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/compound/7000/JSON?heading=Experimental+Properties"},{"id":"ctx_pred_dtxsid5023877","type":"reference","title":"EPA CompTox CTX API: predicted properties for DTXSID5023877 (o-Anisidine)","url":"https://comptox.epa.gov/ctx-api/chemical/property/predicted/search/by-dtxsid/DTXSID5023877"},{"id":"r60-2026-10-01-echa-annex-vi-clp-table-atp23-xlsx","type":"regulatory","title":"ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP)","url":"https://echa.europa.eu/documents/10162/17218/annex_vi_clp_table_atp23_en.xlsx/b3816c13-81a3-816d-773a-62e88c4e2700?t=1761727004499"},{"id":"pubchem-computed-structure-cid-7000","type":"database","title":"PubChem computed structure descriptors for CID 7000 (computed, not measured; as recorded by PubChem)","year":2026,"url":"https://pubchem.ncbi.nlm.nih.gov/compound/7000"},{"id":"r60-2026-09-27-d820-osha-annotated-table-z-1","type":"regulatory","title":"Permissible Exposure Limits – OSHA Annotated Table Z-1","url":"https://www.osha.gov/annotated-pels/table-z-1"},{"id":"r60-2026-10-18-a5oj-eu-cellar-32008r1272-oj","type":"regulatory","title":"Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006: Annex VI, Part 3, Table 3.1 (Official Journal L 353, 31.12.2008)","year":2008,"url":"https://publications.europa.eu/resource/celex/32008R1272"}],"sources_scope":"record","derived_markers":[],"warnings":["year_inferred:EPA CTX / NTP RoC:2021","year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:EPA CTX / NIOSH:potential occupational carcinogen","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: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:ECHA eChemPortal, as recorded by ToxValDB:skin irritation: in vivo: studies indicate no sign","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 sensitisation: in vivo (llna): ambiguous (sco"],"meta":{"synthesis_version":"1.1.0","config_version":"1.1.0","n_sources":5,"db_version":52,"warnings":["year_inferred:EPA CTX / NTP RoC:2021","year_inferred:EPA CTX / CalEPA:2021","unmapped_classification:EPA CTX / NIOSH:potential occupational carcinogen","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: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:ECHA eChemPortal, as recorded by ToxValDB:skin irritation: in vivo: studies indicate no sign","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 sensitisation: in vivo (llna): ambiguous (sco"]},"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","exposure_dermal","aquatic_life","human_teen","human_elderly","human_pregnant"]}