Catechol (tobacco smoke pyrolysate)

Safety Summary

Regulatory Status

Sources

No citations are recorded specifically for the human adult context, so the record-wide source list is shown. It backs the record, not this particular band.

• IARC Monographs Volume 71 1999 Catechol Group 2B; Forestomach Tumors Rodents; Co-Carcinogen Tobacco Smoke PAH Synergy; o-Quinone DNA Adducts; COMT Oxidation; ACGIH TLV-TWA 5 ppm Skin; Skin Sensitizer; Pyrocatechol 1,2-Dihydroxybenzene; Coal Tar Phenolic REGULATORY · 1999
• US EPA IRIS — Catechol (1,2-Dihydroxybenzene; Group D Not Classifiable as to Human Carcinogenicity; oral-RfD framework; phenol-derivative metabolic-pathway profile) REGULATORY · 2002
• ECHA REACH Registration + CLP Notification — Catechol (Carc. 2 Suspected of causing cancer; Acute Tox. 4 inhalation/dermal/oral; Skin Sens. 1; Eye Dam. 1; Aquatic Acute 1) REGULATORY · 2018
• NIOSH Pocket Guide to Chemical Hazards — Catechol (REL 5 mg/m³ TWA; 'Ca' carcinogen designation; phenol-derivative manufacturing + dye-industry + photographic-developer cohort framework) REGULATORY · 2019
• Hirose M, Fukushima S, Sakata T et al. — Effects of catechol on the development of forestomach lesions in rats following initiation by N-methyl-N'-nitro-N-nitrosoguanidine (canonical IARC-71-driving co-carcinogen cohort framework) STUDY · 1986
• PROPOSITION 65 LIST OF CARCINOGENS OR REPRODUCTIVE TOXICANTS REGULATORY · 2026
• IARC Monographs, List of Classifications REGULATORY · 2026
• identity database ECHA CHEM, Download all substances: REACH registrations (ECHA's own list of REACH-registered substances) REGULATORY · 2026
• where to look PubChem: Toxicity section (CID 289) PUBCHEM
• Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE) REGULATORY
• CompTox Chemicals Dashboard: Release Notes (EPA) REGULATORY
• NIOSH Pocket Guide to Chemical Hazards - Catechol REGULATORY
• PubChem computed properties for CID 289 (computed, not measured; as recorded by PubChem) DATABASE · 2026
• where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 289; where-to-look, not a source of this value) DATABASE · 2026
• where to look ILO-WHO International Chemical Safety Cards (ICSCs), as recorded by PubChem (Experimental Properties, CID 289; where-to-look, not a source of this value) DATABASE · 2026
• EPA CompTox CTX API: predicted properties for DTXSID3020257 (Catechol (tobacco smoke pyrolysate)) REFERENCE
• ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) REGULATORY
• PubChem computed structure descriptors for CID 289 (computed, not measured; as recorded by PubChem) DATABASE · 2026

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.