Bronopol (2-bromo-2-nitropropane-1,3-diol)
CAS: 52-51-7 | Type: preservative
Low Risk (Adults)
Safety Summary
Hazard Profilehazardous
Risk (Adults)Low
Risk (Children)Moderate
Risk (Dogs)Low
Risk (Cats)Low
Regulatory Status
SummaryNo major regulatory flags
NGO listOn the TEDX List of Potential Endocrine Disruptors (The Endocrine Disruption Exchange, a non-governmental list; last updated September 2018). This is a list membership, not a regulatory classification. Source: the TEDX List export (publisher's page)
Molecular FormulaC3H6BrNO4
Molecular Weight199.99
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.
- US EPA Bronopol: Group D Not Classifiable; FIFRA Antimicrobial; Nitrosamine Formation with Amines; NDELA IARC 2B; FDA 1992 Guidance Minimize Amine Co-formulation; Contact Sensitizer; Aquaculture Parasite Treatment REGULATORY · 2000
- EFSA/SCCS Bronopol: EU Cosmetics Regulation Annex V No. 34 Maximum 0.1%; Nitrosamine Prohibition <50 ppb; Article 15 N-Nitroso Restriction; Aquatic LC50 2–10 mg/L; Aquaculture Biocide Environmental Concern; Algal EC50 <1 mg/L REGULATORY · 2010
- 70 FR 67906 (2005-11-09) FR Doc 05-22255: 2-Bromo-2-Nitro-1,3-Propanediol (Bronopol); Exemptions from the Requirement of a Tolerance REGULATORY
- ECHA Annex VI to CLP: the unofficial Excel table (up to and including the 23rd ATP) (secondary: unofficial by its own statement) REGULATORY
- 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 2450) PUBCHEM
- Computational Toxicology and Exposure APIs: Data Domains (EPA CCTE) REGULATORY
- CompTox Chemicals Dashboard: Release Notes (EPA) REGULATORY
- EPA ToxRefDB 3.0 point-of-departure release (pod.csv) DATABASE
- PubChem computed properties for CID 2450 (computed, not measured; as recorded by PubChem) DATABASE · 2026
- 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) REFERENCE_DATABASE
- OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
- Permissible Exposure Limits – OSHA Annotated Table Z-1 REGULATORY
- where to look CAMEO Chemicals, as recorded by PubChem (Experimental Properties, CID 2450; 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 2450; where-to-look, not a source of this value) DATABASE · 2026
- EPA CompTox CTX API: predicted properties for DTXSID8024652 (Bronopol (2-bromo-2-nitropropane-1,3-diol)) REFERENCE
- PubChem computed structure descriptors for CID 2450 (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.
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