Outdoor & Yard / Compounds / Bromoxynil

Bromoxynil in the yard and garden

Moderate risk for your yard

Bromoxynil — herbicide. See EDC classification.

What is bromoxynil?

Also known as: 3,5-Dibromo-4-hydroxybenzonitrile, Brominal, Brominil, Broxynil.

CAS number
1689-84-5
Molecular formula
C7H3Br2NO
Molecular weight
276.91 g/mol
SMILES
C1=C(C=C(C(=C1Br)O)Br)C#N
PubChem CID
15531

Risk for people, pets,

Moderate risk

Bromoxynil — herbicide. See EDC classification.

Regulatory consensus

1 regulatory bodyhas classified Bromoxynil.

AgencyYearClassificationNotes
EDC Assessment—Suspected endocrine disruptor

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where your yard encounter bromoxynil

  • Agricultural Products — crop treatment, soil application
  • Food Chain — residue on produce, water contamination

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Bromoxynil:

  • Integrated Pest Management (IPM); Biopesticides; Biological control
    Trade-offs: Combines biological, cultural, and targeted chemical controls; reduces overall chemical use 30-70%; requires trained practitioners and monitoring infrastructure; higher management complexity; proven effective at scale in many crop systems.
    Relative cost: 1.2-2×

Frequently asked questions

Is bromoxynil safe for your yard?

Bromoxynil — herbicide. See EDC classification.

What products contain bromoxynil?

Bromoxynil appears in: crop treatment (Agricultural products); soil application (Agricultural products); residue on produce (Food chain); water contamination (Food chain).

See Bromoxynil in the outdoor app

Look up products containing bromoxynil, compare to alternatives, and explore the full data record.

Open in outdoor View raw API data

Sources (1)
  1. PubChem (2026) — database

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →