Outdoor & Yard / Compounds / Flufenacet

Flufenacet in the yard and garden

Moderate risk for your yard

Flufenacet — herbicide. See EDC classification.

What is flufenacet?

Also known as: Fluthiamide, Thiafluamide, Fluthiamid, Foe 5043.

CAS number
142459-58-3
Molecular formula
C14H13F4N3O2S
Molecular weight
363.33 g/mol
SMILES
CC(C)N(C1=CC=C(C=C1)F)C(=O)COC2=NN=C(S2)C(F)(F)F
PubChem CID
86429

Risk for people, pets,

Moderate risk

Flufenacet — herbicide. See EDC classification.

Regulatory consensus

1 regulatory bodyhas classified Flufenacet.

AgencyYearClassificationNotes
Unknown——

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 flufenacet

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

Safer alternatives

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

  • 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 flufenacet safe for your yard?

Flufenacet — herbicide. See EDC classification.

What products contain flufenacet?

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

See Flufenacet in the outdoor app

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

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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 →