Outdoor & Yard / Compounds / Bentazon

Bentazon in the yard and garden

Moderate risk for your yard

Bentazon — herbicide.

What is bentazon?

Also known as: Bentazone, Basagran, Bendioxide, Leader.

CAS number
25057-89-0
Molecular formula
C10H12N2O3S
Molecular weight
240.28 g/mol
SMILES
CC(C)N1C(=O)C2=CC=CC=C2NS1(=O)=O
PubChem CID
2328

Risk for people, pets,

Moderate risk

Bentazon — herbicide.

Regulatory consensus

1 regulatory bodyhas classified Bentazon.

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 bentazon

  • Agricultural Products — crop treatment

Safer alternatives

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

  • Organic mulching; Mechanical weeding; IPM
    Trade-offs: Labor-intensive; effective for small-scale or precision applications; no chemical residues; not scalable to large commercial operations without significant cost increase.
    Relative cost: 2-5× conventional

Frequently asked questions

Is bentazon safe for your yard?

Bentazon — herbicide.

What products contain bentazon?

Bentazon appears in: crop treatment (Agricultural products).

See Bentazon in the outdoor app

Look up products containing bentazon, 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 →