Outdoor & Yard / Compounds / Cyanazine

Cyanazine in the yard and garden

Moderate risk for your yard

Cyanazine — herbicide.

What is cyanazine?

Also known as: Bladex, Fortrol, Payze, Cyanazin.

CAS number
21725-46-2
Molecular formula
C9H13ClN6
Molecular weight
240.69 g/mol
SMILES
CCNC1=NC(=NC(=N1)Cl)NC(C)(C)C#N
PubChem CID
30773

Risk for people, pets,

Moderate risk

Cyanazine — herbicide.

Regulatory consensus

1 regulatory bodyhas classified Cyanazine.

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 cyanazine

  • Agricultural Products — crop treatment

Safer alternatives

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

  • 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 cyanazine safe for your yard?

Cyanazine — herbicide.

What products contain cyanazine?

Cyanazine appears in: crop treatment (Agricultural products).

See Cyanazine in the outdoor app

Look up products containing cyanazine, 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 →