Baby Safety / Compounds / Propiconazole

Is Propiconazole safe for babies and kids?

Elevated risk for kids

Infants face elevated risk from Propiconazole through dietary residues and environmental drift. Developing organ systems and immature detoxification capacity increase vulnerability.

What is propiconazole?

The IUPAC name is 1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl]-1,2,4-triazole.

Also known as: 1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl]-1,2,4-triazole, Desmel, Banner, Orbit.

IUPAC name
1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl]-1,2,4-triazole
CAS number
60207-90-1
Molecular formula
C15H17Cl2N3O2
Molecular weight
342.2 g/mol
SMILES
CCCC1COC(O1)(CN2C=NC=N2)C3=C(C=C(C=C3)Cl)Cl
PubChem CID
43234

Risk for babies

Elevated risk

Infants face elevated risk from Propiconazole through dietary residues and environmental drift. Developing organ systems and immature detoxification capacity increase vulnerability.

Neonates and infants up to 12 months have incomplete blood-brain barrier development, immature Phase I/II metabolic enzymes (particularly CYP3A4, UGT1A1), and higher gastrointestinal permeability. Equivalent doses produce higher internal concentrations and longer residence times.

What to do: Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Risk for pregnant and nursing people

Elevated risk

Prenatal exposure to Propiconazole is a concern due to potential endocrine disruption and developmental toxicity. Agricultural communities show higher gestational exposure through drinking water.

Suspected reproductive toxicant (GHS H361) or suspected endocrine disruptor. Precautionary approach warranted. Animal studies or limited human data suggest developmental toxicity potential.

What to do: Minimize exposure during pregnancy and lactation. Consult healthcare provider regarding specific risks. Consider alternative products with lower hazard profiles.

Regulatory consensus

12 regulatory and scientific bodies have classified Propiconazole. The classifications differ — that's the data.

AgencyYearClassificationNotes
EPA CTX / EPA OPPGroup C Possible Human Carcinogen
EPA CTX / Skin-EyeSkin Sensitization: Skin Sens. 1 (score: high)
EPA CTX / Skin-EyeEye Irritation: Category 2B (score: moderate)
EPA CTX / Skin-EyeSkin Irritation: Not classified (score: low)
EPA CTX / Skin-EyeSkin Sensitization: Category 1 (score: high)
EPA CTX / Skin-EyeEye Irritation: Category 6.4A (Category 2A) (score: high)
EPA CTX / Skin-EyeSkin Irritation: Category 6.3B (Category 3) (score: moderate)
US_EPA2024registeredEPA-registered fungicide.
EU_REACH2019non_renewalEU non-renewal (reproductive toxicity).
EFSAADI 0.04 mg/kg bw/day. ARfD 0.1 mg/kg bw. Part of cumulative triazole assessment
EU BPRCandidate for substitution under BPR due to endocrine disruption concerns. Approved until 2025 with conditions
EPARegistered fungicide/wood preservative under FIFRA. Group C possible human carcinogen

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 kids encounter propiconazole

  • Industrial FacilitiesManufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational EnvironmentsFactories, Warehouses, Transportation vehicles
  • Wood PreservationPressure-treated lumber (copper azole formulations), Millwork and joinery treatment, Composite decking preservative
  • AgricultureCereal crop fungicide (wheat, barley, rice), Turf/golf course fungicide (Banner MAXX), Tree fruit and nut orchards
  • Paint And CoatingsIn-can paint preservative (anti-fungal), Exterior wood stain fungicide component
  • Consumer ProductsDeck stains and sealers with mildewcide, Composite lumber preservative system

Safer alternatives

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

  • Physical/mechanical pest control (IPM)
    Trade-offs: More labor-intensive. May not be sufficient for severe infestations.
    Relative cost: 1.2-2×
  • Copper-based fungicides
    Relative cost: 1.2-2×
  • Bacillus subtilis
    Relative cost: 1.2-2×
  • Trichoderma biological control
    Relative cost: 1.2-2×
  • Tebuconazole
    Relative cost: 1.2-2×
  • DCOIT (Sea-Nine)
    Relative cost: 1.2-2×

Frequently asked questions

Is propiconazole safe for kids?

Infants face elevated risk from Propiconazole through dietary residues and environmental drift. Developing organ systems and immature detoxification capacity increase vulnerability.

What products contain propiconazole?

Propiconazole appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments); Pressure-treated lumber (copper azole formulations) (Wood preservation).

What should I do if my child is exposed to propiconazole?

Minimize infant exposure through source control. For breastfeeding mothers: reduce maternal exposure. For formula-fed infants: use certified low-migration bottles and verified water sources. Consult pediatrician regarding any concerns.

Why do regulators disagree about propiconazole?

Propiconazole has been classified by 12 agencies including EPA CTX / EPA OPP, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, with differing conclusions. 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. See the regulatory consensus table on this page for the full picture.

See Propiconazole in the baby app

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

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Sources (1)

  1. US EPA: Propiconazole Registration Review — Likely Carcinogen Classification (CAR/PXR Mechanism), Dietary Risk Assessment, and Occupational Exposure (2006–2018) (2018) — regulatory

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 →