Baby Safety / Compounds / Pentabromodiphenyl ether (PBDE-47)

Is Pentabromodiphenyl ether (PBDE-47) safe for babies and kids?

Moderate risk for kids

Infants face disproportionate exposure to Pentabromodiphenyl ether (PBDE-47) through dust ingestion (hand-to-mouth behavior), breast milk transfer, and dermal contact with treated textiles in cribs and car seats.

What is pentabromodiphenyl ether (pbde-47)?

CAS number
32534-97-9
SMILES
C1=CC(=C(C=C1Br)Br)OC2=CC(=C(C=C2Br)Br)Br
PubChem CID
36159

Risk for babies

Moderate risk

Infants face disproportionate exposure to Pentabromodiphenyl ether (PBDE-47) through dust ingestion (hand-to-mouth behavior), breast milk transfer, and dermal contact with treated textiles in cribs and car seats.

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 Pentabromodiphenyl ether (PBDE-47) through dust inhalation and dietary intake can affect fetal thyroid function and neurodevelopment. Flame retardants accumulate in breast milk.

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

1 regulatory bodyhas classified Pentabromodiphenyl ether (PBDE-47).

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 kids encounter pentabromodiphenyl ether (pbde-47)

  • Industrial Facilities — Manufacturing plants, Waste treatment sites
  • Occupational Environments — Factories, Warehouses

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Pentabromodiphenyl ether (PBDE-47):

  • Phosphorus-based FRs; Mineral fillers; Barrier fabrics
    Trade-offs: Eliminates chemical FR entirely through physical design (fire-blocking layers, reduced ignition propensity); requires redesign of existing products; effective per CPSC and TB 117-2013; adopted in California furniture regulation.
    Relative cost: 1.2-2×

Frequently asked questions

Is pentabromodiphenyl ether (pbde-47) safe for kids?

Infants face disproportionate exposure to Pentabromodiphenyl ether (PBDE-47) through dust ingestion (hand-to-mouth behavior), breast milk transfer, and dermal contact with treated textiles in cribs and car seats.

What products contain pentabromodiphenyl ether (pbde-47)?

Pentabromodiphenyl ether (PBDE-47) appears in: Manufacturing plants (Industrial facilities); Waste treatment sites (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

What should I do if my child is exposed to pentabromodiphenyl ether (pbde-47)?

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.

See Pentabromodiphenyl ether (PBDE-47) in the baby app

Look up products containing pentabromodiphenyl ether (pbde-47), compare to alternatives, and explore the full data record.

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Sources (1)
  1. ATSDR Toxicological Profile — CAS 32534-97-9 — reference

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 →