Baby Safety / Compounds / BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether)

Is BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What is bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether)?

The IUPAC name is 1,2,4-tribromo-5-(2,4,5-tribromophenoxy)benzene.

Also known as: 1,2,4-tribromo-5-(2,4,5-tribromophenoxy)benzene, 2,2',4,4',5,5'-Hexabromodiphenyl ether, PBDE 153, BDE 153.

IUPAC name
1,2,4-tribromo-5-(2,4,5-tribromophenoxy)benzene
CAS number
68631-49-2
Molecular formula
C12H4Br6O
Molecular weight
643.6 g/mol
SMILES
C1=C(C(=CC(=C1Br)Br)Br)OC2=CC(=C(C=C2Br)Br)Br
PubChem CID
155166

Risk for babies

Moderate risk

Infants are more vulnerable to BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

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

High risk

Pregnancy alters the metabolism and distribution of BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether), potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

Known reproductive toxicant (GHS H360) or confirmed endocrine disruptor. Placental transfer is presumed. Fetal exposure during critical developmental windows may cause structural malformations, growth restriction, or functional deficits.

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

Regulatory consensus

4 regulatory and scientific bodies have classified BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether). The classifications differ — that's the data.

AgencyYearClassificationNotes
UNEP—Persistent Organic Pollutant (POP)
EPA CTX / IRIS—Inadequate information to assess carcinogenic potential
EPA CTX / Genetox—Genotoxicity: negative (Ames: negative, 0 positive / 1 negative reports)
EPA CTX / Genetox—Genotoxicity: negative (Ames: negative, 0 positive / 1 negative reports)

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 bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether)

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether):

  • Inherently flame-resistant materials (wool, modacrylic, Nomex)
    Trade-offs: Higher material cost. Limited color/texture options.
    Relative cost: 1.2-2×
  • Barrier fabric technology
    Trade-offs: Adds manufacturing step and cost
    Relative cost: 1.2-2×

Frequently asked questions

Is bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) safe for kids?

Infants are more vulnerable to BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What products contain bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether)?

BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

What should I do if my child is exposed to bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether)?

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 bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether)?

BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) has been classified by 4 agencies including UNEP, EPA CTX / IRIS, EPA CTX / Genetox, EPA CTX / Genetox, 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 BDE-153 (2,2',4,4',5,5'-hexabromodiphenyl ether) in the baby app

Look up products containing bde-153 (2,2',4,4',5,5'-hexabromodiphenyl ether), compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (1)
  1. EFSA CONTAM Panel: Polybrominated Diphenyl Ethers (PBDEs) in Food — Scientific Opinion establishing TDI 0.01 μg/kg bw/day for BDE-47; developmental neurotoxicity as critical endpoint; fish, meat, breast milk as primary dietary sources; Stockholm Convention Annex A (2011) (2011) — 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 →