Is Bisphenol S (BPS) safe for babies and kids?
Elevated risk for kidsInfants are highly exposed to Bisphenol S (BPS) through mouthing of plastic toys, teethers, bottles, and food packaging leachates. Endocrine disruption risk is amplified during critical windows of reproductive and neurological development.
What is bisphenol s (bps)?
The IUPAC name is 4-(4-hydroxyphenyl)sulfonylphenol.
Also known as: 4-(4-hydroxyphenyl)sulfonylphenol, 4,4'-Sulfonyldiphenol, Bisphenol S, Bis(4-hydroxyphenyl) sulfone.
- IUPAC name
- 4-(4-hydroxyphenyl)sulfonylphenol
- CAS number
- 80-09-1
- Molecular formula
- C12H10O4S
- Molecular weight
- 250.27 g/mol
- SMILES
- C1=CC(=CC=C1O)S(=O)(=O)C2=CC=C(C=C2)O
- PubChem CID
- 6626
Risk for babies
Elevated riskInfants are highly exposed to Bisphenol S (BPS) through mouthing of plastic toys, teethers, bottles, and food packaging leachates. Endocrine disruption risk is amplified during critical windows of reproductive and neurological development.
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.
Risk for pregnant and nursing people
Moderate riskAssumed placental transfer (similar chemical properties to BPA); fetal endocrine exposure concern.
Regulatory consensus
11 regulatory and scientific bodies have classified Bisphenol S (BPS). The classifications differ — that's the data.
| Agency | Year | Classification | Notes |
|---|---|---|---|
| EU | 2023 | Evaluation in progress | EFSA evaluation |
| EPA CTX / Genetox | — | Genotoxicity: negative (Ames: negative, 0 positive / 9 negative reports) | |
| EPA CTX / Genetox | — | Genotoxicity: negative (Ames: negative, 0 positive / 9 negative reports) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: SkinSens1 (score: high) | |
| EPA CTX / Skin-Eye | — | Eye Irritation: Category 6.4A (Category 2A) (score: high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Category 6.3B (Category 3) (score: moderate) | |
| EPA CTX / Skin-Eye | — | skin corrosion: in vitro / ex vivo: Studies Indicate No Significant Irritation (score: low) | |
| EPA CTX / Skin-Eye | — | skin sensitisation: in vivo (non-LLNA): Not likely to be sensitizing (score: low) | |
| EPA CTX / Skin-Eye | — | skin irritation: in vivo: Studies Indicate No Significant Irritation (score: low) | |
| EPA CTX / Skin-Eye | — | eye irritation: in vivo: Studies Indicate No Significant Irritation (score: low) | |
| EPA CTX / Skin-Eye | — | skin sensitisation: in vivo (LLNA): Not likely to be sensitizing (score: low) |
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 bisphenol s (bps)
- Consumer Products — Plastic bottles and containers, Food packaging, Plastic toys and household items
- Drinking Water — Leaching from plastic pipes, Migration from bottled water containers
- Indoor Environments — Off-gassing from plastic furniture, Degradation of plastic products
Safer alternatives
Lower-risk approaches that achieve a similar outcome to Bisphenol S (BPS):
-
Bio-based polymer alternatives where available
Trade-offs: Performance limitations. End-of-life complexity.Relative cost: 2-5× conventional
Frequently asked questions
Is bisphenol s (bps) safe for kids?
Infants are highly exposed to Bisphenol S (BPS) through mouthing of plastic toys, teethers, bottles, and food packaging leachates. Endocrine disruption risk is amplified during critical windows of reproductive and neurological development.
What products contain bisphenol s (bps)?
Bisphenol S (BPS) appears in: Plastic bottles and containers (Consumer products); Food packaging (Consumer products); Leaching from plastic pipes (Drinking water); Migration from bottled water containers (Drinking water); Off-gassing from plastic furniture (Indoor environments).
What should I do if my child is exposed to bisphenol s (bps)?
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 bisphenol s (bps)?
Bisphenol S (BPS) has been classified by 11 agencies including EU, EPA CTX / Genetox, EPA CTX / Genetox, 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 Bisphenol S (BPS) in the baby app
Look up products containing bisphenol s (bps), compare to alternatives, and explore the full data record.
Open in baby View raw API dataSources (1)
- EFSA: Bisphenol S — Safety Assessment (in progress) (2023) — 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 →