Baby Safety / Compounds / 2-Phenylphenol OPP

Is 2-Phenylphenol OPP safe for babies and kids?

Context-dependent for kids

Infants are more vulnerable to 2-Phenylphenol OPP 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 2-phenylphenol opp?

Also known as: 2-Phenylphenol, 2-Hydroxybiphenyl, O-PHENYLPHENOL, Biphenyl-2-ol.

CAS number
90-43-7
Molecular formula
C12H10O
Molecular weight
170.21 g/mol
SMILES
C1=CC=C(C=C1)C2=CC=CC=C2O
PubChem CID
7017

Risk for babies

Context-dependent

Infants are more vulnerable to 2-Phenylphenol OPP 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

Context-dependent

Regulatory consensus

1 regulatory bodyhas classified 2-Phenylphenol OPP.

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 kids encounter 2-phenylphenol opp

  • Consumer Products — personal care, industrial, food contact

Safer alternatives

Lower-risk approaches that achieve a similar outcome to 2-Phenylphenol OPP:

  • N/A — exposure reduction
    Trade-offs: Exposure reduction does not eliminate the hazard but lowers risk to acceptable levels when alternatives are not available or practical. Requires ongoing monitoring and compliance.
    Relative cost: 1.2-2×

Frequently asked questions

Is 2-phenylphenol opp safe for kids?

Infants are more vulnerable to 2-Phenylphenol OPP 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 2-phenylphenol opp?

2-Phenylphenol OPP appears in: personal care (Consumer products); industrial (Consumer products).

What should I do if my child is exposed to 2-phenylphenol opp?

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 2-Phenylphenol OPP in the baby app

Look up products containing 2-phenylphenol opp, compare to alternatives, and explore the full data record.

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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 →