Baby Safety / Compounds / Nonylphenol (NP) and nonylphenol ethoxylates (NPEs)

Is Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) safe for babies and kids?

Elevated risk for kids

Infants accumulate Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

What is nonylphenol (np) and nonylphenol ethoxylates (npes)?

The IUPAC name is 2-nonylphenol.

Also known as: 2-nonylphenol, Phenol, nonyl-, Nonyl phenol, n-Nonylphenol.

IUPAC name
2-nonylphenol
CAS number
25154-52-3
Molecular formula
C15H24O
Molecular weight
220.35 g/mol
SMILES
CCCCCCCCCC1=CC=CC=C1O
PubChem CID
67296

Risk for babies

Elevated risk

Infants accumulate Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

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

Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) persists in maternal adipose tissue and is mobilized during pregnancy and lactation. Lipophilic pollutants concentrate in breast milk and cross the placenta during critical developmental windows.

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

10 regulatory and scientific bodies have classified Nonylphenol (NP) and nonylphenol ethoxylates (NPEs). The classifications differ — that's the data.

AgencyYearClassificationNotes
EURegulated substance
EPA CTX / Skin-EyeSkin Irritation: Skin Corr. 1B (score: very high)
EPA CTX / Skin-EyeSkin Sensitization: SkinSens1 (score: high)
EPA CTX / Skin-EyeEye Irritation: Serious eye damage/eye irritation - Category 2 (score: high)
EPA CTX / Skin-EyeSkin Irritation: Skin corrosion/irritation - Category 2 (score: high)
EPA CTX / Skin-EyeEye Irritation: Category 1 (score: very high)
EPA CTX / Skin-EyeSkin Irritation: Category 1C (score: very high)
EPA CTX / Skin-EyeSkin Sensitization: Not classified (score: low)
EPA CTX / Skin-EyeEye Irritation: Category 8.3A (Category 1) (score: very high)
EPA CTX / Skin-EyeSkin Irritation: Category 8.2B (Category 1B) (score: very high)

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 nonylphenol (np) and nonylphenol ethoxylates (npes)

  • Industrial FacilitiesManufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational EnvironmentsFactories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Nonylphenol (NP) and nonylphenol ethoxylates (NPEs):

  • Fragrance-free formulations
    Trade-offs: Consumer preference for scented products
    Relative cost: Lower (ingredient elimination)
  • Essential oil-based fragrances (with disclosure)
    Trade-offs: Natural does not mean safe — many essential oils are skin sensitizers
    Relative cost: 2-5× conventional

Frequently asked questions

Is nonylphenol (np) and nonylphenol ethoxylates (npes) safe for kids?

Infants accumulate Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

What products contain nonylphenol (np) and nonylphenol ethoxylates (npes)?

Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) 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 nonylphenol (np) and nonylphenol ethoxylates (npes)?

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 nonylphenol (np) and nonylphenol ethoxylates (npes)?

Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) has been classified by 10 agencies including EU, 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 Nonylphenol (NP) and nonylphenol ethoxylates (NPEs) in the baby app

Look up products containing nonylphenol (np) and nonylphenol ethoxylates (npes), compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (2)

  1. EU: Nonylphenol and Nonylphenol Ethoxylates — Restriction Regulation (Directive 2003/53/EC), Textile Import Restriction (>0.01% NP by weight), Priority Hazardous Substance Classification (Water Framework Directive), EQS 0.3 μg/L, Industrial Detergent Ban, Breast Milk and Cord Blood Biomonitoring (2020) (2020) — regulatory
  2. US EPA: Nonylphenol Aquatic Life Criteria — Intersex Fish at 1 μg/L (Vitellogenin Induction), Chronic Aquatic Toxicity, Wastewater Treatment Plant Effluent NP Concentrations, Bioconcentration Factor 300-1,000, and US Voluntary Phase-Out Agreement with Detergent Industry (2005) (2005) — 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 →