Baby Safety / Compounds / Phenol

Is Phenol safe for babies and kids?

Context-dependent for kids

(Babies-specific data is limited; this page draws from human pregnant context.) Pregnancy alters the metabolism and distribution of Phenol, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

What is phenol?

Also known as: carbolic acid, Hydroxybenzene, Phenic acid, Oxybenzene.

IUPAC name
phenol
CAS number
108-95-2
Molecular formula
C6H6O
Molecular weight
94.11 g/mol
SMILES
C1=CC=C(C=C1)O
PubChem CID
996

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Phenol, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

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

Risk for pregnant and nursing people

Context-dependent

Pregnancy alters the metabolism and distribution of Phenol, potentially increasing fetal exposure. The developing embryo/fetus is vulnerable during organogenesis (weeks 3-8) and neurological development. Placental transfer should be assumed.

No specific reproductive toxicity data identified, but pregnancy-specific safety data is limited for most chemicals. Precautionary minimization of exposure is recommended.

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

Regulatory consensus

25 regulatory and scientific bodies have classified Phenol. The classifications differ — that's the data.

AgencyYearClassificationNotes
IARC—Group 3
NIOSH—Occupational exposure limit
OSHA—Occupational exposure limit
EPA CTX / IRIS—Data are inadequate for an assessment of human carcinogenic potential
EPA CTX / IRIS—D (Not classifiable as to human carcinogenicity)
EPA CTX / IARC—Group 3 - Not classifiable as to its carcinogenicity to humans
EPA CTX / Health Canada—no adequate data to characterize in terms of carcinogenicity
EPA CTX / EPA OPP—Group D Not Classifiable as to Human Carcinogenicity
EPA CTX / Genetox—Genotoxicity: positive (Ames: positive, 54 positive / 6 negative reports)
EPA CTX / Genetox—Genotoxicity: positive (Ames: positive, 54 positive / 6 negative reports)
EPA CTX / Skin-Eye—Skin Irritation: Skin Corr. 1B (score: very high)
EPA CTX / Skin-Eye—Skin Sensitization: Sh (score: high)
EPA CTX / Skin-Eye—Skin Irritation: Skin corrosion/irritation - Category 1 (score: very high)
EPA CTX / Skin-Eye—Eye Irritation: Category 1 (score: very high)
EPA CTX / Skin-Eye—Skin Irritation: Category 1A-1C (score: very high)
EPA CTX / Skin-Eye—Skin Sensitization: Not classified (score: low)
EPA CTX / Skin-Eye—Eye Irritation: Eye Dam. 1 (score: very high)
EPA CTX / Skin-Eye—Skin Irritation: Skin Corr. 1B (score: very high)
EPA CTX / Skin-Eye—Eye Irritation: Category 8.3A (Category 1) (score: very high)
EPA CTX / Skin-Eye—Skin Irritation: Category 8.2B (Category 1B) (score: very high)
EPA CTX / Skin-Eye—skin corrosion: in vitro / ex vivo: Corrosive (score: very high)
EPA CTX / Skin-Eye—skin sensitisation: in vivo (non-LLNA): Not likely to be sensitizing (score: low)
EPA CTX / Skin-Eye—eye irritation: in vivo: Corrosive or Irritation Persists for > 21 days (score: very high)
OSHA2024PELOSHA PEL: 5 ppm TWA
US_EPA2024MCLDrinking water: MCLG 0.6 mg/L

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 phenol

  • 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 Phenol:

  • Physical/mechanical pest control (IPM)
    Trade-offs: More labor-intensive. May not be sufficient for severe infestations.
    Relative cost: 1.2-2×
  • Quaternary ammonium
    Relative cost: 1.2-2×
  • Hydrogen peroxide
    Relative cost: 1.2-2×
  • Bio-based phenol (lignin)
    Relative cost: 2-5× conventional

Frequently asked questions

What products contain phenol?

Phenol appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

Why do regulators disagree about phenol?

Phenol has been classified by 25 agencies including IARC, NIOSH, OSHA, EPA CTX / IRIS, EPA CTX / IRIS, 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 Phenol in the baby app

Look up products containing phenol, compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (2)
  1. OSHA: Phenol — Occupational Safety and Health Guideline, PEL (5 ppm ceiling), Skin Notation, and Emergency Response (2007) — regulatory
  2. ASPCA Animal Poison Control Center: Phenol and Phenolic Disinfectant Toxicosis in Cats and Dogs — Glucuronidation Deficiency and Clinical Management (2022) — veterinary

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 →