Baby Safety / Compounds / Anisyl alcohol (4-methoxybenzyl alcohol)

Is Anisyl alcohol (4-methoxybenzyl alcohol) safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to Anisyl alcohol (4-methoxybenzyl alcohol) 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 anisyl alcohol (4-methoxybenzyl alcohol)?

The IUPAC name is (4-methoxyphenyl)methanol.

Also known as: (4-methoxyphenyl)methanol, 4-METHOXYBENZYL ALCOHOL, Anise alcohol, Anisyl alcohol.

IUPAC name
(4-methoxyphenyl)methanol
CAS number
105-13-5
Molecular formula
C8H10O2
Molecular weight
138.16 g/mol
SMILES
COC1=CC=C(C=C1)CO
PubChem CID
7738

Risk for babies

Moderate risk

Infants are more vulnerable to Anisyl alcohol (4-methoxybenzyl alcohol) 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

Prenatal exposure to Anisyl alcohol (4-methoxybenzyl alcohol) through personal care products may affect fetal development. Some fragrance chemicals are sensitizers or endocrine-active compounds with transplacental transfer.

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

2 regulatory and scientific bodies have classified Anisyl alcohol (4-methoxybenzyl alcohol). The classifications differ — that's the data.

AgencyYearClassificationNotes
IFRA2024restrictionIFRA 51st Amendment — concentration limits
EU_COSMETICS2023allergen_disclosureEU Reg 2023/1545 — expanded allergen list

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 anisyl alcohol (4-methoxybenzyl alcohol)

  • Personal Care — perfume, soap, lotion, shampoo
  • Consumer Products — cleaning products, air fresheners
  • Fragrance — perfume, cologne, scented personal care products, household fragrance products, candles
    Identified in Fragrance Ingredient Safety Priority Research database (2,325 ingredients)

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Anisyl alcohol (4-methoxybenzyl alcohol):

  • Phenylethyl alcohol
    Trade-offs: Alternative fragrance ingredient; individual safety profile should be assessed per IFRA standards; sensitization potential varies by compound; patch testing recommended for sensitive individuals.
    Relative cost: 1.2-2×
  • Benzyl alcohol
    Trade-offs: Alternative fragrance ingredient; individual safety profile should be assessed per IFRA standards; sensitization potential varies by compound; patch testing recommended for sensitive individuals.
    Relative cost: 1.2-2×

Frequently asked questions

Is anisyl alcohol (4-methoxybenzyl alcohol) safe for kids?

Infants are more vulnerable to Anisyl alcohol (4-methoxybenzyl alcohol) 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 anisyl alcohol (4-methoxybenzyl alcohol)?

Anisyl alcohol (4-methoxybenzyl alcohol) appears in: perfume (Personal care); soap (Personal care); cleaning products (Consumer products); air fresheners (Consumer products); perfume (Fragrance).

What should I do if my child is exposed to anisyl alcohol (4-methoxybenzyl alcohol)?

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 Anisyl alcohol (4-methoxybenzyl alcohol) in the baby app

Look up products containing anisyl alcohol (4-methoxybenzyl alcohol), compare to alternatives, and explore the full data record.

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Sources (1)
  1. PubChem Compound Database (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 →