Baby Safety / Compounds / Citronellal

Is Citronellal safe for babies and kids?

Elevated risk for kids

Infants are more vulnerable to Citronellal 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 citronellal?

The IUPAC name is 3,7-dimethyloct-6-enal.

Also known as: 3,7-dimethyloct-6-enal, 3,7-Dimethyl-6-octenal, 6-Octenal, 3,7-dimethyl-, 2,3-Dihydrocitral.

IUPAC name
3,7-dimethyloct-6-enal
CAS number
106-23-0
Molecular formula
C10H18O
Molecular weight
154.25 g/mol
SMILES
CC(CCC=C(C)C)CC=O
PubChem CID
7794

Risk for babies

Elevated risk

Infants are more vulnerable to Citronellal 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 Citronellal 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 Citronellal. The classifications differ — that's the data.

AgencyYearClassificationNotes
IFRA2020restrictionIFRA restriction — dermal sensitization QRA limits
EU_COSMETICS2023allergen_disclosureEU Reg 2023/1545 — expanded allergen list. Mandatory disclosure

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 citronellal

  • Personal Care — perfume, soap, shampoo, cosmetics
  • Consumer Products — cleaning products, candles, 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 Citronellal:

  • Citronellol (alcohol form, less reactive)
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×
  • Hydroxycitronellal
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×
  • Citronellol (alcohol, less reactive)
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×
  • Hydroxycitronellal (with limits)
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×

Frequently asked questions

Is citronellal safe for kids?

Infants are more vulnerable to Citronellal 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 citronellal?

Citronellal appears in: perfume (Personal care); soap (Personal care); cleaning products (Consumer products); candles (Consumer products); perfume (Fragrance).

What should I do if my child is exposed to citronellal?

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 Citronellal in the baby app

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

Open in baby View raw API data

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 →