Baby Safety / Compounds / alpha-Phellandrene

Is alpha-Phellandrene safe for babies and kids?

Low risk for kids

(Babies-specific data is limited; this page draws from human adult context.) alpha-Phellandrene poses low risk to adults under normal use conditions.

What is alpha-phellandrene?

Also known as: p-Mentha-1,5-diene, Menthadiene, alpha-Fellandrene, Dihydro-p-cymene.

CAS number
99-83-2
Molecular formula
C10H16
Molecular weight
136.23 g/mol
SMILES
CC1=CCC(C=C1)C(C)C
PubChem CID
7460

Risk for babies

Low risk

alpha-Phellandrene poses low risk to adults under normal use conditions.

Regulatory consensus

2 regulatory and scientific bodies have classified alpha-Phellandrene. The classifications differ — that's the data.

AgencyYearClassificationNotes
IFRA——Approved for use in fragrance compounds
EU——Complies with EU cosmetics regulations

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 alpha-phellandrene

  • Perfume
  • Personal Care

Safer alternatives

Lower-risk approaches that achieve a similar outcome to alpha-Phellandrene:

  • Essential oil-free fragrance formulations
    Trade-offs: Allows scent without specific natural allergens; synthetic molecules can be individually safety-tested; some synthetics have their own sensitization profiles; cost comparable to natural blends.
    Relative cost: Lower (ingredient elimination)
  • Naturally-derived isolates with established safety profiles (e.g., linalool, limonene at controlled concentrations)
    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: 2-5× conventional
  • Fragrance-free product alternatives
    Trade-offs: Eliminates allergen risk entirely; consumer acceptance varies (some associate scent with cleanliness/efficacy); growing market segment; regulatory advantage in EU (no IFRA compliance needed).
    Relative cost: Lower (ingredient elimination)
  • Encapsulated fragrance technologies (reduced skin contact)
    Trade-offs: Reduces dermal contact by 60-90% via polymer shell release mechanism; higher formulation cost; may alter scent perception (delayed release); shell material itself requires safety assessment.
    Relative cost: 1.2-2×

Frequently asked questions

No FAQ entries generated.

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Sources (1)
  1. ATSDR Toxicological Profile — CAS 99-83-2 — reference

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 →