Baby Safety / Compounds / Propionaldehyde

Is Propionaldehyde safe for babies and kids?

High risk for kids

Infants may be exposed to Propionaldehyde through residual monomer migration from food-contact plastics, bottles, and packaging. Immature hepatic conjugation and renal clearance prolong internal exposure.

What is propionaldehyde?

Also known as: propanal, Propanaldehyde, Propylaldehyde, Propaldehyde.

CAS number
123-38-6
Molecular formula
C3H6O
Molecular weight
58.08 g/mol
SMILES
CCC=O
PubChem CID
527

Risk for babies

High risk

Infants may be exposed to Propionaldehyde through residual monomer migration from food-contact plastics, bottles, and packaging. Immature hepatic conjugation and renal clearance prolong internal exposure.

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 residual Propionaldehyde from food-contact materials is a concern due to potential developmental toxicity. Monomers may leach from plastics at elevated temperatures.

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

1 regulatory bodyhas classified Propionaldehyde.

AgencyYearClassificationNotes
Unknown——

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 propionaldehyde

  • Industrial Facilities — manufacturing, chemical processing

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Propionaldehyde:

  • Bio-based monomers; Enclosed processes; Exposure controls
    Trade-offs: Does not eliminate the hazard but reduces exposure to acceptable levels; requires ongoing maintenance and monitoring; PPE as last resort; OSHA hierarchy of controls framework.
    Relative cost: 2-5× conventional

Frequently asked questions

Is propionaldehyde safe for kids?

Infants may be exposed to Propionaldehyde through residual monomer migration from food-contact plastics, bottles, and packaging. Immature hepatic conjugation and renal clearance prolong internal exposure.

What products contain propionaldehyde?

Propionaldehyde appears in: manufacturing (Industrial facilities); chemical processing (Industrial facilities).

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

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 Propionaldehyde in the baby app

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

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Sources (1)
  1. PubChem (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 →