Baby Safety / Compounds / Phosphine

Is Phosphine 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 Phosphine, 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 phosphine?

The IUPAC name is Phosphane.

Also known as: Phosphane, Hydrogen phosphide, Phosphorus trihydride, Phosphorus hydride.

IUPAC name
Phosphane
CAS number
7803-51-2
Molecular formula
PH3
Molecular weight
33.99 g/mol
SMILES
P
PubChem CID
24404

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Phosphine, 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 Phosphine, 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

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

AgencyYearClassificationNotes
OSHA——
EPA——

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 phosphine

  • phosphine gas fumigant (direct use)
  • byproduct of aluminum/zinc phosphide fumigants
  • industrial synthesis

Safer alternatives

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

  • Heat treatment (56°C for 60 min)
    Trade-offs: High energy cost. Not suitable for heat-sensitive commodities. Requires uniform heating.
    Relative cost: Variable; 2-5× for large facilities
  • Diatomaceous earth
    Trade-offs: Slow-acting (days to weeks). Reduces grain flowability. Dusty application conditions.
    Relative cost: 0.5×

Frequently asked questions

What products contain phosphine?

Phosphine appears in: phosphine gas fumigant (direct use); byproduct of aluminum/zinc phosphide fumigants; industrial synthesis.

See Phosphine in the baby app

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

Open in baby View raw API data

Sources (1)
  1. ATSDR Toxicological Profile — CAS 7803-51-2 — 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 →