Baby Safety / Compounds / Hydrazine hydrate

Is Hydrazine hydrate safe for babies and kids?

High risk for kids

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

What is hydrazine hydrate?

Also known as: Hydrazine hydroxide, HYDRAZINE, MONOHYDRATE, Idrazina idrata, KYD297831P.

CAS number
7803-57-8
Molecular formula
H6N2O
Molecular weight
50.061 g/mol
SMILES
NN.O
PubChem CID
24654

Risk for babies

High risk

Infants may be exposed to Hydrazine hydrate 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 Hydrazine hydrate 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 Hydrazine hydrate.

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 hydrazine hydrate

  • Industrial Facilities — manufacturing, chemical processing

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Hydrazine hydrate:

  • 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 hydrazine hydrate safe for kids?

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

What products contain hydrazine hydrate?

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

What should I do if my child is exposed to hydrazine hydrate?

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 Hydrazine hydrate in the baby app

Look up products containing hydrazine hydrate, 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 →