Is Hydrazine 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 Hydrazine, 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 hydrazine?
Also known as: Levoxine, Hydrazine base, Oxytreat 35, Nitrogen hydride.
- IUPAC name
- hydrazine
- CAS number
- 302-01-2
- Molecular formula
- H4N2
- Molecular weight
- 32.046 g/mol
- SMILES
- NN
- PubChem CID
- 9321
Risk for babies
Context-dependentPregnancy alters the metabolism and distribution of Hydrazine, 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.
Risk for pregnant and nursing people
Context-dependentPregnancy alters the metabolism and distribution of Hydrazine, 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.
Regulatory consensus
25 regulatory and scientific bodies have classified Hydrazine. The classifications differ — that's the data.
| Agency | Year | Classification | Notes |
|---|---|---|---|
| IARC | 1999 | Group 2A | |
| US EPA | 1999 | likely human carcinogen | |
| EPA CTX / NIOSH | — | potential occupational carcinogen | |
| EPA CTX / IRIS | — | B2 (Probable human carcinogen - based on sufficient evidence of carcinogenicity in animals) | |
| EPA CTX / NTP RoC | — | Reasonably Anticipated to be a Human Carcinogen | |
| EPA CTX / IARC | — | Group 2A - Probably carcinogenic to humans | |
| EPA CTX / CalEPA | — | Known human carcinogen | |
| EPA CTX / Genetox | — | Genotoxicity: positive (Ames: positive, 12 positive / 3 negative reports) | |
| EPA CTX / Genetox | — | Genotoxicity: positive (Ames: positive, 12 positive / 3 negative reports) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Skin Corr. 1B (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: Skin Sens. 1 (score: high) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: Sh (score: high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Skin corrosion/irritation - Category 1 (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: Skin sensitization - Category 1 (score: high) | |
| EPA CTX / Skin-Eye | — | Eye Irritation: Category 1 (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Category 1 (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: Category 1 (score: high) | |
| EPA CTX / Skin-Eye | — | Eye Irritation: Eye Dam. 1 (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Skin Corr. 1B (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: Skin Sens. 1 (score: high) | |
| EPA CTX / Skin-Eye | — | Eye Irritation: Category 8.3A (Category 1) (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Category 8.2A (Category 1A) (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Sensitization: Category 6.5B (Category 1) (score: moderate) | |
| EPA CTX / Skin-Eye | — | skin irritation: in vivo: Studies Indicate No Significant Irritation (score: low) | |
| EPA CTX / Skin-Eye | — | eye irritation: in vivo: Studies Indicate No Significant Irritation (score: low) |
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
- Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
- Occupational Environments — Factories, Warehouses, Transportation vehicles
Safer alternatives
Lower-risk approaches that achieve a similar outcome to Hydrazine:
-
Phosphate-free corrosion inhibitors (molybdate, silicate)
Trade-offs: Higher cost. May be less effective in some aggressive environments.Relative cost: 1.2-2×
Frequently asked questions
What products contain hydrazine?
Hydrazine appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).
Why do regulators disagree about hydrazine?
Hydrazine has been classified by 25 agencies including IARC, US EPA, EPA CTX / NIOSH, EPA CTX / IRIS, EPA CTX / NTP RoC, with differing conclusions. 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. See the regulatory consensus table on this page for the full picture.
See Hydrazine in the baby app
Look up products containing hydrazine, compare to alternatives, and explore the full data record.
Open in baby View raw API dataSources (3)
- IARC Monographs Volume 71: Hydrazine — Group 2A; Lung Tumors in Mice; Hepatic Tumors in Rats; Aerospace and Boiler Worker Exposure; Isoniazid Metabolic Connection (1999) — iarc_monograph
- NIOSH: Hydrazine — REL 0.03 ppm Ceiling; Carcinogen Classification; Corrosivity; CNS Toxicity; Aerospace Propellant Hazards (1978) — regulatory
- ATSDR Toxicological Profile: Hydrazine, 1,1-Dimethylhydrazine, 1,2-Dimethylhydrazine — Carcinogenicity, Hepatotoxicity, Hemolytic Anemia, Aquatic Toxicity, Aerospace Exposure (1997) — regulatory
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 →