Baby Safety / Compounds / Cyclohexane

Is Cyclohexane safe for babies and kids?

Moderate risk for kids

Infants are vulnerable to Cyclohexane through inhalation of volatile residues in household products. Immature blood-brain barrier and higher respiratory rate per body weight amplify CNS exposure.

What is cyclohexane?

Also known as: Hexamethylene, Hexahydrobenzene, Hexanaphthene, Cyclohexan.

IUPAC name
cyclohexane
CAS number
110-82-7
Molecular formula
C6H12
Molecular weight
84.16 g/mol
SMILES
C1CCCCC1
PubChem CID
8078

Risk for babies

Moderate risk

Infants are vulnerable to Cyclohexane through inhalation of volatile residues in household products. Immature blood-brain barrier and higher respiratory rate per body weight amplify CNS 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

Occupational and household exposure to Cyclohexane during pregnancy is associated with developmental toxicity. Solvents readily cross the placenta and can cause fetal growth restriction.

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

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

AgencyYearClassificationNotes
OSHA—Occupational exposure limit
EPA CTX / IRIS—Data are inadequate for an assessment of human carcinogenic potential
EPA CTX / Genetox—Genotoxicity: positive (Ames: positive, 4 positive / 6 negative reports)
EPA CTX / Genetox—Genotoxicity: positive (Ames: positive, 4 positive / 6 negative reports)

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 cyclohexane

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles
  • Fragrance — perfume, cologne, scented personal care products, household fragrance products, candles
    Identified in Fragrance Ingredient Safety Priority Research database (2,325 ingredients)

Safer alternatives

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

  • Fragrance-free formulations
    Trade-offs: Consumer preference for scented products
    Relative cost: Lower (ingredient elimination)
  • Essential oil-based fragrances (with disclosure)
    Trade-offs: Natural does not mean safe — many essential oils are skin sensitizers
    Relative cost: 2-5× conventional

Frequently asked questions

Is cyclohexane safe for kids?

Infants are vulnerable to Cyclohexane through inhalation of volatile residues in household products. Immature blood-brain barrier and higher respiratory rate per body weight amplify CNS exposure.

What products contain cyclohexane?

Cyclohexane appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments); perfume (Fragrance).

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

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.

Why do regulators disagree about cyclohexane?

Cyclohexane has been classified by 4 agencies including OSHA, EPA CTX / IRIS, EPA CTX / Genetox, EPA CTX / Genetox, 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 Cyclohexane in the baby app

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

Open in baby View raw API data

Sources (2)
  1. NIOSH Pocket Guide: Cyclohexane — IDLH 1300 ppm; PEL 300 ppm; CNS narcosis; no neuropathy unlike n-hexane; cyclohexanol biomarker; nylon feedstock; LEL 1.3% flammability priority (2019) (2019) — regulatory
  2. OSHA: Cyclohexane — adipic acid/nylon production; TLV 100 ppm; n-hexane neuropathy distinction; polymer/rubber solvent; flammability controls; CYP2E1 hydroxylation metabolism (2020) (2020) — 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 →