Baby Safety / Compounds / Hexachlorocyclohexane (HCH, mixed isomers)

Is Hexachlorocyclohexane (HCH, mixed isomers) safe for babies and kids?

Context-dependent for kids

Infants accumulate Hexachlorocyclohexane (HCH, mixed isomers) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

What is hexachlorocyclohexane (hch, mixed isomers)?

Also known as: 1,2,3,4,5,6-Hexachlorocyclohexane, Hexachlorocyclohexane, Hexachlorzyklohexan, Hexachloride, Benzene.

CAS number
608-73-1
Molecular formula
C6H6Cl6
Molecular weight
290.8 g/mol
SMILES
C1(C(C(C(C(C1Cl)Cl)Cl)Cl)Cl)Cl
PubChem CID
727

Risk for babies

Context-dependent

Infants accumulate Hexachlorocyclohexane (HCH, mixed isomers) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

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

Regulatory consensus

1 regulatory bodyhas classified Hexachlorocyclohexane (HCH, mixed isomers).

AgencyYearClassificationNotes
EDC Assessment—Confirmed endocrine disruptor

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 hexachlorocyclohexane (hch, mixed isomers)

  • Occupational Environments — pesticide residue, contaminated soil
  • Food Chain — bioaccumulates in fatty food

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Hexachlorocyclohexane (HCH, mixed isomers):

  • N/A — exposure reduction
    Trade-offs: Exposure reduction does not eliminate the hazard but lowers risk to acceptable levels when alternatives are not available or practical. Requires ongoing monitoring and compliance.
    Relative cost: 1.2-2×

Frequently asked questions

Is hexachlorocyclohexane (hch, mixed isomers) safe for kids?

Infants accumulate Hexachlorocyclohexane (HCH, mixed isomers) through breast milk (bioconcentration), placental transfer, and dust ingestion. Persistent pollutants concentrate in fatty tissues with extended half-lives in developing organisms.

What products contain hexachlorocyclohexane (hch, mixed isomers)?

Hexachlorocyclohexane (HCH, mixed isomers) appears in: pesticide residue (Occupational environments); contaminated soil (Occupational environments); bioaccumulates in fatty food (Food chain).

What should I do if my child is exposed to hexachlorocyclohexane (hch, mixed isomers)?

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 Hexachlorocyclohexane (HCH, mixed isomers) in the baby app

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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 →