Baby Safety / Compounds / Mercuric chloride

Is Mercuric chloride 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 Mercuric chloride, 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 mercuric chloride?

The IUPAC name is Mercury(II) chloride.

Also known as: Mercury(II) chloride, Dichloromercury, Mercury dichloride, Sublimate.

IUPAC name
Mercury(II) chloride
CAS number
7487-94-7
Molecular formula
HgCl2
Molecular weight
271.50 g/mol
SMILES
Cl[Hg]Cl
PubChem CID
24085

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Mercuric chloride, 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 Mercuric chloride, 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 Mercuric chloride. The classifications differ — that's the data.

AgencyYearClassificationNotes
EPA——
IARC——

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 mercuric chloride

  • laboratory use
  • fungicides (historically)
  • industrial synthesis
  • dental products (historical)

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Mercuric chloride:

  • Quaternary ammonium compounds (benzalkonium chloride)
    Trade-offs: Narrower antimicrobial spectrum. Less effective against bacterial spores.
    Relative cost: 0.5×

Frequently asked questions

What products contain mercuric chloride?

Mercuric chloride appears in: laboratory use; fungicides (historically); industrial synthesis.

See Mercuric chloride in the baby app

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

Open in baby View raw API data

Sources (1)
  1. ATSDR Toxicological Profile — CAS 7487-94-7 — 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 →