Baby Safety / Compounds / Dimethylmercury

Is Dimethylmercury 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 Dimethylmercury, 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 dimethylmercury?

Also known as: Mercury, dimethyl-, DIMETHYL MERCURY, Mercury, dimethyl, C60TQU15XY.

IUPAC name
Dimethylmercury
CAS number
593-74-8
Molecular formula
C2H6Hg
Molecular weight
230.66 g/mol
SMILES
C[Hg]C
PubChem CID
11645

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Dimethylmercury, 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 Dimethylmercury, 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 Dimethylmercury. 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 dimethylmercury

  • restricted research use only
  • specialized laboratories
  • academic research institutions

Safer alternatives

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

  • Methylmercury(II) chloride solution (dilute)
    Trade-offs: Lower volatility reduces acute inhalation risk but still toxic. Requires fume hood.
    Relative cost: Similar
  • Mercury-free ICP-MS standards (gold-stabilized)
    Trade-offs: Matrix effects may differ. Requires method revalidation.
    Relative cost: 1.5×

Frequently asked questions

What products contain dimethylmercury?

Dimethylmercury appears in: restricted research use only; specialized laboratories; academic research institutions.

See Dimethylmercury in the baby app

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

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Sources (1)
  1. ATSDR Toxicological Profile — CAS 593-74-8 — 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 →