Baby Safety / Compounds / Methyl methacrylate (MMA)

Is Methyl methacrylate (MMA) safe for babies and kids?

Very high risk for kids

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

What is methyl methacrylate (mma)?

The IUPAC name is methyl 2-methylprop-2-enoate.

Also known as: methyl 2-methylprop-2-enoate, METHYL METHACRYLATE, Methylmethacrylate, Pegalan.

IUPAC name
methyl 2-methylprop-2-enoate
CAS number
80-62-6
Molecular formula
C5H8O2
Molecular weight
100.12 g/mol
SMILES
COC(=O)C(C)=C
PubChem CID
6658

Risk for babies

Very high risk

Infants are vulnerable to Methyl methacrylate (MMA) 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 Methyl methacrylate (MMA) 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 Methyl methacrylate (MMA). The classifications differ — that's the data.

AgencyYearClassificationNotes
EPA CTX / IRIS—E (Evidence of non-carcinogenicity for humans)
EPA CTX / IRIS—Not likely to be carcinogenic to humans
EPA CTX / IARC—Group 3 - Not classifiable as to its carcinogenicity to humans
EPA CTX / Genetox—Genotoxicity: positive (Ames: positive, 5 positive / 3 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 methyl methacrylate (mma)

  • Consumer Products — Acrylic nails, Dental composites, Bone cement, Acrylic sheets

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Methyl methacrylate (MMA):

  • 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 methyl methacrylate (mma) safe for kids?

Infants are vulnerable to Methyl methacrylate (MMA) 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 methyl methacrylate (mma)?

Methyl methacrylate (MMA) appears in: Acrylic nails (Consumer products); Dental composites (Consumer products).

What should I do if my child is exposed to methyl methacrylate (mma)?

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 methyl methacrylate (mma)?

Methyl methacrylate (MMA) has been classified by 4 agencies including EPA CTX / IRIS, EPA CTX / IRIS, EPA CTX / IARC, 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 Methyl methacrylate (MMA) in the baby app

Look up products containing methyl methacrylate (mma), compare to alternatives, and explore the full data record.

Open in baby View raw API data

Sources (3)
  1. PubChem Compound CID 6658 — database
  2. EPA CompTox Chemicals Dashboard — DTXSID2020844 — epa
  3. ATSDR Toxicological Profile — CAS 80-62-6 — 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 →