Baby Safety / Compounds / Aluminium oxide nanoparticles (nano-Al2O3)

Is Aluminium oxide nanoparticles (nano-Al2O3) 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 Aluminium oxide nanoparticles (nano-Al2O3), 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 aluminium oxide nanoparticles (nano-al2o3)?

The IUPAC name is dialuminum;tris(oxygen(2-)).

Also known as: dialuminum;tris(oxygen(2-)), ALUMINUM OXIDE, Aluminium oxide, Aloxite.

IUPAC name
dialuminum;tris(oxygen(2-))
CAS number
1344-28-1
Molecular formula
Al2O3
Molecular weight
101.961 g/mol
SMILES
[O-2].[O-2].[O-2].[Al+3].[Al+3]
PubChem CID
9989226

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Aluminium oxide nanoparticles (nano-Al2O3), 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 Aluminium oxide nanoparticles (nano-Al2O3), 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

5 regulatory and scientific bodies have classified Aluminium oxide nanoparticles (nano-Al2O3). The classifications differ — that's the data.

AgencyYearClassificationNotes
IARC—Group 2
EPA CTX / Genetox—Genotoxicity: positive (Ames: None, 6 positive / 2 negative reports)
EPA CTX / Genetox—Genotoxicity: positive (Ames: None, 6 positive / 2 negative reports)
EPA CTX / Skin-Eye—eye irritation: in vivo: Studies Indicate No Significant Irritation (score: low)
EPA CTX / Skin-Eye—skin irritation: in vivo: Studies Indicate No Significant Irritation (score: low)

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 aluminium oxide nanoparticles (nano-al2o3)

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Aluminium oxide nanoparticles (nano-Al2O3):

  • Inherently flame-resistant materials (wool, modacrylic, Nomex)
    Trade-offs: Higher material cost. Limited color/texture options.
    Relative cost: 1.2-2×
  • Barrier fabric technology
    Trade-offs: Adds manufacturing step and cost
    Relative cost: 1.2-2×

Frequently asked questions

What products contain aluminium oxide nanoparticles (nano-al2o3)?

Aluminium oxide nanoparticles (nano-Al2O3) appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

Why do regulators disagree about aluminium oxide nanoparticles (nano-al2o3)?

Aluminium oxide nanoparticles (nano-Al2O3) has been classified by 5 agencies including IARC, EPA CTX / Genetox, EPA CTX / Genetox, EPA CTX / Skin-Eye, EPA CTX / Skin-Eye, 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 Aluminium oxide nanoparticles (nano-Al2O3) in the baby app

Look up products containing aluminium oxide nanoparticles (nano-al2o3), compare to alternatives, and explore the full data record.

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Sources (2)
  1. EU Scientific Committee on Emerging and Newly Identified Health Risks (SCENIHR): Final Opinion on the Safety of Nanomaterials in Food — Nano-CeO2 as diesel fuel additive (Eolys); biopersistent lung particle; NTP 2-year inhalation bioassay lung tumors at high dose; redox-active antioxidant/pro-oxidant dual behavior (2015) (2015) — regulatory
  2. NIOSH Current Intelligence Bulletin 63: Occupational Exposure to Titanium Dioxide — Nano-Al2O3 comparative inhalation toxicology; PSLT biopersistence; OSHA PEL nuisance dust aluminium oxide; semiconductor CMP slurry exposure; pulmonary lymphocytic alveolitis at high dose (2012) (2012) — 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 →