Baby Safety / Compounds / Single-walled carbon nanotubes (SWCNTs)

Is Single-walled carbon nanotubes (SWCNTs) safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to Single-walled carbon nanotubes (SWCNTs) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What is single-walled carbon nanotubes (swcnts)?

Also known as: Carbon Nanotube, Elemental Carbon, Carbon, Vitreous, Carbon 12.

SMILES
C
PubChem CID
5462310

Risk for babies

Moderate risk

Infants are more vulnerable to Single-walled carbon nanotubes (SWCNTs) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

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

Pregnancy alters the metabolism and distribution of Single-walled carbon nanotubes (SWCNTs), 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

1 regulatory bodyhas classified Single-walled carbon nanotubes (SWCNTs).

AgencyYearClassificationNotes
IARC—Group 3

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 single-walled carbon nanotubes (swcnts)

  • 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 Single-walled carbon nanotubes (SWCNTs):

  • Safer process chemistry; Green chemistry alternatives; Exposure controls
    Trade-offs: Requires R&D investment to redesign synthesis routes; may reduce yield or throughput initially; long-term benefits include reduced waste treatment costs, regulatory compliance, and worker safety; 12 Principles of Green Chemistry framework available.
    Relative cost: 1.2-2×

Frequently asked questions

Is single-walled carbon nanotubes (swcnts) safe for kids?

Infants are more vulnerable to Single-walled carbon nanotubes (SWCNTs) than children or adults due to immature hepatic/renal clearance, higher intake-to-body-weight ratio, rapid organ development, and increased gastrointestinal absorption.

What products contain single-walled carbon nanotubes (swcnts)?

Single-walled carbon nanotubes (SWCNTs) appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments).

What should I do if my child is exposed to single-walled carbon nanotubes (swcnts)?

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 Single-walled carbon nanotubes (SWCNTs) in the baby app

Look up products containing single-walled carbon nanotubes (swcnts), compare to alternatives, and explore the full data record.

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Sources (2)
  1. IARC Monographs Volume 111: Some Nanomaterials and Some Fibres — SWCNT Group 3 Classification, Pulmonary Inflammation Evidence, Comparison with MWCNT-7, and Fiber Pathogenicity Assessment (2017) (2017) — regulatory
  2. NIOSH: Current Intelligence Bulletin 65 — Occupational Exposure to Carbon Nanotubes and Nanofibers; REL 1 μg/m³; SWCNT Pulmonary Toxicology; Precautionary Occupational Approach (2013) — 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 →