Baby Safety / Compounds / Carbon black

Is Carbon black safe for babies and kids?

Moderate risk for kids

Infants are more vulnerable to Carbon black 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 carbon black?

The IUPAC name is methane.

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

IUPAC name
methane
CAS number
1333-86-4
Molecular formula
C
Molecular weight
12.011 g/mol
SMILES
C
PubChem CID
5462310

Risk for babies

Moderate risk

Infants are more vulnerable to Carbon black 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 Carbon black, 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

6 regulatory and scientific bodies have classified Carbon black. The classifications differ — that's the data.

AgencyYearClassificationNotes
IARC2010Group 2B — possibly carcinogenic to humans (carbon black — IARC Monographs Volume 65, 1996; reaffirmed Volume 93, 2010; lung tumors in rats at overload doses; limited human evidence in carbon black manufacturing workers)
EPA CTX / NIOSHpotential occupational carcinogen
EPA CTX / IARCGroup 2B - Possibly carcinogenic to humans
EPA CTX / CalEPAKnown human carcinogen
EPA CTX / GenetoxGenotoxicity: positive (Ames: positive, 15 positive / 18 negative reports)
EPA CTX / GenetoxGenotoxicity: positive (Ames: positive, 15 positive / 18 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 carbon black

  • Industrial FacilitiesManufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational EnvironmentsFactories, Warehouses, Transportation vehicles

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Carbon black:

  • Tocopherol (Vitamin E) based antioxidants
    Trade-offs: Lower thermal stability than synthetic BHT/BHA for some polymer applications.
    Relative cost: 2-5× conventional

Frequently asked questions

Is carbon black safe for kids?

Infants are more vulnerable to Carbon black 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 carbon black?

Carbon black 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 carbon black?

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 carbon black?

Carbon black has been classified by 6 agencies including IARC, EPA CTX / NIOSH, EPA CTX / IARC, EPA CTX / CalEPA, 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 Carbon black in the baby app

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

Open in baby View raw API data

Sources (1)

  1. IARC Monographs Volume 65 1996 Volume 93 2010 Carbon Black Group 2B; Pulmonary Overload Rat Inhalation Lung Tumors; PAH Surface Content Benzo[a]pyrene Extractable; NIOSH REL 3.5 mg/m3 ACGIH TLV 3 mg/m3; Tire Wear Particles TWP; Furnace Black Channel Black; REACH No SVHC; TRAP Traffic-Related Air Pollution (2010) — 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 →