Baby Safety / Compounds / Tolyltriazole

Is Tolyltriazole 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 Tolyltriazole, 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 tolyltriazole?

The IUPAC name is methylbenzotriazole.

Also known as: methylbenzotriazole, TTA, Cobratec TT-100, 2-methyl-4-phenylbutanoic acid.

IUPAC name
methylbenzotriazole
CAS number
29385-43-1
Molecular formula
C7H7N3
Molecular weight
133.15 g/mol
SMILES
CC(CCC1=CC=CC=C1)C(=O)O
PubChem CID
16046

Risk for babies

Context-dependent

Pregnancy alters the metabolism and distribution of Tolyltriazole, 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 Tolyltriazole, 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 Tolyltriazole. The classifications differ — that's the data.

AgencyYearClassificationNotes
EU_CLP—Acute Tox. 4 (Oral); Skin Sens. 1H302 (Harmful if swallowed), H317 (May cause allergic skin reaction)
EPA——Registered industrial biocide; restricted use due to aquatic toxicity

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 tolyltriazole

  • antifreeze
  • coolant systems
  • automotive fluids
  • industrial applications

Safer alternatives

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

  • Organic acid-based inhibitors (e.g., sebacic acid derivatives)
    Trade-offs: Alternative approach; specific tradeoffs depend on application context, scale, and regulatory requirements. Full hazard assessment of alternative recommended before adoption to avoid regrettable substitution.
    Relative cost: 2-5× conventional
  • Silicate-based corrosion inhibitors for closed systems
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×
  • Molybdate-based alternatives to chromate inhibitors
    Trade-offs: Removes 95-99% of dissolved contaminants including metals, PFAS, nitrates; wastes 2-4 gallons per gallon produced (improving with newer systems); removes beneficial minerals; $0.05-0.25/gallon; requires pre-treatment for longevity.
    Relative cost: 1.2-2×

Frequently asked questions

What products contain tolyltriazole?

Tolyltriazole appears in: antifreeze; coolant systems; automotive fluids.

See Tolyltriazole in the baby app

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

Open in baby View raw API data

Sources (2)
  1. PubChem Compound CID 16046 — database
  2. ATSDR Toxicological Profile — CAS 29385-43-1 — 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 →