Is Trichloroacetic acid (TCA) safe for babies and kids?
Elevated risk for kidsInfants are more vulnerable to Trichloroacetic acid (TCA) 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 trichloroacetic acid (tca)?
The IUPAC name is 2,2,2-trichloroacetic acid.
Also known as: 2,2,2-trichloroacetic acid, TRICHLOROACETIC ACID, Aceto-caustin, Acetic acid, trichloro-.
- IUPAC name
- 2,2,2-trichloroacetic acid
- CAS number
- 76-03-9
- Molecular formula
- C2HCl3O2
- Molecular weight
- 163.38 g/mol
- SMILES
- C(=O)(C(Cl)(Cl)Cl)O
- PubChem CID
- 6421
Risk for babies
Elevated riskInfants are more vulnerable to Trichloroacetic acid (TCA) 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.
Risk for pregnant and nursing people
Context-dependentPregnancy alters the metabolism and distribution of Trichloroacetic acid (TCA), 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.
Regulatory consensus
13 regulatory and scientific bodies have classified Trichloroacetic acid (TCA). The classifications differ — that's the data.
| Agency | Year | Classification | Notes |
|---|---|---|---|
| IARC | — | Group 3 | |
| EPA CTX / IRIS | — | Suggestive evidence of carcinogenic potential | |
| EPA CTX / IARC | — | Group 2B - Possibly carcinogenic to humans | |
| EPA CTX / CalEPA | — | Known human carcinogen | |
| EPA CTX / Genetox | — | Genotoxicity: positive (Ames: positive, 6 positive / 12 negative reports) | |
| EPA CTX / Genetox | — | Genotoxicity: positive (Ames: positive, 6 positive / 12 negative reports) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Skin Corr. 1A (score: very high) | |
| EPA CTX / Skin-Eye | — | Eye Irritation: Category 1 (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Category 1 (score: very high) | |
| EPA CTX / Skin-Eye | — | Eye Irritation: Category 8.3A (Category 1) (score: very high) | |
| EPA CTX / Skin-Eye | — | Skin Irritation: Category 8.2A (Category 1A) (score: very high) | |
| EPA CTX / Skin-Eye | — | skin sensitisation: in vivo (non-LLNA): High Frequency of Sensitization (score: high) | |
| EPA CTX / Skin-Eye | — | skin sensitisation: in vivo (non-LLNA): Not likely to be sensitizing (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 trichloroacetic acid (tca)
- 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 Trichloroacetic acid (TCA):
-
Physical/mechanical pest control (IPM)
Trade-offs: More labor-intensive. May not be sufficient for severe infestations.Relative cost: 1.2-2×
Frequently asked questions
Is trichloroacetic acid (tca) safe for kids?
Infants are more vulnerable to Trichloroacetic acid (TCA) 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 trichloroacetic acid (tca)?
Trichloroacetic acid (TCA) 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 trichloroacetic acid (tca)?
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 trichloroacetic acid (tca)?
Trichloroacetic acid (TCA) has been classified by 13 agencies including IARC, EPA CTX / IRIS, 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 Trichloroacetic acid (TCA) in the baby app
Look up products containing trichloroacetic acid (tca), compare to alternatives, and explore the full data record.
Open in baby View raw API dataSources (2)
- IARC Monographs Volume 84: Some Drinking-water Disinfectants and Contaminants, Including Arsenic — Dichloroacetic Acid Group 2A, Trichloroacetic Acid Group 3, MX Group 2B (2004) (2004) — regulatory
- US EPA: Stage 2 Disinfectants and Disinfection Byproducts Rule (40 CFR Parts 141 and 142) — TTHM MCL 80 μg/L, HAA5 MCL 60 μg/L, Locational Running Annual Average, BDCM Cancer Risk Assessment, Bladder Cancer Epidemiology (2006) (2006) — 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 →