Is Acetoin safe for babies and kids?
Very high risk for kidsInfants are more vulnerable to Acetoin 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 acetoin?
The IUPAC name is 3-hydroxybutan-2-one.
Also known as: 3-hydroxybutan-2-one, 3-hydroxy-2-butanone, Dimethylketol, Acetyl methyl carbinol.
- IUPAC name
- 3-hydroxybutan-2-one
- CAS number
- 513-86-0
- Molecular formula
- C4H8O2
- Molecular weight
- 88.11 g/mol
- SMILES
- CC(O)C(C)=O
- PubChem CID
- 179
Risk for babies
Very high riskInfants are more vulnerable to Acetoin 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 Acetoin, 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
1 regulatory bodyhas classified Acetoin.
| Agency | Year | Classification | Notes |
|---|---|---|---|
| EPA CTX / Genetox | — | Genotoxicity: positive (Ames: positive, 2 positive / 5 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 acetoin
- Consumer Products — E-cigarette liquids, Butter flavoring, Food flavoring
-
Fragrance
— perfume, cologne, scented personal care products, household fragrance products, candles
Identified in Fragrance Ingredient Safety Priority Research database (2,325 ingredients)
Safer alternatives
Lower-risk approaches that achieve a similar outcome to Acetoin:
-
Fragrance-free formulations
Trade-offs: Consumer preference for scented productsRelative cost: Lower (ingredient elimination)
-
Essential oil-based fragrances (with disclosure)
Trade-offs: Natural does not mean safe — many essential oils are skin sensitizersRelative cost: 2-5× conventional
Frequently asked questions
Is acetoin safe for kids?
Infants are more vulnerable to Acetoin 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 acetoin?
Acetoin appears in: E-cigarette liquids (Consumer products); Butter flavoring (Consumer products); perfume (Fragrance); cologne (Fragrance).
What should I do if my child is exposed to acetoin?
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 Acetoin in the baby app
Look up products containing acetoin, compare to alternatives, and explore the full data record.
Open in baby View raw API dataSources (3)
- PubChem Compound CID 179 — database
- EPA CompTox Chemicals Dashboard — DTXSID0024399 — epa
- ATSDR Toxicological Profile — CAS 513-86-0 — 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 →