Baby Safety / Compounds / Quinoxaline

Is Quinoxaline safe for babies and kids?

Elevated risk for kids

Infants are more vulnerable to Quinoxaline 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 quinoxaline?

Also known as: 1,4-Benzodiazine, Benzoparadiazine, Benzopyrazine, Phenopiazine.

IUPAC name
quinoxaline
CAS number
91-19-0
Molecular formula
C8H6N2
Molecular weight
130.15 g/mol
SMILES
C1=CC=C2C(=C1)N=CC=N2
PubChem CID
7045

Risk for babies

Elevated risk

Infants are more vulnerable to Quinoxaline 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

Prenatal exposure to Quinoxaline through personal care products may affect fetal development. Some fragrance chemicals are sensitizers or endocrine-active compounds with transplacental transfer.

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 Quinoxaline.

AgencyYearClassificationNotes
PROP_652012carcinogenCalifornia Prop 65 — listed as carcinogen

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 quinoxaline

  • Personal Carefragrance formulations
  • Fragranceperfume, 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 Quinoxaline:

  • Exposure reduction / process control
    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 quinoxaline safe for kids?

Infants are more vulnerable to Quinoxaline 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 quinoxaline?

Quinoxaline appears in: fragrance formulations (Personal care); perfume (Fragrance); cologne (Fragrance).

What should I do if my child is exposed to quinoxaline?

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 Quinoxaline in the baby app

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

Open in baby View raw API data

Sources (1)

  1. PubChem Compound Database (2026) — database

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 →