Baby Safety / Compounds / Sodium alpha-olefin sulfonate (C14-16)

Is Sodium alpha-olefin sulfonate (C14-16) safe for babies and kids?

Elevated risk for kids

Infants are exposed to Sodium alpha-olefin sulfonate (C14-16) through residues on laundered clothing, baby wipes, and bathing products. Immature skin barrier increases dermal absorption.

What is sodium alpha-olefin sulfonate (c14-16)?

The IUPAC name is sodium alkene-1-sulfonate (C14-C16 fraction).

Also known as: sodium alkene-1-sulfonate (C14-C16 fraction), AOS, sodium secondary alkane sulfonate, SAS.

IUPAC name
sodium alkene-1-sulfonate (C14-C16 fraction)
CAS number
68439-57-6
Molecular formula
C14-16H29SO3Na (mixture)

Risk for babies

Elevated risk

Infants are exposed to Sodium alpha-olefin sulfonate (C14-16) through residues on laundered clothing, baby wipes, and bathing products. Immature skin barrier increases dermal 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 Sodium alpha-olefin sulfonate (C14-16) through consumer products may affect fetal development. Surfactant compounds can enhance dermal absorption of co-occurring chemicals during pregnancy.

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 Sodium alpha-olefin sulfonate (C14-16).

AgencyYearClassificationNotes
EU_CLP—Skin Irrit. 2; Eye Irrit. 2AGenerally safer alternative to straight-chain alkane sulfonates

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 sodium alpha-olefin sulfonate (c14-16)

  • premium shampoo
  • natural cleaners
  • baby products
  • dish soap

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Sodium alpha-olefin sulfonate (C14-16):

  • Decyl glucoside or other alkyl polyglucosides (APGs) — milder, plant-derived
    Trade-offs: Consumer preference for 'natural' label; many natural fragrance compounds are potent allergens (limonene, linalool, eugenol); 'natural' ≠ 'safe'; often more expensive than synthetic equivalents.
    Relative cost: 2-5× conventional
  • Sodium cocoyl isethionate (SCI) — low irritation potential
    Trade-offs: Alternative surfactant; performance characteristics (foaming, emulsification, wetting) vary; biodegradability and aquatic toxicity should be assessed; formulation adjustment may be needed.
    Relative cost: 1.2-2×
  • Sodium lauroyl glutamate — amino acid-based, very mild
    Trade-offs: Extremely mild (pH 5.5-6.5); biodegradable; derived from amino acids and fatty acids; premium ingredient cost; excellent consumer perception; lower foam volume than sulfate surfactants.
    Relative cost: 1.2-2×
  • Cocamidopropyl betaine (amphoteric) — gentler than anionic surfactants
    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

Is sodium alpha-olefin sulfonate (c14-16) safe for kids?

Infants are exposed to Sodium alpha-olefin sulfonate (C14-16) through residues on laundered clothing, baby wipes, and bathing products. Immature skin barrier increases dermal absorption.

What products contain sodium alpha-olefin sulfonate (c14-16)?

Sodium alpha-olefin sulfonate (C14-16) appears in: premium shampoo; natural cleaners; baby products.

What should I do if my child is exposed to sodium alpha-olefin sulfonate (c14-16)?

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 Sodium alpha-olefin sulfonate (C14-16) in the baby app

Look up products containing sodium alpha-olefin sulfonate (c14-16), compare to alternatives, and explore the full data record.

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Sources (2)
  1. PubChem Compound CID 8073 — database
  2. ATSDR Toxicological Profile — CAS 68439-57-6 — 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 →