Baby Safety / Compounds / Sodium stearoyl-2-lactylate (SSL; E481)

Is Sodium stearoyl-2-lactylate (SSL; E481) safe for babies and kids?

Low risk for kids

Infants are more vulnerable to Sodium stearoyl-2-lactylate (SSL; E481) 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 sodium stearoyl-2-lactylate (ssl; e481)?

The IUPAC name is sodium 2-(2-octadecanoyloxypropanoyloxy)propanoate.

Also known as: sodium 2-(2-octadecanoyloxypropanoyloxy)propanoate, Sodium stearoyl-2-lactylate, Sodium stearoyl lactylate, Sodium 2-stearoyllactate.

IUPAC name
sodium 2-(2-octadecanoyloxypropanoyloxy)propanoate
CAS number
25383-99-7
Molecular formula
C24H43NaO6
Molecular weight
450.6 g/mol
SMILES
CCCCCCCCCCCCCCCCCC(=O)OC(C)C(=O)OC(C)C(=O)[O-].[Na+]
PubChem CID
23671849

Risk for babies

Low risk

Infants are more vulnerable to Sodium stearoyl-2-lactylate (SSL; E481) 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

Pregnancy alters the metabolism and distribution of Sodium stearoyl-2-lactylate (SSL; E481), 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

1 regulatory bodyhas classified Sodium stearoyl-2-lactylate (SSL; E481).

AgencyYearClassificationNotes
IARC2020Not evaluated by IARC for carcinogenicity — Sodium stearoyl-2-lactylate (SSL; E481; CAS 25383-99-7; the sodium salt of the ester of stearic acid and lactic acid in a 1:2 ratio — specifically stearic acid esterified to lactyl lactate, producing stearoyl-2-lactylate with sodium counterion) is a food-grade anionic emulsifier widely used as a dough conditioner and crumb softener in bread and bakery products; FDA GRAS (21 CFR 172.846); EU E481 (quantum satis for bakery products; maximum levels apply in some categories); EFSA ADI 20 mg/kg/day (2020 re-evaluation, confirmed safe); no IARC, EPA, or EFSA carcinogenicity classification; SSL is metabolized to stearic acid, lactic acid, and sodium — all naturally occurring constituents of normal metabolism; it is among the safest and most well-characterized food emulsifiers in routine use

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 stearoyl-2-lactylate (ssl; e481)

  • 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 Sodium stearoyl-2-lactylate (SSL; E481):

  • 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 sodium stearoyl-2-lactylate (ssl; e481) safe for kids?

Infants are more vulnerable to Sodium stearoyl-2-lactylate (SSL; E481) 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 sodium stearoyl-2-lactylate (ssl; e481)?

Sodium stearoyl-2-lactylate (SSL; E481) 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 sodium stearoyl-2-lactylate (ssl; e481)?

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 stearoyl-2-lactylate (SSL; E481) in the baby app

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Sources (1)
  1. Sodium Stearoyl-2-Lactylate SSL E481 CAS 25383-99-7 Anionic Emulsifier Dough Conditioner; EFSA 2020 ADI 20 mg/kg/day Re-Evaluation EFSA Journal 2020;18(2):5952 Safe; FDA GRAS 21 CFR 172.846; Stearic Acid + 2 Lactic Acid Sodium Counterion HLB 21; Hydrolysis Stearic Acid Lactic Acid Sodium Normal Metabolic Substrates; Bread Dough Conditioner Gluten Network Strengthener 0.25-0.5% Flour; Antistaling Starch Retrogradation Delay Shelf Life; Tortillas Rollability Flexibility Cracking Prevention; CSL Calcium Stearoyl-2-Lactylate E482 Analog; Not Gut Microbiome Disruption Study Ionic Emulsifier; Typical Intake 1-5 mg/kg/day Far Below ADI (2020) — 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 →