Sodium Laureth Sulfate
✓ EU AllowedIdentification
CAS Number 9004-82-4
EINECS / EC 266-192-5
CosIng Ref 79585
Chemical Name sodium 2-dodecoxyethyl sulfate
IUPAC Name —
Formula C14H29NaO5S
Mol. Weight 332.43 g/mol
SMILES CCCCCCCCCCCCOCCOS(=O)(=O)[O-].[Na+]
InChIKey ASEFUFIKYOCPIJ-UHFFFAOYSA-M
Function & Classification
Primary Function Surfactant
Secondary Functions Cleansing, Foam Boosting
Origin Synthetic
Category Surfactants
Manufacturer BASF SE
EU Regulatory Status
Safety Profile
1 / 10
Comedogenic Rating: 1/5
Low risk — should be fine for most skin types
Skin Type Compatibility
Acne-Prone ✓ Safe
Fungal Acne Safe ✓ Safe
Toxicology Profile
NOAEL 50 mg/kg bw/day (oral, rat, 90-day) CIR 2019
Sensitization Non-sensitizer
Genotoxicity Non-genotoxic
Phototoxicity Non-phototoxic
Dermal Absorption 3.5%
LD₅₀ Oral 1600 mg/kg (rat)
LD₅₀ Dermal >2000 mg/kg (rabbit)
Skin Irritation (Draize) 1.5 / 4.0
Eye Irritation (Draize) 2.5 / 4.0 ⚠
Formulation Guidelines
Benefits Excellent foam; cleansing
Suppliers & Documents
BASF SE 🇩🇪 Germany
Documents