Sodium Laureth-5 Sulfate

Also known as: Poly(oxy-1,2-ethanediyl), alpha-sulfo-omega-(dodecyloxy)-, sodium salt (1:1), Sodium dodecylpoly(oxyethylene) sulfate, Dodecyl alcohol, monoether with polyethylene glycol, hydrogen sulfate sodium salt, 81-5B, Abex 18S (+14 more)

INCI: SODIUM LAURETH-5 SULFATE

Sodium Laureth-5 Sulfate (CAS 9004-82-4) is a cosmetic cosmetic ingredient functioning as Cleansing, foaming, surfactant. NOAEL 50 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 9004-82-4 →

Auto-generated CPSR Part A draft with source citations
Function
Cleansing, foaming, surfactant
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
500-234-8

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted; FDA UNII: 410Q7WN1BX; CIR-reviewed as safe in the SLES family

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Sodium Laureth-5 Sulfate.

Calculate MoS for your specific formulation with the MoS Calculator.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Sodium Laureth-5 Sulfate across SCCS product categories, with measured dermal absorption where available.

EPA ToxValDB — Toxicity Values

2 toxicity values from EPA ToxValDB (aggregated from CCTE, HPV, ToxRefDB, IRIS, and other regulatory dossiers).

Endpoint Value Species Route Duration Source
LD50 =1600 mg/kg Rat oral - HPVIS
LD50 =1600 mg/kg Rat oral - ChemIDplus

Endocrine Disruptor Evidence (Expanded)

Cross-referenced EDC classifications, mechanism data, and dose-response evidence from EDLists, SIN List, and cosmetic-specific detail sources.

Cosmetic-Specific Mechanism
Category: surfactant
Receptor targets: ERα (via 1,4-dioxane impurity)
LOEC: N/A (impurity concern)
EU status: allowed (max 2% free 1,4-dioxane limit)

indirect modulator (contaminant)

Additional Ingredient Properties

1 property record from structured ingredient metadata.

surfactant
{"cas_number": "126276-94-4", "surfactant_type": "anionic", "chemical_class": "sulfate", "charge_at_use_ph": "negative", "cmc_critical_micelle_concentration_mm": "0.6663174208080629", "hlb_value": "14.0", "foam_volume_ml_ross_miles": "144", "foam_quality": "creamy", "foam_stability_5min_pct": "87", "cleansing_power_rating_1_to_10": "9.269436414572587", "oil_emulsification_capacity": "good", "sebum…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Cleaning agent Emulsifier Foamant Fragrance Surfactant (surface active agent)
Regulatory List Membership (4)
EU Regulated in Personal Care EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL)

Expert Verdict

Expert safety assessment and concern-level summary for Sodium Laureth-5 Sulfate.

Regulatory Flags

eu_children_restricted epa_safer_alternative ifra_fragrance

Known Synonyms

Poly(oxy-1,2-ethanediyl), alpha-sulfo-omega-(dodecyloxy)-, sodium salt (1:1) Sodium dodecylpoly(oxyethylene) sulfate Dodecyl alcohol, monoether with polyethylene glycol, hydrogen sulfate sodium salt 81-5B Abex 18S Polyoxy (1,2 ethandiyl) alpha-sulpho-omega- dodecyloxy-, sodium salt Poly(oxy-1,2-ethanediyl), .alpha.-sulfo-.omega.-(dodecyloxy)-, sodium salt (1:1) Sodium lauryl polyoxyethylene ether sulfate Conco Sulfate WE Rewopol NL-2 Sodium lauryl sulfate ethoxylate Standapol ES-3 alpha-Sulfo-omega-(dodecyloxy)poly(oxy-1,2-ethanediyl) sodium salt Texapon N40 UNII-BPV390UAP0 Sodium laureth-3 sulfate Steol CS-460 UNII-410Q7WN1BX UNII-ZZQ59TY3KG

Chemical Function

Surfactant (surface active agent) Emulsifier Cleaning agent

Regulatory Lists

inert_ingredient; Pesticides IFRA Transparency inert_ingredient; non_food_use; Pesticides SCIL (9/2019) Europe; Personal care - body hygiene - hand soap children; Europe; Personal care children; Europe; Personal care - body hygiene - body wash children; Europe; Personal care - hair styling and care - shampoo children; Europe; Personal care - specialized bath products - bubble bath children; Europe; Personal care Europe; Personal care Europe; Personal care Europe; Personal care Cleaning products and household care - laundry and fabric treatment - laundry detergent; Europe Cleaning products and household care - dishwasher and dishes - automatic dishwashing detergent; Europe Cleaning products and household care; Europe children; Europe; Personal care children; Europe; Personal care - hair styling and care - shampoo

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Sodium Laureth-5 Sulfate safe in cosmetics?

Sodium Laureth-5 Sulfate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.

Is Sodium Laureth-5 Sulfate allowed in the EU?

Sodium Laureth-5 Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Laureth-5 Sulfate do in cosmetics?

Sodium Laureth-5 Sulfate functions as: Cleansing, foaming, surfactant. It is classified as a cosmetic ingredient in our database. CAS number: 9004-82-4.

Is Sodium Laureth-5 Sulfate used outside cosmetics?

Sodium Laureth-5 Sulfate also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Sodium Laureth-5 Sulfate have different safety status in cosmetics vs industrial chemicals?

Sodium Laureth-5 Sulfate is classified GHS Danger (H315, H318, H319, H412) in the chemicals database but is allowed in EU cosmetics.

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