Laureth-3

Also known as: 2-(2-(2-(Dodecyloxy)ethoxy)ethoxy)ethanol, Lauryl triglycol ether, Ethanol, 2-​[2-​[2-​(dodecyloxy)​ethoxy]​ethoxy]​-, 3,6,9-Trioxaheneicosan-1-ol, 2-[2-[2-(Dodecyloxy)ethoxy]ethanol (+14 more)

INCI: LAURETH-3

Laureth-3 (CAS 3055-94-5) is a cosmetic cosmetic ingredient functioning as Surfactant, emulsifier, penetration enhancer (HLB ≈ 7.9). 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 and pharmaceutical data.

View industrial chemical safety profile for CAS 3055-94-5 →

Auto-generated CPSR Part A draft with source citations
Function
Surfactant, emulsifier, penetration enhancer (HLB ≈ 7.9)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C18H38O4
MW
318.5 g/mol
PubChem CID
76458
IUPAC Name
2-[2-(2-dodecoxyethoxy)ethoxy]ethanol
InChIKey
FKMHSNTVILORFA-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — not restricted under 21 CFR; CIR-reviewed

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Laureth-3.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

2 property records from structured ingredient metadata.

emulsifier
{"cas_number": "9002-92-0", "ingredient_class": "O/W_emulsifier", "chemical_type": "ethoxylated_fatty_alcohol", "HLB_value": "9.2", "HLB_required_for_oil_phase": "7-11", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "1-3", "surface_tension_reduction_mN_m": "25", "interfacial_tension_reduction": "29", "foam_formation": "high", "foam_stability": "high", "liquid_crystal_formation": "high…
surfactant
{"cas_number": "3055-93-4", "surfactant_type": "nonionic", "chemical_class": "ethoxylate", "charge_at_use_ph": "neutral", "cmc_critical_micelle_concentration_mm": "0.03748548546151456", "hlb_value": "11.5", "foam_volume_ml_ross_miles": "83", "foam_quality": "airy", "foam_stability_5min_pct": "74", "cleansing_power_rating_1_to_10": "6.371496290631647", "oil_emulsification_capacity": "good", "sebum_…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Emulsifier Surfactant (surface active agent)
Regulatory List Membership (1)
EPA Safer Chemical Ingredients List (SCIL)

Expert Verdict

Expert safety assessment and concern-level summary for Laureth-3.

Regulatory Flags

epa_safer_alternative

Known Synonyms

2-(2-(2-(Dodecyloxy)ethoxy)ethoxy)ethanol Lauryl triglycol ether Ethanol, 2-​[2-​[2-​(dodecyloxy)​ethoxy]​ethoxy]​- 3,6,9-Trioxaheneicosan-1-ol 2-[2-[2-(Dodecyloxy)ethoxy]ethanol C12EO3 Dodecyl triethylene glycol Ethal 326 LEA Nikkol BL 3SY Triethylene glycol lauryl ether Tris(oxyethylene) dodecyl ether n-Dodecyl triethylene glycol ether Dodecyl alcohol triglycol ether 2-[2-[2-(dodeciloxi)etoxi]etoxi]etanol 2-[2-[2-(Dodecyloxy)ethoxy]ethoxy]ethanol 2-[2-[2-(dodecyloxy)ethoxy]ethoxy]ethanol C18H38O4 2-{2-[2-(Dodecyloxy)ethoxy]ethoxy}ethanol BRN 1779029

Chemical Function

Surfactant (surface active agent) Emulsifier

Regulatory Lists

SCIL (9/2019) detected; Europe; Toys and children's products Canada; Personal care; Substances in PCP - Canada (4/2014) Cleaning products and household care - laundry and fabric treatment - laundry detergent; Europe

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL1651993
View full pharmaceutical profile →

Frequently Asked Questions

Is Laureth-3 safe in cosmetics?

Laureth-3 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Laureth-3 allowed in the EU?

Laureth-3 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Laureth-3 do in cosmetics?

Laureth-3 functions as: Surfactant, emulsifier, penetration enhancer (HLB ≈ 7.9). It is classified as a cosmetic ingredient in our database. CAS number: 3055-94-5.

Is Laureth-3 used outside cosmetics?

Laureth-3 also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Laureth-3 have different safety status in cosmetics vs industrial chemicals?

Laureth-3 is classified GHS Danger (H302, H315, H318, H319, H400) in the chemicals database but is allowed in EU cosmetics.

Is Laureth-3 in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Laureth-3 in your formulation.