Diethylamine Laureth Sulfate

INCI: DIETHYLAMINE LAURETH SULFATE

CAS Number
65104-49-6 (diethylamine salt of lauryl ether sulfate)
Function
Surfactant — cleansing, foaming
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes No specific CFR prohibition, but nitrosamine-forming potential flagged by FDA

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Diethylamine moiety is a secondary amine and nitrosamine precursor; explicitly prohibited under EU Annex II/411; alternative anionic surfactants readily available.

⚠️
Concern Level: High

Frequently Asked Questions

Is Diethylamine Laureth Sulfate safe in cosmetics?

Diethylamine moiety is a secondary amine and nitrosamine precursor; explicitly prohibited under EU Annex II/411; alternative anionic surfactants readily available. The EU classifies Diethylamine Laureth Sulfate as "prohibited". Safety rating: POOR.

Is Diethylamine Laureth Sulfate allowed in the EU?

Diethylamine Laureth Sulfate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Diethylamine Laureth Sulfate do in cosmetics?

Diethylamine Laureth Sulfate functions as: Surfactant — cleansing, foaming. It is classified as a cosmetic ingredient in our database. CAS number: 65104-49-6 (diethylamine salt of lauryl ether sulfate).

What is the Margin of Safety for Diethylamine Laureth Sulfate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

📱

Is Diethylamine Laureth Sulfate 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 Diethylamine Laureth Sulfate in your formulation.