Trideceth-18

INCI: TRIDECETH-18

CAS Number
24938-91-8 (generic trideceth series)
Function
Surfactant (cleansing, emulsifying), fragrance functional
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR-reviewed under alkyl PEG ether family โ€” safe as used when formulated to be nonirritating

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual ethylene oxide and 1,4-dioxane. Higher EO count = more residual risk during synthesis

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Concern Level: None

Regulatory Flags

fragrance-component

Frequently Asked Questions

Is Trideceth-18 safe in cosmetics?

Residual ethylene oxide and 1,4-dioxane. Higher EO count = more residual risk during synthesis The EU classifies Trideceth-18 as "permitted". Safety rating: EXCELLENT.

Is Trideceth-18 allowed in the EU?

Trideceth-18 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Trideceth-18 do in cosmetics?

Trideceth-18 functions as: Surfactant (cleansing, emulsifying), fragrance functional. It is classified as a cosmetic ingredient in our database. CAS number: 24938-91-8 (generic trideceth series).

What is the Margin of Safety for Trideceth-18?

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.

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