Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone

INCI: BIS-TRIMETHOXYSILYLETHYL TETRAMETHYLDISILOXYETHYL DIMETHICONE

CAS Number
Not assigned
Function
Film-forming agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not individually CIR-reviewed; falls within the dimethicone/methicone polymer class reviewed by CIR as safe

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

Trimethoxysilyl groups can release methanol upon hydrolysis; residual methanol should be controlled. Inhalation exposure in spray products should be evaluated.

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Concern Level: Low

Frequently Asked Questions

Is Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone safe in cosmetics?

Trimethoxysilyl groups can release methanol upon hydrolysis; residual methanol should be controlled. Inhalation exposure in spray products should be evaluated. The EU classifies Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone as "permitted". Safety rating: GOOD.

Is Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone allowed in the EU?

Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone do in cosmetics?

Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone functions as: Film-forming agent. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned.

What is the Margin of Safety for Bis-Trimethoxysilylethyl Tetramethyldisiloxyethyl Dimethicone?

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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