Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane

INCI: BUTYLDIMETHICONYL PROPOXYETHYLCARBAMOYLPROPYL SILSESQUIOXANE

CAS Number
Not applicable (complex silsesquioxane — proprietary; no single CAS)
Function
Skin conditioning, film forming (silicone hybrid)
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not established

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

No CIR or SCCS review available; no published toxicological data exists; the urethane (carbamoyl) linkage warrants scrutiny; CPSR Safety Assessor will require a full supplier toxicological dossier or read-across justification.

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Concern Level: High

Frequently Asked Questions

Is Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane safe in cosmetics?

No CIR or SCCS review available; no published toxicological data exists; the urethane (carbamoyl) linkage warrants scrutiny; CPSR Safety Assessor will require a full supplier toxicological dossier or read-across justification. The EU classifies Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane as "permitted". Safety rating: POOR.

Is Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane allowed in the EU?

Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane do in cosmetics?

Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane functions as: Skin conditioning, film forming (silicone hybrid). It is classified as a cosmetic ingredient in our database. CAS number: Not applicable (complex silsesquioxane — proprietary; no single CAS).

What is the Margin of Safety for Butyldimethiconyl Propoxyethylcarbamoylpropyl Silsesquioxane?

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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