Pentamethyl Piperidinyl Sesquisebacate

INCI: PENTAMETHYL PIPERIDINYL SESQUISEBACATE

CAS Number
Not confirmed (HALS-class compound; related to bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate, CAS 52829-07-9)
Function
Light stabilizer (HALS — Hindered Amine Light Stabilizer), protects formulation/packaging from UV degradation
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted. Commonly used in polymer/packaging applications; cosmetic use is niche

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

HALS compounds are primarily industrial polymer stabilizers. Secondary amine to nitroxyl radical mechanism means potential for free radical generation. Ensure the ingredient is specifically graded/intended for cosmetic use. A Safety Assessor will want supplier toxicological data.

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Concern Level: Moderate

Frequently Asked Questions

Is Pentamethyl Piperidinyl Sesquisebacate safe in cosmetics?

HALS compounds are primarily industrial polymer stabilizers. Secondary amine to nitroxyl radical mechanism means potential for free radical generation. Ensure the ingredient is specifically graded/intended for cosmetic use. A Safety Assessor will want supplier toxicological data. The EU classifies Pentamethyl Piperidinyl Sesquisebacate as "permitted". Safety rating: MODERATE.

Is Pentamethyl Piperidinyl Sesquisebacate allowed in the EU?

Pentamethyl Piperidinyl Sesquisebacate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Pentamethyl Piperidinyl Sesquisebacate do in cosmetics?

Pentamethyl Piperidinyl Sesquisebacate functions as: Light stabilizer (HALS — Hindered Amine Light Stabilizer), protects formulation/packaging from UV degradation. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed (HALS-class compound; related to bis(2,2,6,6-tetramethyl-4-piperidinyl) sebacate, CAS 52829-07-9).

What is the Margin of Safety for Pentamethyl Piperidinyl Sesquisebacate?

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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