Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate

INCI: BIS-(TETRAMETHYL HYDROXYPIPERIDINYL) SEBACATE

CAS Number
30538-92-2 (also listed as 2516-92-9 for the oxyl form)
Function
Antioxidant / UV Stabilizer (HALS — Hindered Amine Light Stabilizer)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Listed in FDA GSRS (UNII: 19R5N3WR4N); general cosmetic ingredient

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

HALS compounds are primarily industrial UV stabilizers for plastics with sparse cosmetic use data. Molecular weight borderline (512.7 Da). Nitroxide radical moiety requires clarification on oxidative stability in formulation. Strongly recommend requesting full toxicology package from supplier and confirming purity ≥98%.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate safe in cosmetics?

HALS compounds are primarily industrial UV stabilizers for plastics with sparse cosmetic use data. Molecular weight borderline (512.7 Da). Nitroxide radical moiety requires clarification on oxidative stability in formulation. Strongly recommend requesting full toxicology package from supplier and confirming purity ≥98%. The EU classifies Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate as "prohibited". Safety rating: MODERATE.

Is Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate allowed in the EU?

Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate do in cosmetics?

Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate functions as: Antioxidant / UV Stabilizer (HALS — Hindered Amine Light Stabilizer). It is classified as a cosmetic ingredient in our database. CAS number: 30538-92-2 (also listed as 2516-92-9 for the oxyl form).

What is the Margin of Safety for Bis-(Tetramethyl Hydroxypiperidinyl) Sebacate?

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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