Isostearyl Isononanoate

INCI: ISOSTEARYL ISONONANOATE

CAS Number
90967-66-1
Function
Skin conditioning — emollient
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — not restricted under 21 CFR §700

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Well-characterized isostearyl ester with CIR safe-as-used conclusion; concentration limits ≤25% rinse-off, ≤53% leave-on.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Isostearyl Isononanoate safe in cosmetics?

Well-characterized isostearyl ester with CIR safe-as-used conclusion; concentration limits ≤25% rinse-off, ≤53% leave-on. The EU classifies Isostearyl Isononanoate as "permitted". Safety rating: EXCELLENT.

Is Isostearyl Isononanoate allowed in the EU?

Isostearyl Isononanoate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isostearyl Isononanoate do in cosmetics?

Isostearyl Isononanoate functions as: Skin conditioning — emollient. It is classified as a cosmetic ingredient in our database. CAS number: 90967-66-1.

What is the Margin of Safety for Isostearyl Isononanoate?

adequate 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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