Hydroxyundecanoic Acid

INCI: HYDROXYUNDECANOIC ACID

CAS Number
3669-80-5 [^1_12]
Function
Skin conditioning
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not restricted under 21 CFR; no CIR monograph

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

GHS classification: H315 (skin irritation), H319 (eye irritation), H335 (respiratory irritation) for neat material. No carcinogenic, mutagenic, or reproductive effects reported. Supplier toxicology data needed for CPSR margin of safety calculation.

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Concern Level: Moderate

Frequently Asked Questions

Is Hydroxyundecanoic Acid safe in cosmetics?

GHS classification: H315 (skin irritation), H319 (eye irritation), H335 (respiratory irritation) for neat material. No carcinogenic, mutagenic, or reproductive effects reported. Supplier toxicology data needed for CPSR margin of safety calculation. The EU classifies Hydroxyundecanoic Acid as "permitted". Safety rating: MODERATE.

Is Hydroxyundecanoic Acid allowed in the EU?

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

What does Hydroxyundecanoic Acid do in cosmetics?

Hydroxyundecanoic Acid functions as: Skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 3669-80-5 [^1_12].

What is the Margin of Safety for Hydroxyundecanoic Acid?

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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