Butyl Undecenoate

INCI: BUTYL UNDECENOATE

CAS Number
10287-53-3
Function
Skin conditioning agent; emollient (ester of undecylenic acid with mild antifungal properties of parent acid)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No published NOAEL specific to this ester โ€” supplier data needed for formal MoS

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

If the product makes antifungal claims, it may be reclassified as a drug or biocidal product; ensure cosmetic-only claims. Limited published data โ€” supplier toxicology package required for CPSR.

โš ๏ธ
Concern Level: Moderate

Frequently Asked Questions

Is Butyl Undecenoate safe in cosmetics?

If the product makes antifungal claims, it may be reclassified as a drug or biocidal product; ensure cosmetic-only claims. Limited published data โ€” supplier toxicology package required for CPSR. The EU classifies Butyl Undecenoate as "permitted". Safety rating: GOOD.

Is Butyl Undecenoate allowed in the EU?

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

What does Butyl Undecenoate do in cosmetics?

Butyl Undecenoate functions as: Skin conditioning agent; emollient (ester of undecylenic acid with mild antifungal properties of parent acid). It is classified as a cosmetic ingredient in our database. CAS number: 10287-53-3.

What is the Margin of Safety for Butyl Undecenoate?

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.

๐Ÿ“ฑ

Is Butyl Undecenoate in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Butyl Undecenoate in your formulation.