p-Cresyl Isovalerate

INCI: P-CRESYL ISOVALERATE

CAS Number
55066-56-3
Function
Fragrance ingredient
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes FDA โ€” not specifically restricted; general cosmetic use

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Majority of ECHA notifiers report no hazard. Hydrolysis yields p-cresol and isovaleric acid โ€” metabolite levels at fragrance use concentrations are sub-threshold.

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Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive

Frequently Asked Questions

Is p-Cresyl Isovalerate safe in cosmetics?

Majority of ECHA notifiers report no hazard. Hydrolysis yields p-cresol and isovaleric acid โ€” metabolite levels at fragrance use concentrations are sub-threshold. The EU classifies p-Cresyl Isovalerate as "permitted". Safety rating: GOOD.

Is p-Cresyl Isovalerate allowed in the EU?

p-Cresyl Isovalerate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does p-Cresyl Isovalerate do in cosmetics?

p-Cresyl Isovalerate functions as: Fragrance ingredient. It is classified as a cosmetic ingredient in our database. CAS number: 55066-56-3.

What is the Margin of Safety for p-Cresyl Isovalerate?

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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