Rhodinyl Isobutyrate

INCI: RHODINYL ISOBUTYRATE

CAS Number
138-23-8
Function
Fragrance (perfuming) — floral/fruity type
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes GRAS for flavoring (FEMA 2983); permitted in cosmetics

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Dual CAS referencing with citronellyl isobutyrate (97-89-2) — verify correct CAS on supplier documentation; same citronellol allergen release concern as all rhodinyl esters

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Concern Level: Moderate

Regulatory Flags

potential-allergen fragrance-component fda_food_additive jecfa_safe

Frequently Asked Questions

Is Rhodinyl Isobutyrate safe in cosmetics?

Dual CAS referencing with citronellyl isobutyrate (97-89-2) — verify correct CAS on supplier documentation; same citronellol allergen release concern as all rhodinyl esters The EU classifies Rhodinyl Isobutyrate as "permitted". Safety rating: GOOD.

Is Rhodinyl Isobutyrate allowed in the EU?

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

What does Rhodinyl Isobutyrate do in cosmetics?

Rhodinyl Isobutyrate functions as: Fragrance (perfuming) — floral/fruity type. It is classified as a cosmetic ingredient in our database. CAS number: 138-23-8.

What is the Margin of Safety for Rhodinyl Isobutyrate?

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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