Butyl Isobutyrate

INCI: BUTYL ISOBUTYRATE

CAS Number
97-87-0
Function
Fragrance / Masking agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes RIFM-type quantitative risk assessment (QRA) applicable. Favorable MoS expected at typical fragrance-level concentrations.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

No significant safety concerns. Standard fragrance safety documentation (IFRA compliance) recommended for CPSR.

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Concern Level: Low

Regulatory Flags

fragrance-component ifra_fragrance fda_food_additive jecfa_safe

Frequently Asked Questions

Is Butyl Isobutyrate safe in cosmetics?

No significant safety concerns. Standard fragrance safety documentation (IFRA compliance) recommended for CPSR. The EU classifies Butyl Isobutyrate as "permitted". Safety rating: GOOD.

Is Butyl Isobutyrate allowed in the EU?

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

What does Butyl Isobutyrate do in cosmetics?

Butyl Isobutyrate functions as: Fragrance / Masking agent. It is classified as a cosmetic ingredient in our database. CAS number: 97-87-0.

What is the Margin of Safety for Butyl Isobutyrate?

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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