Is Isobutyl Methylbutyrate safe in cosmetics?
Isobutyl Methylbutyrate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Isobutyl Methylbutyrate
INCI: ISOBUTYL METHYLBUTYRATE
Isobutyl Methylbutyrate (CAS 2445-67-2 (verify — this is isobutyl 2-methylbutyrate; confirm isomer with supplier)) is a cosmetic cosmetic ingredient functioning as Fragrance. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
2445-67-2 (verify — this is isobutyl 2-methylbutyrate; confirm isomer with supplier)
View industrial chemical safety profile →
Function
Fragrance
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — FEMA GRAS as flavoring substance; not restricted under 21 CFR for cosmetic use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isobutyl Methylbutyrate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Isobutyl Methylbutyrate.
Regulatory Flags
fragrance-component
Frequently Asked Questions
Is Isobutyl Methylbutyrate allowed in the EU?
Isobutyl Methylbutyrate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isobutyl Methylbutyrate do in cosmetics?
Isobutyl Methylbutyrate functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 2445-67-2 (verify — this is isobutyl 2-methylbutyrate; confirm isomer with supplier).
Compliance Tools
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Ingredient Decoder
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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