Is Isobutyl Propionate safe in cosmetics?
Isobutyl Propionate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Isobutyl Propionate
INCI: ISOBUTYL PROPIONATE
Isobutyl Propionate (CAS 540-42-1 [^1_9][^1_10]) is a cosmetic cosmetic ingredient functioning as Fragrance ingredient with fruity odor. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 540-42-1 [^1_9][^1_10] →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance ingredient with fruity odor
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — not listed in CFR prohibited/restricted lists; FEMA GRAS
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 Propionate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Isobutyl Propionate.
Regulatory Flags
fragrance-component
jecfa_safe
Frequently Asked Questions
Is Isobutyl Propionate allowed in the EU?
Isobutyl Propionate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isobutyl Propionate do in cosmetics?
Isobutyl Propionate functions as: Fragrance ingredient with fruity odor. It is classified as a cosmetic ingredient in our database. CAS number: 540-42-1 [^1_9][^1_10].
Compliance Tools
Check Isobutyl Propionate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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