Is Isononanal safe in cosmetics?
Isononanal has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Moderate
Cosmetic Ingredient
Isononanal
INCI: ISONONANAL
Isononanal (CAS 5435-64-3 (7-methyloctanal, primary commercial isomer) ; also reported as 35127-50-5 (mixed isomers)) is a cosmetic cosmetic ingredient functioning as Fragrance. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
5435-64-3 (7-methyloctanal, primary commercial isomer) ; also reported as 35127-50-5 (mixed isomers)
View industrial chemical safety profile →
Function
Fragrance
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Permitted — no specific CFR restriction
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Isononanal.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Isononanal.
Regulatory Flags
potential-allergen
fragrance-component
Frequently Asked Questions
Is Isononanal allowed in the EU?
Isononanal EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Isononanal do in cosmetics?
Isononanal functions as: Fragrance. It is classified as a cosmetic ingredient in our database. CAS number: 5435-64-3 (7-methyloctanal, primary commercial isomer) ; also reported as 35127-50-5 (mixed isomers).
Compliance Tools
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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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