Is Ethyl Perfluoroisobutyl Ether safe in cosmetics?
Ethyl Perfluoroisobutyl Ether has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Ethyl Perfluoroisobutyl Ether
INCI: ETHYL PERFLUOROISOBUTYL ETHER
Ethyl Perfluoroisobutyl Ether (CAS 163702-06-5 (branched isomer of CAS 163702-05-4)) is a cosmetic cosmetic ingredient functioning as Solvent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 163702-06-5 (branched isomer of CAS 163702-05-4) →
Auto-generated CPSR Part A draft with source citations
CAS Number
163702-06-5 (branched isomer of CAS 163702-05-4)
View industrial chemical safety profile →
Function
Solvent
Safety Rating
MODERATE
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Currently permitted — EPA PFAS scrutiny applies
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ethyl Perfluoroisobutyl Ether.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Ethyl Perfluoroisobutyl Ether.
Frequently Asked Questions
Is Ethyl Perfluoroisobutyl Ether allowed in the EU?
Ethyl Perfluoroisobutyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ethyl Perfluoroisobutyl Ether do in cosmetics?
Ethyl Perfluoroisobutyl Ether functions as: Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 163702-06-5 (branched isomer of CAS 163702-05-4).
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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Ethyl Perfluorobutyl Ether
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Chemical family
Solvent
Methyl Perfluoro Butyl/Isobutyl Ether
Moderate
Chemical family
Solvent, Viscosity Controlling Agent
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Moderate
Chemical family
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