Regulatory Status
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Safety Data
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Expert Verdict
Same PFAS persistence and environmental concerns as the n-butyl isomer. Both isomers are typically present together in commercial products.. Branched-chain (isobutyl) isomer of the fluorinated ether; co-occurs commercially with the n-butyl isomer; provides identical functional characteristics
Frequently Asked Questions
Is Methyl Perfluoroisobutyl Ether safe in cosmetics?
Same PFAS persistence and environmental concerns as the n-butyl isomer. Both isomers are typically present together in commercial products.. Branched-chain (isobutyl) isomer of the fluorinated ether; co-occurs commercially with the n-butyl isomer; provides identical functional characteristics The EU classifies Methyl Perfluoroisobutyl Ether as "permitted". Safety rating: MODERATE.
Is Methyl Perfluoroisobutyl Ether allowed in the EU?
Methyl Perfluoroisobutyl Ether EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methyl Perfluoroisobutyl Ether do in cosmetics?
Methyl Perfluoroisobutyl Ether functions as: Solvent, Viscosity Controlling Agent (same functional class as the n-butyl isomer). It is classified as a cosmetic ingredient in our database. CAS number: 163702-07-6 (commonly reported under the same CAS as the mixture; the individual isobutyl isomer may be referenced separately in some databases).
What is the Margin of Safety for Methyl Perfluoroisobutyl Ether?
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.
Compliance Tools
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Related Ingredients
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