Regulatory Status
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Safety Data
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Expert Verdict
Flammable gas with potential 1,3-butadiene impurity (classified carcinogen); restricted under EU Annex III with concentration limits; approved as aerosol propellant in US; not suitable for non-aerosol applications.
Frequently Asked Questions
Is Butylene safe in cosmetics?
Flammable gas with potential 1,3-butadiene impurity (classified carcinogen); restricted under EU Annex III with concentration limits; approved as aerosol propellant in US; not suitable for non-aerosol applications. The EU classifies Butylene as "restricted". Safety rating: GOOD.
Is Butylene allowed in the EU?
Butylene EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Butylene do in cosmetics?
Butylene functions as: Propellant for aerosol formulations. It is classified as a cosmetic ingredient in our database. CAS number: 106-98-9 (1-Butene).
What is the Margin of Safety for Butylene?
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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