Regulatory Status
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Safety Data
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Expert Verdict
Coumarin-benzimidazolium hybrid structure; verify fluorescence behavior does not interfere with product claims; respect concentration limits
Frequently Asked Questions
Is Basic Yellow 40 safe in cosmetics?
Coumarin-benzimidazolium hybrid structure; verify fluorescence behavior does not interfere with product claims; respect concentration limits The EU classifies Basic Yellow 40 as "prohibited". Safety rating: MODERATE.
Is Basic Yellow 40 allowed in the EU?
Basic Yellow 40 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Basic Yellow 40 do in cosmetics?
Basic Yellow 40 functions as: Hair dyeing (semi-permanent cationic dye). It is classified as a cosmetic ingredient in our database. CAS number: 29556-33-0.
What is the Margin of Safety for Basic Yellow 40?
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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