Regulatory Status
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Safety Data
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Expert Verdict
Secondary amine with nitrosamine formation risk; must not be used with nitrosating agents; limited public safety dossier
Frequently Asked Questions
Is HC Violet No. 4 safe in cosmetics?
Secondary amine with nitrosamine formation risk; must not be used with nitrosating agents; limited public safety dossier The EU classifies HC Violet No. 4 as "prohibited". Safety rating: MODERATE.
Is HC Violet No. 4 allowed in the EU?
HC Violet No. 4 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does HC Violet No. 4 do in cosmetics?
HC Violet No. 4 functions as: Hair dyeing — semi-permanent (direct) nitro dye. It is classified as a cosmetic ingredient in our database. CAS number: 56330-88-2 *(verify against CosIng — not confirmed in retrieved sources)*.
What is the Margin of Safety for HC Violet No. 4?
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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