Regulatory Status
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Safety Data
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Expert Verdict
EU Annex II ban; genotoxicity data; restricted even under US CIR to very low concentrations
Frequently Asked Questions
Is 2,4-Diaminophenol HCl safe in cosmetics?
EU Annex II ban; genotoxicity data; restricted even under US CIR to very low concentrations The EU classifies 2,4-Diaminophenol HCl as "prohibited". Safety rating: POOR.
Is 2,4-Diaminophenol HCl allowed in the EU?
2,4-Diaminophenol HCl EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does 2,4-Diaminophenol HCl do in cosmetics?
2,4-Diaminophenol HCl functions as: Oxidative hair dye coupler. It is classified as a cosmetic ingredient in our database. CAS number: 137-09-7 (formerly listed as dihydrochloride; CIR updated nomenclature to HCl).
What is the Margin of Safety for 2,4-Diaminophenol HCl?
adequate 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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