Regulatory Status
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Safety Data
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Expert Verdict
Aromatic amine banned in EU; the 1-methyl derivative was prohibited while the 1-hydroxyethyl derivative was permitted under Annex III restrictions, indicating the methyl substitution pattern was deemed more hazardous or insufficiently supported.
Frequently Asked Questions
Is 4,5-Diamino-1-Methylpyrazole HCl safe in cosmetics?
Aromatic amine banned in EU; the 1-methyl derivative was prohibited while the 1-hydroxyethyl derivative was permitted under Annex III restrictions, indicating the methyl substitution pattern was deemed more hazardous or insufficiently supported. The EU classifies 4,5-Diamino-1-Methylpyrazole HCl as "prohibited". Safety rating: POOR.
Is 4,5-Diamino-1-Methylpyrazole HCl allowed in the EU?
4,5-Diamino-1-Methylpyrazole HCl EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does 4,5-Diamino-1-Methylpyrazole HCl do in cosmetics?
4,5-Diamino-1-Methylpyrazole HCl functions as: Hair dye (oxidative). It is classified as a cosmetic ingredient in our database. CAS number: 21616-59-1 (HCl salt).
What is the Margin of Safety for 4,5-Diamino-1-Methylpyrazole HCl?
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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