Is 4,5-Diamino-1-Methylpyrazole HCl safe in cosmetics?
4,5-Diamino-1-Methylpyrazole HCl has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.
Poor
Cosmetic Ingredient
4,5-Diamino-1-Methylpyrazole HCl
INCI: 4,5-DIAMINO-1-METHYLPYRAZOLE HCL
4,5-Diamino-1-Methylpyrazole HCl (CAS 21616-59-1 (HCl salt)) is a cosmetic cosmetic ingredient functioning as Hair dye (oxidative). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 21616-59-1 (HCl salt) →
Auto-generated CPSR Part A draft with source citations
Function
Hair dye (oxidative)
Safety Rating
POOR
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Coal tar hair dye exemption with labeling requirements
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 4,5-Diamino-1-Methylpyrazole HCl.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for 4,5-Diamino-1-Methylpyrazole HCl.
Frequently Asked Questions
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).
Compliance Tools
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MoS Calculator
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Heavy Metal Limits
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