4,5-Diamino-1-Methylpyrazole HCL
✓ EU AllowedIdentification
CAS Number 20055-01-0
CosIng Ref 41699
Chemical Name 1-methylpyrazole-4,5-diamine;sulfuric acid
IUPAC Name —
Formula C4H10N4O4S
Mol. Weight 210.21 g/mol
InChIKey CIMLJTZGZLWBJY-UHFFFAOYSA-N
Function & Classification
Primary Function Hair Dyeing
Origin Synthetic
EU Regulatory Status
Safety Profile
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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