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
SMILES CN1C(=C(C=N1)N)N.OS(=O)(=O)O
InChIKey CIMLJTZGZLWBJY-UHFFFAOYSA-N
Function & Classification
Primary Function Hair Dyeing
Origin Synthetic
Category Colorants & Pigments
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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