2-Hydroxyethyl Picramic Acid
✓ EU AllowedIdentification
CAS Number 99610-72-7
EINECS / EC 412-520-9
CosIng Ref 87634
Chemical Name 2-(2-hydroxyethylamino)-4,6-dinitrophenol
IUPAC Name —
Formula C8H9N3O6
Mol. Weight 243.17 g/mol
SMILES C1=C(C=C(C(=C1NCCO)O)[N+](=O)[O-])[N+](=O)[O-]
InChIKey OABRBVCUJIJMOB-UHFFFAOYSA-N
Function & Classification
Primary Function Hair Dyeing
Origin Synthetic
Category Colorants & Pigments
EU Regulatory Status
Max Leave-on 2%
Conditions of Use (a) To be printed on the label: The mixing ratio. “ Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in
SCCS Opinion View SCCS opinion →
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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