N-HYDROXYSUCCINIMIDE
✓ EU AllowedIdentification
CAS Number 6066-82-6
EINECS / EC 228-001-3
CosIng Ref 57401
Chemical Name 1-hydroxypyrrolidine-2,5-dione
IUPAC Name —
Formula C4H5NO3
Mol. Weight 115.09 g/mol
SMILES C1CC(=O)N(C1=O)O
InChIKey NQTADLQHYWFPDB-UHFFFAOYSA-N
Function & Classification
Primary Function SKIN CONDITIONING
EU Regulatory Status
Safety Profile
Comedogenic Rating: 0/5
Will not clog pores — safe for acne-prone skin
Skin Type Compatibility
Acne-Prone ✓ Safe
Fungal Acne Safe ✓ Safe
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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Documents