Allantoin Acetyl Methionine
✓ EU AllowedIdentification
CAS Number 4207-40-3
EINECS / EC 224-126-2
CosIng Ref 74183
Chemical Name 2-acetamido-4-methylsulfanylbutanoic acid;(2,5-dioxoimidazolidin-4-yl)urea
IUPAC Name —
Formula C11H19N5O6S
Mol. Weight 349.37 g/mol
SMILES CC(=O)NC(CCSC)C(=O)O.C1(C(=O)NC(=O)N1)NC(=O)N
InChIKey LWNZJCOLRQMXHS-UHFFFAOYSA-N
Function & Classification
Primary Function Skin Conditioning
Secondary Functions Antistatic, Hair Conditioning
Origin Synthetic
Category Skin Actives
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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