Chlorhexidine
⚠ EU RestrictedIdentification
CAS Number 55-56-1
EINECS / EC 200-238-7
CosIng Ref 32657
Chemical Name (1E)-2-[6-[[amino-[(E)-[amino-(4-chloroanilino)methylidene]amino]methylidene]amino]hexyl]-1-[amino-(4-chloroanilino)methylidene]guanidine
IUPAC Name —
Formula C22H30Cl2N10
Mol. Weight 505.4 g/mol
SMILES C1=CC(=CC=C1NC(=NC(=NCCCCCCN=C(N)N=C(N)NC2=CC=C(C=C2)Cl)N)N)Cl
InChIKey GHXZTYHSJHQHIJ-UHFFFAOYSA-N
Function & Classification
Primary Function Preservative
Secondary Functions ORAL CARE; PRESERVATIVE
Origin Synthetic
Category Preservatives
EU Regulatory Status
Max Leave-on 0.3%
Max Rinse-off 0.3%
Restrictions 0.3% as chlorhexidine
Conditions of Use Max 0.3% (as dihydrochloride). Oral care: max 0.2%. Not in aerosols.
Safety Profile
2 / 10
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
Suppliers & Documents
No verified suppliers listed for this ingredient yet.
Are you a supplier of Chlorhexidine? Register as a supplier to add your listing and upload TDS & SDS documents.
Documents