Benzalkonium Bromide
⚠ EU RestrictedIdentification
CAS Number 91080-29-4
EINECS / EC 293-522-5
CosIng Ref 32127
Chemical Name Quaternaryammoniumcompounds,benzyl-C8-18-alkyldimethyl,bromides,
Formula C21H38BrN
Mol. Weight 384.4 g/mol
Function & Classification
Primary Function Preservative
Secondary Functions ANTISTATIC; DEODORANT; PRESERVATIVE; SURFACTANT - CLEANSING
Origin Synthetic
Category Preservatives
EU Regulatory Status
Max Leave-on 0.1%
Max Rinse-off 0.1%
Restrictions 0.1% as benzalkonium chloride
Conditions of Use Rinse-off: max 0.1%. Leave-on: max 0.05%. 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
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