Potassium Cetyl Phosphate
✓ EU AllowedIdentification
CAS Number 19035-79-1
EINECS / EC 284-374-2; 242-768-1
CosIng Ref 79512
Formula C16H34KO4P
Mol. Weight 360.51 g/mol
Function & Classification
Primary Function Emulsifying
Secondary Functions Surfactant, Thickener
Category Emulsifiers
Manufacturer AAK (AAKO B.V.)
EU Regulatory Status
Safety Profile
Skin Type Compatibility
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
pH Stability 6.5 – 8.5
Solubility 160 mg/l (20 °C )
Benefits Water soluble long chain organic phosphate ester; Highly effective oil-in-water anionic emulsifier without EO; Skin compatible; Suitable for stable water-resistant sun care formulations; Easy to dissolve during emulsion process; Enhances stability of emulsions; Helps to thicken creams and lotions; Supports small droplet sizes; Good spreadability on skin; Pleasant skin feeling; Good stability with broad variety of oil blends
Suppliers & Documents
AAK (AAKO B.V.) 🇳🇱 Netherlands
Documents