Surfactants
REACH
Dicetyl phosphate
CAS Number
2197-63-9
EC Number
218-594-7
What is Dicetyl phosphate?
Dicetyl phosphate (CAS 2197-63-9), also known as dipalmityl phosphate, is an anionic phosphate ester derived from cetyl alcohol; an emulsifier and surface-active agent.
Where is Dicetyl phosphate used?
- Cosmetic and topical pharmaceutical formulations: anionic emulsifier in creams and lotions
- Liposomal and vesicular drug delivery: negative surface charge controls membrane stability and improves encapsulation efficiency
- Personal care such as sunscreens and moisturizers: modifies interfacial tension for uniform pigment or active dispersion
- Plastics and polymer processing: surface modifier and processing aid for controlled substrate wetting
- It stabilizes emulsions, modifies surface charge and controls rheological behaviour.
Commercial specifications
- Packaging from kilogram-scale bags to bulk quantities
Other Names (Synonyms)
Phosphoric acid dihexadecyl ester|dipalmityl phosphate|dipalmityl hydrogen phosphate|Dihexadecyl phosphate|Dicetylphosphoric acid|Di-n-hexadecyl phosphate|Bis(hexadecyl) phosphate|1-Hexadecanol hydrogen phosphate
What are the physical properties of Dicetyl phosphate?
Melting Point 77 °C
Boiling Point 600.4±38.0 °C(Predicted)
Density 0.925±0.06 g/cm3(Predicted)
Color White
Odor Bland
Form Solid
Log P 14.679 (est)
How is Dicetyl phosphate classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant
Hazard Statements
H315 Causes skin irritation
H318 Causes serious eye damage
Precautionary Statements
P264 Wash … thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P317 Get emergency medical help.
P321 Specific treatment (see … on this label).
Which trade and regulatory codes apply to Dicetyl phosphate?
WGK (Germany) 3