Flame Retardants
REACH
Resorcinol bis(diphenyl phosphate)
CAS Number
57583-54-7
EC Number
260-830-6
What is Resorcinol bis(diphenyl phosphate)?
Resorcinol bis(diphenyl phosphate) (CAS 57583-54-7) is a halogen-free organophosphate flame retardant for engineering plastics and polymer blends.
Where is Resorcinol bis(diphenyl phosphate) used?
- PC/ABS blends: UL 94 V-0 ratings at low loading levels
- Consumer electronics, IT equipment and office device housings
- Automotive interiors: low volatility and thermal stability for vehicle flammability requirements
- Aerospace and defense: structural polymer composites requiring halogen-free certification
- Flexible polyurethane and epoxy systems: reactive plasticizer improving flow and fire performance
- It combines flame suppression with plasticizing action.
Commercial specifications
- Purity typically 97% or higher
- Bulk liquid supply in drums and IBC containers
Other Names (Synonyms)
Fyrolflex RDP|Phosphoric acid, 1,3-phenylene tetraphenyl ester|Mark PFK|1,3-Phenylene tetraphenyl phosphate|Tetraphenylresorcinol diphosphate|Tetraphenyl m-phenylene bis(phosphate)|CRR-733S|m-Phenylenebis(diphenyl phosphate)
What are the physical properties of Resorcinol bis(diphenyl phosphate)?
Boiling Point 587.1±33.0 °C(Predicted)
Density 1.347
Appearance Colorless to light yellowish clear liquid
Color Colourless to Pale Yellow
Form Oil
How is Resorcinol bis(diphenyl phosphate) classified and handled safely? Learn More
GHS09· Environmental Hazard
Hazard Statements
H411 Toxic to aquatic life with long lasting effects
Precautionary Statements
P273 Avoid release to the environment.
P391 Collect spillage.
P501 Dispose of contents/container in accordance with local regulations.