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Technical Datasheet | Supplied by GreenChemicals SPA
GC RDP by GreenChemicals is a tetraphenyl resorcinol diphosphate. It acts as a non-halogenated flame retardant and plasticizer. It also acts as an auxiliary agent for processing thin-walled parts, by improving the flow of fused masses. It is an arylphosphate that can be used as a substitute for halogenated flame retardants in casing materials and TPP. It offers lower volatility, higher thermal stability and higher P-content. It is less plasticizing and less volatile. It exhibits excellent hydrolytic and heat resistance capabilities. It shows compatibility with PC, PPO/HIPS, PC/ABS and polyurethane systems. GC RDP is suitable for use in business machines and computers.
Product Type
  • Plasticizers > Phosphates
  • Flame Retardants / Smoke Suppressants
Chemical Composition
Tetraphenyl resorcinol diphosphate
CAS Number
Physical Form
Product Status
Applications/ Recommended for
  • TPE and TPV > TPU (or TPE-U)
  • PC
  • Other Thermoplastic
  • Electronics / Computers
  • Mechanical/ physical performance > Thermal resistance
  • Safety, regulation & environment > Flame retardancy
  • Safety, regulation & environment > Halogen-free

GC RDP Properties


Value & Unit
Test Condition
Test Method
Boiling Point
> 300 °C
Melting Point
-13 °C
500 - 800 mPa-s
(At 25°C)

SpecialChem additionnal informations based on CAS Number : 57583-54-7

Hansen Solubility Parameters

[22.9, 0.1, 5.9]
[δD - Dispersion force interactions, δP - Polar force interactions, δH - Hydrogen bond force interactions]

Please note, these HSP values are estimations. It is based upon the “like seeks like” principle. It splits an ingredients interactions into three parameters; δD (Dispersion force interactions), δP (Polar forces interactions) and δH (Hydrogen bond force interactions). Hansen Solubility Parameters can help you find a wide range of products that are predicted to be compatible with GC RDP. A practical determination of these HSP values would provide higher certainty. Learn More.

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