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CAS: 57583-54-7
Molecular Formula: C30H24O8P2
Molecular Weight: 574.45
EINECS: 260-830-6
HS Code: /
Synonyms: RDP; Resorcinol bis(diphenyl phosphate); 1,3-Phenylene bis(diphenyl phosphate); Tetraphenyl m-phenylene diphosphate; Reofos RDP; Fyrolflex RDP
Tetraphenyl resorcinol bis(diphenyl phosphate) (RDP) CAS 57583-54-7 is a halogen‑free oligomeric aromatic phosphate ester, widely used as a high‑efficiency flame retardant and plasticizer for engineering plastics and high‑performance polymers. It offers excellent thermal stability, low volatility, and good compatibility.
| Item | Value |
| Appearance | Colourless to pale yellow clear oil |
| Density (25°C) | 1.347 g/cm³ |
| Boiling Point | 587.1±33.0 °C (Predicted) |
| Phosphorus Content | ~10.8 wt% |
| Viscosity (25°C) | 500–800 mPa·s |
| Storage Condition | Refrigerated, inert atmosphere |
Mikem offers flexible packaging options, including 25 kg fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.
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Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
Founded in 2020, Mikem Chemical Group Co., Ltd. is a trusted global partner in the chemical supply chain, offering a wide range of inorganic and organic compounds, cleaning agents, pigments, additives, and APIs. With over 300 employees and a 20,000 m² facility integrating production, R&D, testing, and storage, Mikem delivers reliable products and tailored solutions that create lasting value for customers worldwide.
At Mikem Chemical Group, our commitment lies in providing dependable goods and customized approaches, fostering enduring benefits for clients across the globe.
At Mikem, our advanced factory and laboratory form the foundation of our chemical production excellence. Equipped with modern manufacturing lines and precision testing instruments, we ensure every product meets strict international standards for quality, safety, and performance.
Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
