Introduction

IPPP and CDP are liquid phosphate ester flame retardants with both flame‑retardant and plasticizing properties. They are commonly used in PVC, PU, rubber, and engineering plastic formulations.

ProductAppearancePhosphorus Content (%)Color (APHA)Specific Gravity (20°C)Acid Value (mg KOH/g)Water Content (%)
IPPPColorless or light‑yellow transparent liquid≥ 8.3≤ 501.16–1.18≤ 0.1%≤ 0.1%
CDPColorless or light‑yellow transparent liquid≥ 9.1≤ 501.197–1.215≤ 0.1%≤ 0.1%