Hengrun share the key information about Tris(2-chloroisopropyl) Phosphate (TCPP) in a Q&A style.
Hello! We are Hengguang Sodium-Magnesium Co., we share the key information about Tris(2-chloroisopropyl) Phosphate (TCPP) in a Q&A style.
Q1: What is the CAS number of TCPP?
A: Its commonly used CAS registry number is 13674-84-5. It is typically a mixture of positional isomers, which is the common commercial form.
Q2: When was TCPP developed or commercialized?
A: TCPP was commercialized as an efficient flame retardant in the 1960s–1970s, alongside the rapid development of the polyurethane industry (especially rigid foam). It has since become a milestone flame retardant solution in this field.
Q3: What are the core chemical structural features of TCPP?
A: Its core structure consists of a phosphate ester center linked to three 2‑chloro‑1‑methylethyl (i.e., chloroisopropyl) groups. This structure contains both phosphorus (promoting char formation) and chlorine (gas-phase free radical capture), which are key to its flame‑retardant effectiveness.
Q4: What are the main advantages of TCPP in polyurethane formulations?
A: Key advantages include excellent flame retardant efficiency, good compatibility with polyurethane raw materials (especially polyether polyols), low viscosity for easy processing, good adaptability to foam‑making processes, and high cost‑effectiveness.
Q5: What issues should be considered when using TCPP?
A: Considerations include: potential slight impacts on long‑term dimensional stability and physical strength of foam; attention to its hydrolysis stability, avoiding long‑term storage under humid conditions; and ensuring compliance with increasingly stringent environmental and health regulations (e.g., EU REACH, RoHS) in target markets.
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