Question

What are the main components of OP-40 Octylphenol Polyoxyethylene Ether?

Answer
2026-05-27 官方文档 OP-40辛基酚聚氧乙烯醚

The main component of OP-40 is Octylphenol Polyoxyethylene Ether (Polyoxyethylene(40) Octylphenyl Ether), CAS number 9036-19-5.

Component Analysis

The chemical nature of OP-40 is a condensation polymer of octylphenol and ethylene oxide. The molecular structure has a lipophilic end of octylphenyl group (C₈H₁₇-C₆H₄-O-) and a hydrophilic end of a polyoxyethylene chain with an average polymerization degree of 40 (-(CH₂CH₂O)₄₀-H), belonging to nonionic surfactants.

Chemical Identification

ItemContent
Chemical NamePolyoxyethylene(40) Octylphenyl Ether / Octylphenol Polyoxyethylene(40) Ether
CAS Number9036-19-5
General Molecular FormulaC₈H₁₇-C₆H₄-O-(CH₂CH₂O)₄₀-H
TypeNonionic Surfactant
Active Content≥99% (Guoli Chemical Product Standard)

The above data are sourced from the Guoli Chemical product database and CAS registration information.