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Phosphorous-based Monomers

Based on 59 products - Last update on the Jun 26, 2025

Phosphorous-based monomers typically appear as clear liquids or solids, depending on their chemical structure. Functionally, they provide excellent thermal stability and resistance to combustion by forming a protective char layer when exposed to high heat. They are used in construction, automotive, and industrial coatings, where fire safety is a key concern. 

These monomers are available in various forms, including ester-based and amide-based variants. Trends are shifting toward phosphorous-based solutions that meet both regulatory requirements and sustainability goals.

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AT- B551

by Keeneyes Industrial

Mixture of 4, 4’-thiobis-(6-tert-butyl-3-methylphenol) and calcium bis (0-ethyl-3, 5-di-t-butyl-4-hydroxyphosphonate). AT- B551 by Keeneyes Industrial is derived from phenol (carbolic acid) and phosphonic acids (organophosphorus compounds). AT- B551 by Keeneyes Industrial is used as a raw material for synthetic resins.

ILCO PHOS 203

by ILCO Chemikalien

ILCO PHOS 203 by ILCO Chemikalien is a combination of phosphoric acid and 2-ethylhexyl ester. Exhibits high alkali stability, hard water stability, low foam production and strong emulsifying properties in water. Used as a wetting agent with defoaming ability, dispersing agent, corrosion inhibitor and extraction & flotation agent. It is soluble in organic solvents. ILCO PHOS 203 is recommended for use in the surface treatment for the printing and coating industry and metal pigment pastes.
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Phosphorous-based Monomers