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Reactive Flame Retardant DOPO (HCA)


Product name: DOPO (HCA)
Chemical Name: 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide
CAS No.: 35948-25-5
Formula: C12H9O2P
Chemical Structure:


Appearance: White or off white flake 
Melting point: 114-120
Assay (HPLC):  98.5% min 
Phosphine content: 14% min
Chlorine content: 200 ppm max
Fe: 20 ppm max
Zn:  20 ppm max 

Solubility:  Easily soluble in methanol, ethanol, isopropanol, chloroform, DMF, DMSO.   Slightly soluble in benzene, toluene. Barely soluble in water, n-hexane.

Application:  DOPO is generally used as a reactive flame retarder or intermediate of producing other flame retardants. It is environment friendly so that it can substitute those halogenated flame retardants.
Especially it is used as Flame Retardant for epoxy resin in PCB, Polyester Fiber Fabrics, and etc.



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