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Phosphine Oxides

Cyagard RF-1241

Chemical composition:Isobutylbis(hydroxymethyl) phosphine oxide
Physical form:Solid
CAS Number:142747-77-1


Product description
Isobutylbis(hydroxymethyl) phosphine oxide.

 Best suitable Polymer
• Thermosets, other >> UF, Urea Formaldehyde Resin
• EP, Epoxy, Epoxide

Typical propertiesValueUnit
Molecular Weight166 
Melting Point50 - 55°C
Decomposition temperature295°C
Flash Point> 93°C


Cyagard RF-1243

Chemical composition:Isobutylbis (hydroxypropyl) phosphine oxide
Physical form:Liquid
CAS Number:147768-36-6



Product description
Isobutylbis (hydroxypropyl) phosphine oxide.


Typical propertiesValueUnit
Molecular Weight222 
Boiling Point @ 760 mmHg> 250°C
Flash Point> 101°C
Autoignition temperature346°C