Properties value CAS number 868077-29-6 Molecular Formula C18H22BrN Molecular weight 309.31 g/mole Appearance White to white powder Density 1.16 g/cm ³ Melting point 120-130 ℃ solubility Dissolve in most organic solvents Physical and chemical properties Use U-CAT 5003 is a quaternary phosphonium bromide catalyst used for curing epoxy resins. It is a fast curing accelerator...