Moleceular formula: C18H15P
Moleceular weight: 262.30
appearance: white cristal flake;
triphenyl phosphine : min. 99.5%
triphenyl oxygen phosphine : max 1.0%
sulfur(S): max 10 ppm
chlorine ion : max 25 ppm
sodium ion: max 5 ppm
ash : max 0.03%
weight lost at 105 C : max 0.5 %
melting point : 79-81 C