Triphenylphosphine oxide
Chemical name:
Triphenylphosphine oxide
CAS:
791-28-6
Molecular formular:
C18H15OP
Molecular weight:
278.29
Character:   It is colorless or white powder crystal,solubing alcohol and benzol,slightly solubing in water.The melting point is 156-157℃,the boil ing point is >360℃,density(d4) is 1.2124,flash point is 180℃,has poison and stimulation.
Standard:
Name
Industry standard
Reagent standard
Appearance
White powder or crystal
Assay
≥98%
≥98.5%
Melting point
≥150℃
≥152-157℃
Solution assay
qualify
Lost weight in dry
1%
0.5%
Usage:   organic synthesization medicine intermediate,medicine intermediate,catalyst,extractant.
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