Title: sym-Diphenylpyrophosphorodiamidic Acid
CAS Registry Number: 541-04-8
CAS Name: N,N¢-Diphenyl-P,P¢-diamidodiphosphoric acid
Molecular Formula: C12H14N2O5P2
Molecular Weight: 328.20
Percent Composition: C 43.91%, H 4.30%, N 8.54%, O 24.37%, P 18.87%
Literature References: Prepd from O-benzylphenylphosphoroamidic acid: Boger, Friedman, J. Am. Chem. Soc. 80, 2583 (1958).
Derivative Type: Dicyclohexylammonium salt
Molecular Formula: C24H40N4O5P2
Molecular Weight: 526.55
Percent Composition: C 54.74%, H 7.66%, N 10.64%, O 15.19%, P 11.76%
Properties: mp 223-224°. Sol in water. No spontaneous hydrolysis at pH 4.0 to pH 11.5 after two hours at 37°.
Melting point: mp 223-224°
Derivative Type: Dipotassium salt
Molecular Formula: C12H12K2N2O5P2
Molecular Weight: 404.38
Percent Composition: C 35.64%, H 2.99%, K 19.34%, N 6.93%, O 19.78%, P 15.32%
Properties: Crystals.
Use: Colorimetric estimation of enzymes.
Status: This monograph has been retired and is no longer subject to revision or update. |