| Title:  o-Nitrophenylpropiolic Acid CAS Registry Number:  530-85-8 CAS Name:  3-(2-Nitrophenyl)-2-propynoic acid Molecular Formula:  C9H5NO4 Molecular Weight:  191.14 Percent Composition:  C 56.55%, H 2.64%, N 7.33%, O 33.48% Properties:  Yellowish to light brown scales or crystals.  mp ~157° with decompn and may explode.  Moderately sol in cold water, more in hot water or alcohol, very slightly in chloroform.  Almost insol in carbon disulfide and petr ether. Melting point:  mp ~157° with decompn Use:  As a reagent for alkaloids and glucose.  |