|
Description Yellow to orange-yellow colour powder Conforms
almost odourless
Solubility Moderately soluble in DMF, Comforms
Practically insoluble in water and
Alcohol 96%
IR-Spectrum Concordant with the reference spectrum Conforms
Identification 1.UV-specter-absorbance Conforms
Maximums at (292m±2 nm),
383±2 nm)
2.Quality reactions Positive
Loss on drying not more than 2.0% 0.3%
Sulfated ash not more than 0.2% 0.23%
Heavy metals(Pb) not more than 10ppm <10ppm
Assay(HPLC) not less than 98.O% 99.92%
| 
