TEST

SPECIFICATION

 APPEARANCE

WHITE TO OFF-WHITE POWDER

 SOLUBILITY

CLEAR TO SLIGHTLY HAZY, COLORLESS TO FAINT YELLOW SOLUTION IN 1 M NAOH AT 250 MG PLUS 5.0 ML

 UV-VIS   SPECTRUM

EMM = 8.70 TO 9.40 AT LAMBDA MAX 277 TO 278 NM IN 0.1 M CARBONATE BUFFER PH 10.0

PURITY BY HPLC

MINIMUM 99%