introduction:
      product introduction:
   formula:c22h27no4
   molecular weight:369.19
  cas no.:54574-82-2
                                           
specification:
   appearence:light yellow or light pink powder
    purity(%):99.0
    melting piont(℃):190~193
    loss on drying(%):≤0.2
                                           package:
packing according to customers requirement.
                                           
application:
the intermediate of fluorane - type thermostatic dye.