Description:
This product is golden yellow powder with the melting point 172～173℃.It is easily decomposed by hot acid and alkali with ammonia and michaelis ketone releasing.It is soluble in alcohol and presenting yellow ,lightly soluble in cold water but insoluble in ether.It is used in acid fastness bacteria fluorescent dyeing,newt in vivo dyeing ,plant tissue dyeing ,fibre ,paper, leather,fat and rayon  etc  printing.This product should be sealed in a  dry place from light.