2′-diaminoethylene glycol diphenyl ether_Kain Industrial Additive

background and overview[1-3] 2,2′-diaminoethylene glycol diphenyl ether is a white crystalline powder with a melting point of 130-132°c. it is mainly used as the diazotization component for the synthesis of high-grade organic pigment yellow c.i.pigment yellow 180. preparation[1-2] report 1, a preparation method of 2,2’-diaminoethylene glycol diphenyl ether, the synthesis route is: add 45g of…