new from
Diamond TEREPHTHALOYL CHLORIDE FLAKE
ISOPHTHALOYL CHLORIDE FLAKE
in semicommercial quantities. The high reactivity, favorable solubility characteristics and relatively low melting points of these versatile dicarboxylic acid chlorides commend their use in the preparation of aromatic polyamides and polyesters and in other organic syntheses.
TEREPHTHALALDEHYDE in development quantities Of potential interest in organic synthesis and polymer m o d i f i c a t i o n , such as t h e p o l y a c e t a l s and t h e i n solubilization of polyvinyl alcohol. Has been f o u n d useful in the manufacture of pharmaceuticals, dyes, and pigments. For information about these or any Diamond Chemicals, write Diamond Alkali Company, 300 Union Commerce Building, Cleveland 14, Ohio.
Diamond Chemicals
