high grade piperazine derivatives:
N,N'-bis(2-hydroxyethyl) piperzaine (CAS No.122-96-3)of 99%(w/w) min. and hydroxyethyl piperazine (liquid form) pale yellow crystalline powder which could be used as acid gas absorbent for industral use.
piperazine anhydrous (CAS No.110-85-0) of 99.5% min.
white flake used for phosphate-piperazine fluphenazine and Rifamycine equality etc.