Minimum assay (G.C.).................................................................... 99,0 %

Identity..............................................................................................IR p/t.

Melting range................................................................................ 95-97°C

MAX. IMPURITIES

Insoluble matter in CH3OH............................................................. 0,01 %

Residue on ignition (as SO4)........................................................... 0,01 %

Acidity................................................................................................... p/t.

Naphthalene (G.C.)........................................................................... 0,2 %

2-Naphthol (G.C.)............................................................................. 0,2 %

Water (H2O)....................................................................................... 0,2 %

Chloride (Cl).................................................................................. 0,005 %

Cd............................................................................................... 0,0005 %

Co............................................................................................... 0,0005 %

Cr................................................................................................ 0,0005 %

Cu............................................................................................... 0,0005 %

Fe................................................................................................ 0,0005 %

Ni................................................................................................ 0,0005 %

Pb............................................................................................... 0,0005 %

Zn............................................................................................... 0,0005 %