Assay (C6H8O2) calc. a.d.s......................................................99,0-101,0%
Identity according to Pharmacopoeias................................................ p/t.
Melting range............................................................................ 132-135°C
MAX. IMPURITIES
Appearance of solution........................................................................ p/t.
Insoluble matter in CH3CH2OH............................................................. p/t.
Residue on ignition (as SO4)............................................................. 0,2 %
Aldehydes (as C2H4O)..................................................................... 0,15 %
Residual solvents (Ph.Eur./USP)........................................................... p/t.
Sulphate (SO4).............................................................................. 0,005 %
Water (H2O)....................................................................................... 0,5 %
Heavy metals (as Pb).................................................................... 0,001 %
As............................................................................................... 0,0003 %
