Assay (acidimetric on dried substances).......99.5% min

Melting point....233-236degC

Formula C6H5NO2

MWT 123.11

CAS 59-67-6

Cl.........................0.02% max

SO4......................0.02% max

H.M (as Pb)........0.002% max

L.O.D (105degC)...0.5% max