Diphenylamine (Reag. USP, Ph. Eur.) for analysis, ACS
Content: 100 GRM
Physical Description:
solid
White crystals , darkens on exposure to light
Quality Name: for analysis, ACS
Specification: Minimum assay (G.C.): 99.0%
Identity: IR passes test
Melting range: 52.5-54.0°C

?maximum limit of impurities:
Residue on ignition (as SO4): 0.03 %
Solubility in C2H5OH: passes test
Sensitivity to NO3: passes test
Aniline (G.C.): 0.1%
Nitrate (NO3): passes test
Cu: 0.001 %
Fe: 0.001 %
Ni: 0.001 %
Pb: 0.001 %