Structural formula Business number 01HG Molecular formula C18H16N2 Molecular weight 260.33 label Anti-aging agent PPD, diphenyltetraphenyldiamine, 1,4-Diphenylaminobenzene, Antioxidant PPD, 2-phenyl-4-phenyl-diamine, 1,4 – diphenyl benzene, Universal antioxidant Numbering system Physical property data Toxicological data Ecological data Molecular structure data Computing chemical data More Properties and Stability Storage method Synthesis method Purpose Numbering system CAS number:74-31-7 MDL...