has role reagent dye allergen phenylenediamine 1,4-phenylenediamine 0 PMID:19958436 p-Phenylenediamine paraphenylene-diamine PPD PMID:23510340 1,4-Benzenediamine PMID:10771133 PMID:18844695 PMID:23257336 PMID:17827020 PMID:21616561 Nc1ccc(N)cc1 PMID:20565505 1,4-diaminobenzene PMID:11495521 A phenylenediamine in which the amino functions are at positions 1 and 4 of the benzene nucleus. PMID:19099270 benzene-1,4-diamine pPDA CBCKQZAAMUWICA-UHFFFAOYSA-N PMID:1395635 p-Diaminobenzene Reaxys:749029 Chemspider:13835179 PMID:19469519 C6H8N2 CAS:106-50-3 108.14120 PMID:10694312 KEGG:C19499 Wikipedia:P-Phenylenediamine paraphenylenediamine PMID:8735869 4-phenylenediamine 4-Aminoaniline InChI=1S/C6H8N2/c7-5-1-2-6(8)4-3-5/h1-4H,7-8H2 HMDB:HMDB0256055 DrugBank:DB14141 PMID:15462465 108.06875 CHEBI:521550 PPDA PMID:9540973 PMID:17256041 PMID:8254706 PMID:24385090 CHEBI:51403 para-phenylenediamine PMID:18837732 p-phenylenediamine base Beilstein:749029 chebi_ontology hapten