EC21 Product Catalogs - p-aminoacetanilide http://www.ec21.com/ec-market/p-aminoacetanilide.html 4-aminoacetanilide（PAAA) Dyes' Intermediatehttp://donghongli.en.ec21.com/4_aminoacetanilide_65288_PAAA_Dyes--2807089_2807090.html 4-aminoacetanilide PAAA Full name: P-aminoacetanilide;4-aminoacetanilide;N-acetyl-p-phenylenediamine; N-(4-aminoohe20090105