What is P-Phenylenediamine? Para-phenylenediamine, also known as Ursi D, is one of the simplest aromatic diamines. The pure product is white to lavender red crystals. It turns Chemicalbook purple red or dark brown when exposed to the air. . It can be used to prepare azo dyes and high molecular polymers, and can also be used to produce fur dyes, rubber antioxidants and photo bleaching agents. Specification ITEM STANDARD Melting Point 139 – 147 °C Boiling Point 267 °C Flash Point 165 °C (closed cup) Auto-ignition Temperature > 480 °C Application 1.It is an important dye intermediate, mainly used to manufacture azo dyes and sulfur dyes, and can also be used to produce fur black D and rubber antioxidant DNP, etc. 2.Used as a fluorescent indicator, analytical reagent and fur dye, and also used in the synthesis of dyes 3.It is mainly used in the manufacture of azo dyes and sulfur dyes, and is also used in the production of Fur Black D, Fur Blue Black DB, Fur Brown NZ, and rubber antioxidants DNP, 288, DOP, and DBP. Paraphenylenediamine is also used as raw material for cosmetic hair dye Ursi D, gasoline polymerization inhibitor and developer. 4.Mainly used for fur dyeing, it can also be dyed together with other dyes, and is often used as a mordant. Package 25kg/drum 500kg/bag Related Keywords JAROCOL PPD; fur black 41866; C.I. 76060; BENZENE-1,4-DIAMINE; 1,4-PHENYLENEDIAMINE; 1,4-DIAMINOBENZENE; 1,4-BENZENEDIAMINE; 4-AMINOANILINE
