Sell p-Phenylenediamine

Description

Content âï¿&frac*2;Â¥ *9.5 (%) Product Grade Qualified CAS*******3 Chinese name: p-phenylenediamine; 1, 4 - diaminobenzene; on diaminobenzene; 1, 4 - phenylenediamine English name of the p-Phenylenediamine Chinese alias 1, 4 - diaminobenzene; on diaminobenzene; Urs D; PDA CAS: *******3 EINECS No. ********7 Molecular formula C6H8N2 Molecular weight **8.*4 Molecular Formula: C6H8N2 Structure: C6H4 (NH2) 2 molecular weight or atomic weight: **8.*4 Density: 1.**5 (*0 âï¿&frac*2;ï¿&frac*2;) Melting point (âï¿&frac*2;ï¿&frac*2;): **0 Boiling Point (âï¿&frac*2;ï¿&frac*2;): **7 Vapor Pressure (Pa): **0 (**0 âï¿&frac*2;ï¿&frac*2;) toxicity: LD*0 ( mg / kg): rat oral **0. Properties: white to pale purple red crystal, exposed to air become purple or dark brown. Solubility: slightly soluble in cold water, soluble in alcohol, ether, chloroform and benzene. Use For the manufacture of azo dyes and sulfur dyes, etc., and as a fur dyes (fur black D, D, or fur that Wuer Si Yuan D, Ursol D or Fur Black D), and contrast, etc.