好吊视频一区二区三区,人妻无码,日本WINDOWSPHONE,免费全部黄A片免费播放软件,黑人巨大精品欧美黑寡妇AV免费

Product name: 4-Amino diphenylamine
English name: 4-Aminodiphenylamine;N-Phenyl-p-phenylene diamine;Diphenyl black base P;Fast blue RT base
CAS: 101-54-2
Molecular weight: 184.24
Molecular formula: C₁₂H_tN₂
Quality standard:

To use: Dye intermediate. Mainly used in the manufacture of 4010NA, 4020 and 668 and other important antiaging agents; Produce blue salt RT, acid red GR, disperse yellow GFL and so on.
Packaging: 25kg/fiber can