Direct Yellow G,Direct Dyes,Acid Dyes--Taixue Dyestuff Chemical Co., Ltd

Address: Dongdajiao, Dianzhuang, Yanshi, Henan province
Zip code: 471942
Fax: 0379-67436438
Contact: HAN Xuemin 13703886988(Mobile phone)
Website: www.taixuedye.com
E-mail:hxm@taixuedye.com

5. Intermediate

DSD Acid (4,4'-Diaminostilbene-2,2'-disulfonic acid)	Sodium 1-naphthylamine-4-sulfonate