Product Name: Direct Black 19

Synonym: disodium salt of 4-amino-3,6-bis [[4 - [(2,4-diaminophenyl) azo] phenyl] azo] – 5-hydroxynaphthalene-2,7-disulfonic acid; Direct fast black G;

Direct black G; Direct black 19

CAS No.: 6428-31-5

Molecular formula: C34H27N13Na2O7S2

Molecular weight: 839.77062

EINECS No.: 229-208-1

Chemical properties: black powder. The water solubility is very good, and its aqueous solution is green and black

Port: Shanghai or Tianjin Port

Storage: 2 ~ 8 ℃

Manufacturer: Cangzhou Xincheng Weiye Chemical Co., Ltd

Packing: 25kg per drum or carton, specific request depend on your need
Usage: Direct black 19 is used for dyeing and direct printing of cotton and viscose fibers, interwoven cotton and viscose fibers with silk and wool, and blended fabrics

Except direct black 19, our other direct black dyes include direct black 38 and direct black 22. Welcome your inquiry.

Contact person: Miss Jessie Geng

Email:jessie@xcwychem.com

Mobilephone/Whatsapp: +86-13503270825