Our advantage:Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below:
1.Noble Metal Catalysts (Pt.Pd...)
2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...)
3.OLED intermediates (Fluorene,Carbazole,Boric acid...)
4.Customs Synthesis
1. Higest quality and good package
2.Better payment term
3.Fast delivery
4.Fast response to customer within 6 hours
5.Good business credit in Europe ,US ,Japan ,Korea
Anyway ,if you need any chemicals from China ,Henan Newblue can help you

Vat Brown 3 Basic information
Product Name: Vat Brown 3
Synonyms: C.I. VAT BROWN 3;Vatbrown;Benzamide, N,N-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho2,3-a:2,3-icarbazole-4,9-diyl)bis-;Calcoloid Brown R.;Vat brown 3 (C.I. 69015);C.I. 69015;C.I. Pigment Brown 28;N,N'-(10,15,16,17-Tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)bis(benzamide)
CAS: 131-92-0
MF: C42H23N3O6
MW: 665.659
EINECS: 205-044-6
Product Categories: Dyes and Pigments;Organics
Mol File: 131-92-0.mol