Superiority:
Our company was built in 2009 with an ISO certificate.In the past 6 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
Our advantage:
1. Higest quality and good package
2.Fast delivery
3.Better payment term
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 Tianfu can help you
Details:
DIRECT YELLOW 50 Basic information
Product Name:DIRECT YELLOW 50Synonyms:1,5-Naphthalenedisulfonicacid,3,3’-[carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bis-,tetrasodiumsalt;abcoldirectyellowrlsw;AmanilSupraYellowLRL;C.I.DirectYellow50(29025);DiazolLightYellowRS;DiphenylYellowRLSW;directyellow50(c.i.29025);DurazolYellowFRRCAS:3214-47-9MF:C35H24N6Na4O13S4MW:956.82EINECS:221-728-7Product Categories:Dyes and Pigments;Organics;D;Stains and Dyes;Stains&Dyes, A toMol File:3214-47-9.mol

DIRECT YELLOW 50 Chemical Properties
Safety Information
WGK Germany 3
DIRECT YELLOW 50 Basic information
Product Name:DIRECT YELLOW 50Synonyms:1,5-Naphthalenedisulfonicacid,3,3’-[carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bis-,tetrasodiumsalt;abcoldirectyellowrlsw;AmanilSupraYellowLRL;C.I.DirectYellow50(29025);DiazolLightYellowRS;DiphenylYellowRLSW;directyellow50(c.i.29025);DurazolYellowFRRCAS:3214-47-9MF:C35H24N6Na4O13S4MW:956.82EINECS:221-728-7Product Categories:Dyes and Pigments;Organics;D;Stains and Dyes;Stains&Dyes, A toMol File:3214-47-9.mol

DIRECT YELLOW 50 Chemical Properties
Safety Information
WGK Germany 3