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

Acid Yellow 23 Basic information
Product Name: Acid Yellow 23
Synonyms: CI NO 19140;CI ACID YELLOW 23;CI 19140;E102;LAKE TARTRAZINE;KITON YELLOW T;HYDRAZINE YELLOW;FOOD YELLOW NO 4
CAS: 1934-21-0
MF: C16H9N4Na3O9S2
MW: 534.36
EINECS: 217-699-5
Product Categories: Dyes and Pigments;Organics;Analytical Chemistry;Food Colors by Food Sanitation Law in Japan;Aromatics;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds
Mol File: 1934-21-0.mol