Superiority:
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
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:
Product Name: Neutral Brown Rl
Synonyms: Acid Brown 28;Neutral Brown Rl;NEUTER BROWN RL;C.I. Acid brown 28;Brown RL;Lanyl Brown R
CAS: 12238-94-7
MF: C15H14O5
MW: 0
Chemical properties: black brown powder. It is a dark brown solution in water with a solubility of 3-4g / L.
Application: neutral Brown RL is mainly used for dyeing and printing of wool, silk, nylon, vinylon and their blends.
Application: for dyeing and printing of wool, polyester and their blended chemical Book fabrics
Production method: 2-amino-4-nitrophenol and 2-acetylamino-4-methylphenol were used as raw materials. First, the former was diazotized, then coupled with the latter, and the product was complexed with chromium salicylate. Filter and dry the product.
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