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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
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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

ACID YELLOW 25 (C.I. 18835) Basic information
Product Name: ACID YELLOW 25 (C.I. 18835)
Synonyms: 1H-Pyrazole,5-oxo-4,5-dihydro-3-methyl-4-[[3-[(phenylamino)sulfonyl]-4-methylphenyl]azo]-1-(4-sulfophenyl)-,sodiumsalt;AcidolYellowGE;AcidYellowRN;AminylYellowE-RL;Benzenesulfonicacid,4-[4,5-dihydro-3-methyl-4-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]-,monosodiumsalt;C.1.AcidYellow25(18835);DiacidFastYellowR;ACID YELLOW 25 (C.I. 18835)
CAS: 6359-85-9
MF: C23H20N5NaO6S2
MW: 549.55457
EINECS: 228-810-1
Product Categories: Organics;A;Stains and Dyes;Stains&Dyes, A to
Mol File: 6359-85-9.mol