ChemicalBook Product Catalog Dyes and Pigments dye Acid dye Acid Brown 440

Acid Brown 440

Acid Brown 440 Basic information
Product Name:Acid Brown 440
Synonyms:AcidBrownA;C.I.AcidBlack440;Brown PNR;C.I.Acid Brown 440;4-[[2,6-Dihydroxy-3-[(4-nitrophenyl)azo]-5-[[4-(phenylamino)-3-sulfophenyl]azo]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid trisodium sal;Apollo Leather Brown PLA;C.I. 34908;Daedo Acid Brown PNR
CAS:93376-15-9
MF:C34H25N8NaO14S3
MW:888.79
EINECS:
Product Categories:
Mol File:93376-15-9.mol
Acid Brown 440 Structure
Acid Brown 440 Chemical Properties
Safety Information
MSDS Information
Acid Brown 440 Usage And Synthesis
Preparation5-Amino-2-(phenylamino)benzenesulfonic acid, 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 4-Nitrobenzenamine respectively diazotization and Coupled with resorcinol.
Properties and Applicationsbrown. Mainly used for leather color.
Acid Brown 365 Acid Brown 191 C.I.Acid Brown 37 Acid Brown 14 Acid Brown 289 ACID BROWN 422 C.I.Acid Brown 121 C.I. Acid brown 254 Acid Brown 4 Acid Brown 354 Chromate(3-), [3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxy-5-nitrobenzenesulfonato(3-)][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-, sodium Acid Brown 98 C.I.Acid Brown 75 Acid Brown 58 Acid Brown 348 Acid Brown 97 Acid Brown 163 ACID BROWN 189
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