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Dyes and Pigments
dye
Acid dye
Acid Brown 440
Acid Brown 440
Product Name
Acid Brown 440
CAS
93376-15-9
MF
C34H25N8NaO14S3
MW
888.79
EINECS
MOL File
93376-15-9.mol
Usage And Synthesis
Preparation
5-Amino-2-(phenylamino)benzenesulfonic acid, 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, 4-Nitrobenzenamine respectively diazotization and Coupled with resorcinol.
Properties and Applications
brown. Mainly used for leather color.
Preparation Products And Raw materials
Raw materials
4-Aminodiphenyamine-2-sulfonic acid
Resorcinol
8-Amino-1-naphthol-3,6-disulfonic acid monosodium salt monohydrate
4-Nitroaniline
Acid Brown 440 Supplier
Hubei xin bonus chemical co. LTD
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86-13657291602
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linda@hubeijusheng.com
Dideu Industries Group Limited
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+86-29-89586680 +86-15129568250
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1026@dideu.com
Alfa Chemistry
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+1-5166625404
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Hefei TNJ Chemical Industry Co.,Ltd.
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0551-65418684 +8618949823763
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sales@tnjchem.com
Alfa Chemistry
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1-516-6625404
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support@alfa-chemistry.com
Related Product Information
Acid Brown 58
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
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