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Dyes and Pigments
dye
Direct Dyes
Direct Brown 223
Direct Brown 223
Product Name
Direct Brown 223
CAS
76930-14-8
MF
MW
0
EINECS
MOL File
Mol File
Usage And Synthesis
Preparation
4-Amino-N-(4-aminophenyl)benzamide double nitriding,first coupled with 2-Hydroxybenzoic acid , and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.
Properties and Applications
brown
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
ISO
3
5
4-5
3-4
2
4
3
Preparation Products And Raw materials
Raw materials
Salicylic acid
4,4'-Diaminobenzanilide
6-Amino-4-hydroxy-2-naphthalenesulfonic acid
Direct Brown 223 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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Hefei TNJ Chemical Industry Co.,Ltd.
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+86-0551-65418684 +8618949823763
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Alfa Chemistry
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1-516-6625404
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ORICHEM INTERNATIONAL LTD.
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Related Product Information
Direct Brown 206
CI34035
Direct Brown 227
5-[[4'-[[8-[[2,4-Diamino-5-[(4-sodiosulfophenyl)azo]phenyl]azo]-1-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoic acid sodium salt
Benzoic acid, 5-[[4'-[[2,4-dihydroxy-3-[(4-sulfo-1-naphthalenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt
Direct Brown 221
Direct Brown 20
Direct Brown 222
C.I. Direct Brown 208
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