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Direct Green 21:1
Product Name
Direct Green 21:1
CAS
MF
MW
0
EINECS
MOL File
Mol File
Usage And Synthesis
Preparation
4-(4-Aminophenyl)benzenamine?double nitriding, First coupled with 2-Hydroxybenzoic acid?, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid coupling.
Properties and Applications
dark green.
Preparation Products And Raw materials
Raw materials
Salicylic acid
Benzidine
4-amino-5-hydroxynaphthalene-1,3-disulphonic acid
Related Product Information
2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-ethoxy-6-sulfo-4-[(3-sulfo[1,1'-biphenyl]-4-yl)azo]-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt
4,5-Dihydroxy-3-[[2-ethoxy-4-[(8-sodiosulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]naphthalene-1-sulfonic acid sodium salt
DIRECT GREEN 12
Direct Green 105
4-Amino-5-hydroxy-3-[[4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-6-(1-naphtylazo)-2,7-naphthalenedisulfonic acid disodium salt
Direct Green 104
Benzoic acid, 5-[[4'-[[8-amino-7-[(2,5-disulfophenyl)azo]-1-hydroxy-5-sulfo-2-naphthalenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-, tetrasodium salt
C.I. Direct green 21
Direct Green 103
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