trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
- CAS No.
- 6360-43-6
- Chemical Name:
- trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
- Synonyms
- C.I.31860;Direct Brown 93;C.I.Direct Brown 93;Corium Chrome Brown MRG;C.I.Direct Brown 93:C.I.31860;trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate;4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid trisodium salt;4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfonaphthalen-2-yl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulfonic acid trisodium salt
- CBNumber:
- CB3923382
- Molecular Formula:
- C34H23N8Na3O11S3
- Molecular Weight:
- 884.75773
- MOL File:
- 6360-43-6.mol
trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate Chemical Properties,Uses,Production
Preparation
2,2′-Disulfo-4,4,diaminobibenzene double nitriding, first with phenol?, and then in three alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, product to diazo, and Benzene-1,3-diamine coupling.
Properties and Applications
red light brown. Soluble in water for brown. The strong sulfuric acid in light color for palm red, red light brown after diluted precipitation. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution is palm red light.
trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate Preparation Products And Raw materials
Raw materials
Preparation Products
6360-43-6(trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate)Related Search:
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trisodium 4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulphonate
4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphtyl]azo]-4'-[(4-hydroxyphenyl)azo]-1,1'-biphenyl-2,2'-disulfonic acid trisodium salt
4-[[7-[(2,4-Diaminophenyl)azo]-1-hydroxy-3-sulfonaphthalen-2-yl]azo]-4'-[(4-hydroxyphenyl)azo][1,1'-biphenyl]-2,2'-disulfonic acid trisodium salt
C.I.31860
C.I.Direct Brown 93
Corium Chrome Brown MRG
Direct Brown 93
C.I.Direct Brown 93:C.I.31860
6360-43-6