ChemicalBook > CAS DataBase List > trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate

Product Name
trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate
CAS No.
6420-22-0
Chemical Name
trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate
Synonyms
C.I.23820;Direct Blue 295;Benzo Navy Blue BM;C.I.Direct Blue 295:C.I.23820;trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate;Trisodium 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl (1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate;5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt;5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt;2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino- 1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl [1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt;trisodium,(3Z)-5-amino-3-[[4-[4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
CBNumber
CB0898166
Molecular Formula
C34H29N6NaO11S3
Formula Weight
816.81
MOL File
6420-22-0.mol
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trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Property

EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt (6420-22-0)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H318Causes serious eye damage

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P310Immediately call a POISON CENTER or doctor/physician.

P330Rinse mouth.

P501Dispose of contents/container to..…

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trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Chemical Properties,Usage,Production

Preparation

3,3′-Dimethylbenzidine double nitriding, in alkaline conditions first and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue. Soluble in water for deep purple, soluble in ethanol. The strong sulfuric acid for blue, for purple diluted. The dye solution to join strong hydrochloric acid for dark purple; Add thick sodium hydroxide solution for dark purple.

trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

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trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate Suppliers

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6420-22-0, trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonateRelated Search:

Direct Blue 29 Direct Blue 297 Direct Blue 291 Direct Blue 293 DIRECTBLUE296 Direct Blue 299 Direct Blue 290 OXAMINE BLUE 4R Direct Blue 294

  • trisodium 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-2,7-disulphonate
  • Trisodium 5-amino-3-((4'-((6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo)-3,3'-dimethyl (1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonate
  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino- 1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl [1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt
  • 5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
  • 5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfonaphthalen-2-yl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid trisodium salt
  • Benzo Navy Blue BM
  • C.I.23820
  • trisodium,(3Z)-5-amino-3-[[4-[4-[(2E)-2-(6-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
  • Direct Blue 295
  • C.I.Direct Blue 295:C.I.23820
  • 6420-22-0
  • Organics