tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate

CAS No.
6428-19-9
Chemical Name:
tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate
Synonyms
C.I.34260;Direct Green 51;C.I.Direct Green 51;Diazo Fast Green 2GL;Benzamin Fast Green GFL;Diazamine Fast Green GLN;Direct green 51 (C.I. 34260);C.I.Direct Green 51:C.I.34260;6'-[(3-Aminobenzoyl)amino]-2-ethoxy-1'-hydroxy-4-[[7-sodiosulfo-4-[(3-sodiosulfophenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt;tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate
CBNumber:
CB5880607
Molecular Formula:
C45H30N8Na4O15S4
Molecular Weight:
1142.98338
MDL Number:
MOL File:
6428-19-9.mol

tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Properties

tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Chemical Properties,Uses,Production

Preparation

3-Aminobenzenesulfonic acid diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, again diazo, and 7-(3-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid?coupling (with aqueous ammonia in Pyridine medium the last step coupled).

Properties and Applications

dark green. Soluble in water for green light blue, soluble in ethanol. The strong sulfuric acid for blue-ray black, diluted green for blue-ray. The dye solution to join strong hydrochloric acid have blue light green precipitation; Add thick dark sodium hydroxide solution have precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 5 4-5 4-5
AATCC 4-5 3-4

tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Preparation Products And Raw materials

tetrasodium 5-[[6-[(3-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-6-ethoxy-8-[[7-sulphonato-4-[(3-sulphonatophenyl)azo]naphthyl]azo]naphthalene-2-sulphonate Direct green 51 (C.I. 34260) 6'-[(3-Aminobenzoyl)amino]-2-ethoxy-1'-hydroxy-4-[[7-sodiosulfo-4-[(3-sodiosulfophenyl)azo]-1-naphthalenyl]azo][1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt Benzamin Fast Green GFL C.I.34260 C.I.Direct Green 51 Diazamine Fast Green GLN Diazo Fast Green 2GL tetrasodium,(3Z)-7-[(3-aminobenzoyl)amino]-3-[[2-ethoxy-6-sulfonato-4-[[7-sulfonato-4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalen-1-yl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate C.I.Direct Green 51:C.I.34260 Direct Green 51 6428-19-9