| Identification | Back Directory | [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 | [CAS]
6428-19-9 | [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
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 | [EINECS(EC#)]
229-205-5 | [Molecular Formula]
C45H30N8Na4O15S4 | [MOL File]
6428-19-9.mol | [Molecular Weight]
1142.98 |
| Hazard Information | Back Directory | [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.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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4
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4
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5
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4-5
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4-5
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AATCC
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4-5
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3-4
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