| Identification | Back Directory | [Name]
disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate | [CAS]
5979-32-8 | [Synonyms]
C.I.28250
Direct Red 121
C.I.Direct Red 121
Benzamin Bordeaux FB
Phenazo Fast Bordeaux FBL
Fenamin Diazo Bordeaux FBL
Direct red 121 (C.I. 28250)
C.I.Direct Red 121:C.I.28250
disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
7-[(4-Aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt | [EINECS(EC#)]
227-785-4 | [Molecular Formula]
C30H22N6Na2O8S2 | [MOL File]
5979-32-8.mol | [Molecular Weight]
704.641 |
| Hazard Information | Back Directory | [Preparation]
3-Aminobenzenesulfonic acid diazo, and a coupling m-Toluidine
, its product to diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
red to blue light Claret. For bright red is soluble in water, soluble in ethanol for product red. The strong sulfuric acid in blue, diluted red for brown. The dye solution to join strong hydrochloric acid for red light brown; Add thick sodium hydroxide solution for purplish red color, 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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3
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4
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4
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|
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AATCC
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5
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5
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3
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2-3
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3
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