| Identification | Back Directory | [Name]
disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate | [CAS]
5873-24-5 | [Synonyms]
C.I.28170
Direct Red 90
C.I.Direct Red 90
Eliamina Rubine RL
C.I.Direct Red 90:C.I.28170
Diaphtamine Light Rubine RL
disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
disodium 7-(benzoylamino)-4-hydroxy-3-[[2-methyl-4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
7-Benzoylamino-4-hydroxy-3-[[2-methyl-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt | [EINECS(EC#)]
227-531-2 | [Molecular Formula]
C30H21N5Na2O8S2 | [MOL File]
5873-24-5.mol | [Molecular Weight]
689.626 |
| Hazard Information | Back Directory | [Preparation]
4-Aminobenzenesulfonic acid diazo, and O-Methylaniline coupling, its product to diazo, and?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling. | [Properties and Applications]
blue-ray red. Soluble in water for red light purple. The strong sulfuric acid for blue, red after diluted precipitation. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add sodium hydroxide have red light purple 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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3
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4-5
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4-5
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3
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3
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