| Identification | Back Directory | [Name]
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate | [CAS]
93951-21-4 | [Synonyms]
C.I.Reactive Blue 250
4-Amino-5-hydroxy-6-[5-[2-(sulfooxy)ethylsulfonyl]-2-methoxyphenylazo]-3-[p-[2-(sulfooxy)ethylsulfonyl]phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt
4-Amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt
tetrasodium 4-amino-5-hydroxy-6-[[2-methoxy-5-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
tetrasodium,(3Z)-5-amino-3-[[2-methoxy-5-(2-sulfonatooxyethylsulfonyl)phenyl]hydrazinylidene]-4-oxo-6-[[4-(2-sulfonatooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonate
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[2-[2-methoxy-5-[[2- (sulfooxy)ethyl]sulfonyl]phenyl]diazenyl ]-3-[2-[4-[[2-( sulfooxy)ethyl]sulfonyl]phenyl]diazenyl] -, sodium salt (1:4) | [EINECS(EC#)]
300-644-5 | [Molecular Formula]
C27H28N5NaO20S6 | [MOL File]
93951-21-4.mol | [Molecular Weight]
957.89 |
| Hazard Information | Back Directory | [Preparation]
2-(3-Amino-4-methoxyphenylsulfonyl)ethyl hydrogen sulfate and 2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate diazo, respectively in alkaline and acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling. | [Flammability and Explosibility]
Nonflammable | [Properties and Applications]
navy blue.
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Standard
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Light Fastness
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Oxygen bleaching
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Persperation Fastness
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Soaping
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Fading
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Stain
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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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3-4
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4-5(Acid)5
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4-5(Alkali)5
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