| Identification | Back Directory | [Name]
trisodium 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulphonato-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate | [CAS]
6420-44-6 | [Synonyms]
C.I.29185
C.I.Direct Red 24
Benzo Scarlet 4BAS
abcol fast scarlet 4 ba
Direct Fast Scarlet 4BA
Direct red 24 (C.I. 29185)
C.I.Direct Red 24:C.I.29185
Mitsui Direct Fast Scarlet 4BSL
4-Hydroxy-7-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonic acid trisodium salt
trisodium 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulphonato-2-naphthyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulphonatophenyl)azo]naphthalene-2-sulphonate
2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-, trisodium salt
2-Naphthalenesulfonicacid,4-hydroxy-7-[[[[5-hydroxy-6-[2-(2-methoxyphenyl)diazenyl]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-[2-(2-methyl-4-sulfophenyl)diazenyl]-,sodium salt (1:3) | [EINECS(EC#)]
229-164-3 | [Molecular Formula]
C35H25N6Na3O13S3 | [MOL File]
6420-44-6.mol | [Molecular Weight]
902.77 |
| Hazard Information | Back Directory | [Preparation]
4-Amino-3-methylbenzenesulfonic acid diazo, in acid conditions and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Anisidine diazo, in alkaline conditions and coupled product matches. | [Properties and Applications]
red. Soluble in water for colourful red, soluble in ethanol Reddish orange, insoluble in other organic solvents. The strong sulfuric acid to red light purple, diluted red orange to orange for brown, precipitation. The dye solution to join strong hydrochloric acid for orange to red orange brown, have precipitation; Add thick sodium hydroxide solution have orange brown 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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4-5
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4-5
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2-3
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2
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1-2
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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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4
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|
2
|
|
|
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| Company Name: |
Merck KGaA
|
| Tel: |
21-20338288 |
| Website: |
www.sigmaaldrich.cn |
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