| Identification | Back Directory | [Name]
disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate | [CAS]
3701-40-4 | [Synonyms]
ACIDRED99
C.I. Acid Red 99
Acid red 99 (C.I. 23285)
C.I.Acid Red 99:C.I.23285
disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[[4'-[(2-hydroxy- 1-naphthalenyl)azo]-2,2'-dimethyl[1,1'-biphenyl ]-4-yl]azo]-, disodium salt
disodium,(3Z)-3-[[3-methyl-4-[2-methyl-4-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate | [EINECS(EC#)]
223-040-2 | [Molecular Formula]
C34H24N4Na2O8S2 | [MOL File]
3701-40-4.mol | [Molecular Weight]
726.686 |
| Hazard Information | Back Directory | [Preparation]
4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and Naphthalen-2-ol coupling. | [Properties and Applications]
red. Soluble in water for red, soluble in ethanol for orange. The strong sulfuric acid for dark purple, pink is diluted. In water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
|
|
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
|
5
|
3-4
|
4-5
|
4-5
|
3-4
|
4-5
|
4-5
|
5
|
|
AATCC
|
4-5
|
4
|
4
|
5
|
3-4
|
3-4
|
5
|
5
|
|
|
|