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| disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Basic information |
Product Name: | disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate | Synonyms: | disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate;C.I. Acid Red 99;ACIDRED99;Acid red 99 (C.I. 23285);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;C.I.Acid Red 99:C.I.23285 | CAS: | 3701-40-4 | MF: | C34H24N4Na2O8S2 | MW: | 726.6859 | EINECS: | 223-040-2 | Product Categories: | Organics | Mol File: | 3701-40-4.mol | |
| disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Chemical Properties |
| disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Usage And Synthesis |
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.
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
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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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5
|
3-4
|
4-5
|
4-5
|
3-4
|
4-5
|
4-5
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5
|
AATCC
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4-5
|
4
|
4
|
5
|
3-4
|
3-4
|
5
|
5
|
|
| disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Preparation Products And Raw materials |
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