| Identification | Back Directory | [Name]
Acid Orange 33 | [CAS]
6507-77-3 | [Synonyms]
Orange 33
C.I.24780
Orange GS
CIACIDORANGE33
orange acid 33
Acid Orange 33
Tracid Orange GS
Weak acid orange
Einecs 229-396-5
Coomassie Orange g
Telon Fast Oraneg G
Weak Acid Orange GS
C.I. Acid yellow 33
Weak Acid Orange 2R
Triacid Fast Orange GS
Vondamol Fast Orange GS
Acid Brilliant Orange GS
Dycosweak Acid Orange 2R
C.1.Acid Orange 33(24780)
QEALIJPPGPRFIR-NCQXEAFNSA-N
Acid orange 33 (C.I. 24780)
Youhaotracid Fast Orange GS.
C.I.Acid Orange 33:C.I.24780
CoomassieFastOrangeGC.I.24780
1,3-naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phe
disodium 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-1,3-disulphonate
Disodium 7-hydroxy-8-((4-(1-(4-((4-hydroxyphenyl)azo)phenyl)cyclohexyl)phenyl)azo)naphthalene-1,3-disulphonate
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-4-1-4-(4-hydroxyphenyl)azophenylcyclohexylphenylazo-, disodium salt
7-Hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-1,3-naphthalenedisulfonic acid disodium salt
7-Hydroxy-8-[2-[4-[1-[4-[2-(4-hydroxyphenyl)diazenyl]phenyl]cyclohexyl]phenyl]diazenyl]-1,3-naphthalenedisulfonic acid sodium salt
1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-(2-(4-(1-(4-(2-(4-hydroxyphenyl)diazenyl)phenyl)cyclohexyl)phenyl)diazenyl)-, sodium salt (1:2)
isodium,(8Z)-7-oxo-8-[[4-[1-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl]cyclohexyl]phenyl]hydrazinylidene]naphthalene-1,3-disulfonate
disodium,(8Z)-7-oxo-8-[[4-[1-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl]cyclohexyl]phenyl]hydrazinylidene]naphthalene-1,3-disulfonate | [EINECS(EC#)]
229-396-5 | [Molecular Formula]
C34H28N4Na2O8S2 | [MOL File]
6507-77-3.mol | [Molecular Weight]
730.718 |
| Hazard Information | Back Directory | [Chemical Properties]
Golden orange powder. Soluble in water, the aqueous solution is golden orange. Adding concentrated hydrochloric acid turns orange; adding concentrated sodium hydroxide solution turns brownish yellow. It is fairly soluble in ethanol, turning golden orange. It turns orange in concentrated sulfuric acid and remains orange after dilution. | [Uses]
C.I. Acid orange 33 is an acidic orange-yellow dye that can be adsorbed and removed by bentone. | [Preparation]
1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling. | [Properties and Applications]
red light orange. Soluble in water for gold orange, in ethanol has a solubility, orange for gold. The strong sulfuric acid in orange, diluted the same color. Its water solution with hydrochloric acid into orange; Add thick sodium hydroxide solution for yellow brown. Mainly used for wool, silk and polyamide fiber dyeing and printing, also can be used for paper, hemp, sisal, leather and straw dyeing.
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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
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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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4-5
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3-4
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3-4
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3
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3
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4
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| [References]
[1] Baskaralingam P, Pulikesi M, Elango D, et al. Adsorption of acid dye onto organobentonite[J]. Journal of hazardous materials, 2006, 128(2-3): 138-144. |
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