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Acid Orange 33

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Company Name: Winchem Industrial Co. Ltd  
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Acid Orange 33 manufacturers

  • Acid Orange 33
  • Acid Orange 33 pictures
  • 2026-09-11
  • CAS:6507-77-3
  • Min. Order: 25kg
  • Purity: 1
  • Supply Ability: 20MT
  • Tracid Orange GS
  • Tracid Orange GS pictures
  • $3.00
  • 2022-10-28
  • CAS:6507-77-3
  • Min. Order: 25kg
  • Purity: 99%
  • Supply Ability: 20 tons
  • Acid Orange 33
  • Acid Orange 33 pictures
  • $9.80
  • 2020-01-10
  • CAS:6507-77-3
  • Min. Order: 1g
  • Purity: ≥99%
  • Supply Ability: 100kg
Acid Orange 33 Basic information
Product Name:Acid Orange 33
Synonyms:Acid Orange 33;disodium 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-1,3-disulphonate;Tracid Orange GS;CoomassieFastOrangeGC.I.24780;Coomassie Orange g;Telon Fast Oraneg G;Weak acid orange;Weak Acid Orange GS
CAS:6507-77-3
MF:C34H31N4NaO8S2
MW:710.75
EINECS:229-396-5
Product Categories:Organics
Mol File:6507-77-3.mol
Acid Orange 33 Structure
Safety Information
TSCA TSCA listed
MSDS Information
Acid Orange 33 Usage And Synthesis
Chemical PropertiesGolden orange powder. Soluble in water, aqueous solution is golden orange, adding concentrated hydrochloric acid is orange; adding concentrated sodium hydroxide solution is brownish yellow. Still soluble in ethanol, golden orange color. Orange color in concentrated sulfuric acid, still orange after dilution.
UsesC.I. Acid orange 33 is an acidic orange-yellow dye that can be adsorbed and removed by bentone.
Preparation1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling.
Properties and Applicationsred 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.
Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 3-4 3-4 3 3 4
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.
Tag:Acid Orange 33(6507-77-3) Related Product Information
sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate Benzenesulfonic acid, 2-[(1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate sodium 5-[[3-(anilinosulphonyl)-4-methylphenyl]azo]naphthalene-2-sulphonate 7-Acetylamino-4-hydroxy-3-(2-sulfophenylazo)naphthalene-2-sulfonic acid disodium salt Acid Orange 24 2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) sodium 7-[(chloroacetyl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate Acid Orange 3 ORANGE G Acid yellow 7 Acid Violet 48 Acid Orange 156 Acid Red 315 Acid Red 142 Acid Yellow 49 Chromate(2-), [2,4-dihydro-4-[(2-hydroxy-4-nitrophenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)][4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-hydroxy-1-naphthalenesulfonato(3-)]-, disodium Acid Blue 317