Acid Orange 33

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
MSDS Information
Acid Orange 33 Usage And Synthesis
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
sodium 7-[(chloroacetyl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate 2-Naphthalenesulfonic acid, 5-[2-(4-chlorophenyl)diazenyl]-6-hydroxy-, sodium salt (1:1) Acid Orange 24 7-Acetylamino-4-hydroxy-3-(2-sulfophenylazo)naphthalene-2-sulfonic acid disodium salt sodium 5-[[3-(anilinosulphonyl)-4-methylphenyl]azo]naphthalene-2-sulphonate disodium 8-[[4-(acetylcyclohexylamino)phenyl]azo]-7-hydroxynaphthalene-1,3-disulphonate Benzenesulfonic acid, 2-[(1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt Acid Orange 3 sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate ACID YELLOW 7 ORANGE G

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