Acid orange 24 - CAS 1320-07-6
Catalog number: 1320-07-6
Category: Intermediates
Molecular Formula:
C20H17N4NaO5S
Molecular Weight:
448.43
COA:
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Purity:
98%
Synonyms:
RESORCIN BROWN; RESORCIN BROWN R; sodium 4-[[3-[(2,4-dimethylphenyl)azo]-2,6-dihydroxyphenyl]azo]benzenesulphonate; 4-[[3-[(dimethylphenyl)azo]-2,4-dihydroxyphenyl]azo]-benzenesulfonicacimo; c.i.acidorange24; nosodiumsalt
MSDS:
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Quantity:
Data not available, please inquire.
Density:
g/cm3
InChIKey:
VRDAELYOGRCZQD-UDISZFTJSA-M
InChI:
InChI=1S/C20H18N4O5S.Na/c1-12-3-8-16(13(2)11-12)22-24-19-18(25)10-9-17(20(19)26)23-21-14-4-6-15(7-5-14)30(27,28)29;/h3-11,21-22H,1-2H3,(H,27,28,29);/q;+1/p-1/b23-17+,24-19-;
Canonical SMILES:
CC1=CC(=C(C=C1)NN=C2C(=O)C=CC(=NNC3=CC=C(C=C3)S(=O)(=O)[O-])C2=O)C.[Na+]
1.Sonochemical degradation of martius yellow dye in aqueous solution.
Singla R1, Grieser F, Ashokkumar M. Ultrason Sonochem. 2009 Jan;16(1):28-34. doi: 10.1016/j.ultsonch.2008.05.012. Epub 2008 Jul 7.
The sonolytic degradation of the textile dye martius yellow, also known as either naphthol yellow or acid orange 24, was studied at various initial concentrations in water. The degradation of the dye followed first-order kinetics under the conditions examined. Based on gas chromatographic results and sonoluminescence measurements of sonicated aqueous solutions of the dye, it is concluded that pyrolysis does not play a significant role in its degradation. The chromatographic identification of hydroxy added species indicates that an OH radical induced reaction is the main degradation pathway of the dye. Considering the non-volatility and surface activity of the dye, the degradation of the dye most probably takes place at the bubble/solution interface. The quantitative and qualitative formation of the degradation intermediates and final products were monitored using HPLC and ESMS. The analytical results suggest that the sonolytic degradation of the dye proceeds via hydroxylation of the aryl ring and also by C-N bond cleavage of the chromophoric ring, either through OH radical attack or through another unidentified process.
2.Decolorization of the AO24 azo dye and reduction of toxicity and genotoxicity in trickling biofilters.
Garzóón-Zúñga MA1, Sandoval-Villasana AM, Moeller-Chávez GE. Water Environ Res. 2011 Feb;83(2):107-15.
Acid Orange 24 (AO24) dye was degraded in a trickling biofilter packed with peat and wood chips and inoculated with biomass from a petrochemical industry wastewater system. Different operating strategies were tested; in the first stage, two biofilters were operated independently--one non-aerated biofilter (passive) and the other with aeration-subsequently, the systems were operated serially, and effluent from the non-aerated biofilter was fed to the biofilter with aeration. This treatment train was used to test three different filtration velocities--0.141, 0.282, and 0.423 m/d. The results show that, when operating the systems with a dye charge of 0.035 kg AO24 m2/d and treating the effluent in a single step, good removal efficiencies of AO24 (95 and 89%), COD (63 and 53%), and acute toxicity (63 and 78%) were obtained in both biofilters (with and without air), although mutagenic and potentially carcinogenic intermediary compounds were not removed, because genotoxicity exhibits values higher than 2.
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CAS 1320-07-6 Acid orange 24

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