| 词条 | Mordant Brown 33 |
| 释义 |
| Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 462253668 | ImageFile = Mordant Brown 33.png | ImageSize = 200px | ImageName = Wireframe model of a mordant brown 33 tautomer | PIN = | SystematicName = Sodium 2,4-diamino-5-[2-(3-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazin-1-yl]benzene-1-sulfonate | OtherNames = Mordant brown 33 Chrome Brown RH Sodium 2,4-diamino-5-[2-(3-nitro-6-oxocyclohexa-2,4-dien-1-ylidene)hydrazin-1-yl]benzenesulfonate |Section1={{Chembox Identifiers | Abbreviations = MB33 | PubChem = 24186234 | PubChem1 = 9575826 | PubChem1_Comment = (1E) | PubChem2 = 5483143 | PubChem2_Comment = (1Z) | InChIKey1 = CKWUOVPZRGZTSZ-QFHYWFJHSA-M | ChemSpiderID = 7850278 | ChemSpiderID_Comment = (1E) | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID1_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID1 = 4588144 | ChemSpiderID1_Comment = (1Z) | InChI = 1S/C12H11N5O6S.Na/c13-7-4-8(14)12(24(21,22)23)5-9(7)15-16-10-3-6(17(19)20)1-2-11(10)18;/h1-5,15H,13-14H2,(H,21,22,23);/q;+1/p-1/b16-10+; | InChI1 = 1S/C12H11N5O6S.Na/c13-7-4-8(14)12(24(21,22)23)5-9(7)15-16-10-3-6(17(19)20)1-2-11(10)18;/h1-5,15H,13-14H2,(H,21,22,23);/q;+1/p-1/b16-10+; | SMILES = [Na+].O=C2/C=C\\C(=C/C2=N\c1cc(c(N)cc1N)S([O-])(=O)=O)[N+]([O-])=O | StdInChI_Ref = {{stdinchicite|changed|chemspider}} | StdInChI = 1S/C12H11N5O6S.Na/c13-7-4-8(14)12(24(21,22)23)5-9(7)15-16-10-3-6(17(19)20)1-2-11(10)18;/h1-5,15H,13-14H2,(H,21,22,23);/q;+1/p-1 | StdInChIKey_Ref = {{stdinchicite|changed|chemspider}} | StdInChIKey = CKWUOVPZRGZTSZ-UHFFFAOYSA-M}} }} Mordant brown 33 (MB33) is 2,4-diamino-5-(2-hydroxy-5-nitrophenylazo) benzene sulfonic acid sodium salt. The UV-Visible spectra of MB33 in all mixtures investigated display three absorption bands in 50% ethanol within all the pH ranges 1.5-13.3 using Thiel buffer the maximum absorption of these bands is located at 438, 453 and a double head band at 410 and 475 nm . The band at 438 nm corresponds to absorption attributed to the cationic form (LH6) of MB33 (whereas L indicates to the parent structure of ligand without hydrogen protons) and disappears at pH > 3.0. The band at 453 nm corresponds to the absorption of the neutral form of the reagent (LH5-). The double head bands at 410 and 475 nm correspond to the di-anionic (LH42−) of MB33.[1] References{{Refimprove|date=September 2015}}1. ^M. M. Seleim, M. S. Abu-Bakr, E.Y. Hashem and A. M. El-Zohry; [https://www.researchgate.net/profile/Ahmed_El-Zohry/publication/235941214_Spectrophotometric_determination_of_manganese_%28II%29_with_Mordant_Brown_33_in_the_presence_of_Tween_20_in_some_foods/links/09e4151489b757a033000000.pdf Spectrophotometric determination of manganese (II) with Mordant Brown 33 in the presence of Tween 20 in some foods]; Canadian Journal of Analytical Sciences and Spectroscopy, Volume 54, No. 2, 2009. - www.researchgate.net {{Organic-compound-stub}} 5 : Azo dyes|Nitrobenzenes|Phenols|Benzenesulfonates|Organic sodium salts |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。