FE() COMPOUNDS AND PROCESS FOR PREPARING THE SAME

The invention relates to coordination compounds of Fe(III) and to a process for preparing the same. According to the invention, the compounds are violet-coloured solid substances soluble in water at the temperature of 20°C and exhibit a decomposing temperature of 190...200°C. The claimed process con...

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Bibliographische Detailangaben
Hauptverfasser: SIBIESCU DOINA, ROMEN BUTNARU, CRE ESCU IGOR, CHIRIL LAURA, RO CA IOAN, VIZITIU MIHAELA AURELIA, STAN CORNELIU SERGIU
Format: Patent
Sprache:eng ; rum
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Zusammenfassung:The invention relates to coordination compounds of Fe(III) and to a process for preparing the same. According to the invention, the compounds are violet-coloured solid substances soluble in water at the temperature of 20°C and exhibit a decomposing temperature of 190...200°C. The claimed process consists in putting into contact FeClwith a dyestuff 2-amino-6-methoxybenzothiazole sodium sulphonate-1-naphtol-4-sodium sulphonate in 1:1, 1:2, 1:3 molar ratio, while stirring for 90 min in water at the ambient temperature, the product being separated by centrifuging at 4000...5000 rpm, then washed 5 times with mixture of water :ethyl alcohol in a ratio of 1:1 and dried at 105°C. Invenţia se referă la compuşi de coordinaţie ai Fe(III) şi la un procedeu de obţinere a acestora. Compuşii, conform invenţiei sunt sub formă de substanţe solide de culoare violet, solubile în apă la 20°C şi prezintă o temperatură de descompunere de 190...200°C. Procedeul conform invenţiei constă din punerea în contact a FeClcu un colorant 2-amino-6-metoxibenzotiazol sulfonat de sodiu-1-naftol-4-sulfonat de sodiu, într-un raport molar de 1:1, 1:2, 1:3, cu agitare timp de 90 min la temperatura camerei, în apă, produsul fiind separat prin centrifugare la 4000...5000 rpm, după care se spală de 5 ori cu un amestec apă:alcool etilic 1:1 şi se usucă la 105°C.