Site hosted by Angelfire.com: Build your free website today!

Dicyanine, 3067


dicianina

1-Ethyl-2-[3-(1-ethyl-2-methyl-4-(1H)-quinolinylidene)-1-propenyl]-4-methylquinolinium iodide;
1-ethyl-2-[3-(1-ethyl-4(1H)-quinaldylidene)prpenil]lepidinium iodide;
1-ethyl-2-[3-(1-ethyl-2-methyl-4-(1H)-quinolylidene)propenyl]-4-methylquinolinium iodide;
2',4-dimethyl-1,1'-diethyl-2,4'-carbocyanine iodide, C27H29IN2;

mol wt 508.44 C:63,78%, H:5.75%, I:24.96%, N:5.51% Prepn by J. A. Aeschlimann as reported by

Mills, Odams, J. Chem. Soc. 125, 1920 (1924). See also Beilstein, 2nd suppl, Vol 33, p 284

Olive-green crystals with metallic sheen from methanol. Crystals are usually solvated.
Drying at 110o expels methanol of crystn.
Decomp 244-252o. Absortion max (methanol): 603.5, 655.5nm (A1cm 63, 218). Soly in methanol: about 2%. Methanol solns appear deep blue when viewed under incident daylight. Soly in water about 0.2%. Aqsolns are dichroic and may appear brownish green.

Also sol in abs ethanol (0.5%), in ethylene glycol (1.5%), and in Cellosolve (2.0%). Practically insol in benzene, xylene.

USE: In Color photography (sensitizer for extreme reds). In optical filters for visualizing infrared radiations and magnetic fieads. Has photoconductive properties that increase sharply with a rise in temp and is classed as an O2-photoconductor: Meier, z. phys. Chem. (Leipzig) 208, 325 (1958). Gives a color reaction with magnesium ions: Babenko, Zhur. Anal. Khim. 13, 496 (1958).

Diagnostic stain for cytodiagnosis of ruptured fetal membranes.

THE MERCK INDEX * NINTH EDITION - page 408


Procuro informações sobre a dicianina. Onde adquirir, preço, etc. Agradeço qualquer informação.
Busco la información sobre la dicianina. Donde adquirir, coste, etc. Agradezco cualquier información.
Cerco le informazioni sul prodotto del dicianina. Dove acquistare, costo, ecc. Ringrazio tutte le informazioni
I search information on the dicyanine. Where to acquire, cost, etc. I thank any information.



Nome:
e-mail:
Mensagem:
En caso de que usted haya encontrado errores de la escritura (ortografía, etc), informa por favor a mí.
Nel caso quello voi ha trovato la scrittura degli errori, informa per favore a me.
In case that you has found writing errors (ortography, etc), please informs to me.