Detail of "19901-06-5"

CAS Number:
19901-06-5
Name:
Hydrazinecarbothioamide,2,2'-(1,2-cyclohexanediylidene)bis- (9CI)
Molecular Structure:
Formula:
C8H14 N6 S2
Synonyms:
1,2-Cyclohexanedione,bis(thiosemicarbazone) (7CI,8CI); 1,2-Cyclohexanedione dithiosemicarbazone; NSC103746

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Use of 1,2-cyclohexanedione dithiosemicarbazone as a spectrophotometric reactant for the selective determination of copper in solution: Use of 1,2-cyclohexanedione dithiosemicarbazone as a spectrophotometric reactant for the selective determination of copper in solution. Munoz Leyva, J. A.; Cano Pavon, J. M.; Pino, F. (Fac. Cienc., Univ. Sevilla, Seville, Spain). An. Quim., 72(4), 392-5 (Spanish) 1976. CODEN: ANQUBU. DOCUMENT TYPE: Journal CA Section: 79 (Inorganic Analytical Chemistry) 1,2-Cyclohexanedione dithiosemicarbazone forms a very stable orange complex with Cu(I), at pH 3.8-10, which can be used for the spectrophotometric detn. of Cu in acetic acid-acetate medium. The absorbance of the complex was measured at 467 nm (molar absorptivity 5.7 .times. 103). Beer's law was obeyed for 2-8 ppm Cu. Interferences of diverse metal ions can be eliminated with EDTA as masking agent. The procedure was used to det. Cu in EDTA and alk. tartrate solns. and satd. brine. 7440-50-8 and 19901-06-5 are just another two chemicals used in this study. Satisfactory results were obtained. .