STUDY ON AXIAL COORDINATION REACTION FOR COBALT TETRASULFONATE PHTHALOCYANINE

doi:10.7517/j.issn.1674-0475.1996.04.341

Imaging Science and Photochemistry ›› 1996, Vol. 14 ›› Issue (4): 341-346.DOI: 10.7517/j.issn.1674-0475.1996.04.341

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STUDY ON AXIAL COORDINATION REACTION FOR COBALT TETRASULFONATE PHTHALOCYANINE

YUAN Shihai, WU Xing, YAO Rong, Zheng Gang

Yangzhou University Teacher’s College, Department of Chemistry and Chemical Engineering, Yangzhou 225002, P. R. China

Received:1996-03-21 Revised:1996-07-04 Online:1996-11-20 Published:1996-11-20

Abstract

Abstract: The coordination reaction for formation of a complex CoTSPc(L)₂ which was formed by cobalt tetrasulfonate phthalocyanine(CoTSPc) plus ligand L(L=NH₃、CN^-、en) was studied by spectrophotometric method. The reaction kinetics of CoTSPc(L)₂ formation has been discussed and the stability constant K of CoTSPc(L)₂ was also calculated from absorbance measurement. The results show that the kinetic equations of CoTSPc(L)₂ formed by COTSPc and L are as follows: -dC_M/dt=kC_MC_Lⁿ where n=1 for en and n=2 for NH₃ or CN,CM and C_L are concentration of CoTSPc and ligand respectively. The stability constant of CoTSPc(L)₂ is lgK=4. 630 for L=en, lgK=5. 328 for L=NH₃, and lgK=9. 116for L=CN^-, respectively.

Key words: phthalocyanine, cobalt, coordination reaction, stability constant

YUAN Shihai, WU Xing, YAO Rong, Zheng Gang. STUDY ON AXIAL COORDINATION REACTION FOR COBALT TETRASULFONATE PHTHALOCYANINE[J]. Imaging Science and Photochemistry, 1996, 14(4): 341-346.

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STUDY ON AXIAL COORDINATION REACTION FOR COBALT TETRASULFONATE PHTHALOCYANINE

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