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Tetraphenylphosphonium triiodide (TPPTI) is a chemical compound with the formula (C6H5)4P+I3-. It is a salt derived from tetraphenylphosphonium (TPP) and triiodide (I3-) ions. TPPTI is a yellow crystalline solid that is soluble in organic solvents. It is widely used in various applications, including as a phase-transfer catalyst, a redox reagent, and a precursor for the synthesis of other phosphorus-containing compounds. TPPTI is also known for its potential use in the development of new materials and technologies, such as in the field of organic electronics and as a component in certain types of batteries. Its unique properties, such as its ability to facilitate charge transfer and its stability in various environments, make it a valuable compound in the realm of chemical research and industrial applications.

3138-55-4

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3138-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3138-55-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,3 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3138-55:
(6*3)+(5*1)+(4*3)+(3*8)+(2*5)+(1*5)=74
74 % 10 = 4
So 3138-55-4 is a valid CAS Registry Number.

3138-55-4Downstream Products

3138-55-4Relevant academic research and scientific papers

Binary Polyazides of Cerium and Gadolinium

Rosenstengel, Kati,Schulz, Axel,Niehaus, Oliver,Janka, Oliver,P?ttgen, Rainer,Villinger, Alexander

, p. 778 - 790 (2018)

Herein, we report on the preparation and full characterization (melting point, ATR-IR/Raman, elemental analysis, 14N NMR) of binary gadolinium(III) azide as DMSO solvate Gd(N3)3·8/3DMSO (DMSO = dimethylsulfoxide), along with the partially hydroxide substituted species Gd4(OH)2(N3)10·nDMSO (n = 8, 10). Moreover, the isolation and comprehensive characterization of hexaazido lanthanate(III) anions [Ln(N3)6]3– (Ln = Ce, Gd) in a series of [Ph4P]+ and [EtPh3P]+ salts is presented. Single-crystal structures of all compounds were determined, and the magnetic susceptibility in solution (NMR, Evans Method), as well as in the solid state (VSM), was investigated.

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