Structure of 2223-95-2
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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
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Role of carboxylates in the phase determination of metal sulfide nanoparticles
Shults, Andrey A. ; Lu, Guanyu ; Caldwell, Joshua D. ; Macdonald, Janet E. ;
Abstract: Techniques are well established for the control of nanoparticle shape and size in colloidal synthesis, but very little is understood about precursor interactions and their effects on the resultant crystalline phase. Here we show that oleate, a surface stabilizing ligand that is ubiquitous in nanocrystal synthesis, plays a large role in the mechanism of phase selection of various metal sulfide nanoparticles when thiourea is used as the sulfur source. Gas and solid-phase FTIR, 13C, and 1H NMR studies revealed that oleate and thiourea interact to produce oleamide which promotes the isomeric shift of thiourea into ammonium thiocyanate, a less reactive sulfur reagent. Because of these sulfur sequestering reactions, sulfur deficient and metastable nanoparticles are produced, a trend seen across four different metals: copper, iron, nickel, and cobalt. At low carboxylate concentrations, powder XRD indicated that the following phases formed: covellite (CuS); vaesite (NiS2); smythite (FeS1.3), greigite (FeS1.3), marcasite (FeS2) and pyrite (FeS2); and cattierite (CoS2). At high sodium oleate concentration, these phases formed: digenite (CuS0.55), nickel sulfide (NiS), pyrrhotite (FeS1.1), and jaipurite (CoS).
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CAS No. : | 2223-95-2 |
Formula : | C36H70NiO4 |
M.W : | 625.63 |
SMILES Code : | CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.[Ni+2] |
MDL No. : | MFCD00054344 |
InChI Key : | JMWUYEFBFUCSAK-UHFFFAOYSA-L |
Pubchem ID : | 160624 |
GHS Pictogram: |
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Signal Word: | Danger |
Hazard Statements: | H302-H319-H372-H410 |
Precautionary Statements: | P501-P273-P260-P270-P264-P280-P391-P314-P337+P313-P305+P351+P338-P301+P312+P330 |
Class: | 9 |
UN#: | 3077 |
Packing Group: | Ⅲ |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
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...iazole; 2,2'-methylene-bis[4-(1,1,3,3-tetramethylbutyl)-6-(2N-benzotriazol-2-yl)phenol]; a condensation product of methyl-3-[3-t-butyl-5-(2H-benzotriazol-2-yl)-4-hydroxyphenyl] propionate and polyethylene glycol; and 2-(2-hydroxyphenyl)benzotriazole copolymer. Hydroxybenzoate photostabilizers ... Calcium, barium, cadmium, lead or nickel stearate, and calcium, cadmium, barium or ... |