Category: 141-86-6

Recommanded Product: 2,6-DiaminopyridineIn 2019 ,《Space-Confined Polymerization: Controlled Fabrication of Nitrogen-Doped Polymer and Carbon Microspheres with Refined Hierarchical Architectures》 appeared in Advanced Materials (Weinheim, Germany). The author of the article were Wang, Tao; Sun, Yan; Zhang, Liangliang; Li, Kaiqian; Yi, Yikun; Song, Shuyan; Li, Mingtao; Qiao, Zhen-An; Dai, Sheng. The article conveys some information:

The construction of refined architectures plays a crucial role in performance improvement and application expansion of advanced materials. The synthesis of carbon microspheres with a refined hierarchical structure is still a problem in synthetic methodol., because it is difficult to achieve the necessary delicate control of the interior structure and outer shell across the microscale to nanoscale. Nitrogen-doped multichamber carbon (MCC) microspheres with a refined hierarchical structure are realized here via a surfactant-directed space-confined polymerization strategy. The MCC precursor is not the traditional phenolic resol but a new kind of 2,6-diaminopyridine-based multichamber polymer (MCP) with a high nitrogen content up to 20%. The morphol. and sizes of MCP microspheres can be easily controlled by a dual-surfactant system. The as-synthesized MCC with a highly microporous shell, a multichamber inner core, and beneficial N-doping can serve as a promising supercapacitor material. In the experimental materials used by the author, we found 2,6-Diaminopyridine(cas: 141-86-6Recommanded Product: 2,6-Diaminopyridine)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Recommanded Product: 2,6-Diaminopyridine

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Boejewicz, Daria; Witt, Katarzyna; Kaczorowska, Malgorzata A. published their research in Desalination and Water Treatment in 2021. The article was titled 《The comparison of the removal of copper(II) and zinc(II) ions from aqueous solution using 2,6-diaminopyridine in a polymer inclusion membrane and in a classic solvent extraction》.Product Details of 141-86-6 The article contains the following contents:

In this work, the recovery of copper(II) and zinc(II) ions from aqueous solutions using solvent extraction and polymer inclusion membranes (PIMs) was compared. 2,6-Diaminopyridine was used as an extractant in solvent extraction and as a carrier in PIMs. The characteristic parameters of these two processes were determined The results of all the experiments were processed and, addnl., standard deviations were calculated The percentage of extraction was dependent on the ligand concentration in the organic phase. For solvent extraction, the highest extraction percentage was 83.53% for copper(II) ions and 93.12% for zinc(II) ions. In the case of application of the PIM containing 20 weight% of 2,6-diaminopyridine as a carrier, the highest recovery factor determined after 24 h was 72.81% for copper(II) ions and 93.65% for zinc(II) ions, resp. The stability constants of its complexes of 2,6-diaminopyridine with copper(II) and zinc(II) ions were determined spectrophotometrically. Electrospray ionization high-resolution mass spectrometry was applied for the confirmation of the ability of 2,6-diaminopyridine to form complexes with Cu(II) and Zn(II) ions in solutions and for determination of the elemental composition of these complexes. The experimental process involved the reaction of 2,6-Diaminopyridine(cas: 141-86-6Product Details of 141-86-6)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Product Details of 141-86-6

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The author of 《Selective high capacity adsorption of Au(III) from aqueous solution by poly(glycidyl methacrylate) functionalized with 2,6-diaminopyridine》 were Zhang, Bing; Wang, Shixing; Fu, Likang; Zhang, Libo; Zhao, Jiling; Wang, Chen. And the article was published in Polymer Bulletin (Heidelberg, Germany) in 2019. Safety of 2,6-Diaminopyridine The author mentioned the following in the article:

A new adsorbent was synthesized by functionalizing poly(glycidyl methacrylate) with 2,6-diaminopyridine for the selective adsorption of Au(III) from aqueous solution The fourier transform IR spectrometer, XPS and scanning electron microscope demonstrated that 2,6-diaminopyridine was successfully grafted onto poly(glycidyl methacrylate). The batch adsorption experiments were conducted to evaluate the adsorption abilities of the adsorbent. The results show that the adsorbent exhibits high adsorption capacity (459.29 mg/g) for Au(III) at pH 4. The adsorption process of Au(III) are well described by pseudo-second-order kinetic model. The adsorption isotherm is well-obeyed Langmuir and D-R models. The calculated thermodn. parameters of the adsorption process are: ΔG0 = – 24.2 kJ/mol; ΔH0 = 37.0 kJ/mol; ΔS0 = 205.4 J/mol K. The adsorbent is interacted with Au(III) through chelation and ion exchange between the amines groups and Au(III). Moreover, the adsorbent shows good selectivity from the interfering ions and can be reused at least five times. The experimental part of the paper was very detailed, including the reaction process of 2,6-Diaminopyridine(cas: 141-86-6Safety of 2,6-Diaminopyridine)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Safety of 2,6-Diaminopyridine

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

In 2019,Journal of the Indian Chemical Society included an article by Sridevi, B.; Venkatesh, D.; Chitra, M.. Recommanded Product: 141-86-6. The article was titled 《Calculation of activation energy for unsaturated polyamide using fumaric acid and 2,6-diaminopyridine by modified Higashi-Yamazaki phosphorylation method》. The information in the text is summarized as follows:

With a view to examine the modification of polymer characteristics by the introduction of heterocyclic units in the polymer backbone it was proposed to synthesize and characterize unsaturated polyamides involving 2,6-diaminiopyridine and fumaric acid. Though the synthesis of these polyamide has been reported earlier by interfacial method, there is no systematic study seems to have been done to evaluate the kinetic parameters and biol. activity. In the present paper phosphorylation technique was employed to prepare the unsaturated polyamide and the results compared with the maleic acid to show the effect of cis-trans isomerism in thermal studies. After reading the article, we found that the author used 2,6-Diaminopyridine(cas: 141-86-6Recommanded Product: 141-86-6)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Recommanded Product: 141-86-6

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

In 2019,Composites, Part B: Engineering included an article by Mohamadi, Mohadese; Kowsari, Elaheh; Haddadi-Asl, Vahid; Yousefzadeh, Maryam. Formula: C5H7N3. The article was titled 《Fabrication, characterization and electromagnetic wave absorption properties of covalently modified reduced graphene oxide based on dinuclear cobalt complex》. The information in the text is summarized as follows:

We are reporting on well-designed single-layered and gradient concentration triple-layered microwave-absorbing composites based on functionalized reduced graphene oxide (FRGO). The RGO-[Co2L2Cl3]Cl, called FRGO, was fabricated through systematic exptl. efforts by the covalent attachment of the 2,6-diamino-3-[(2-carboxylicacid) phenylazo]-pyridine (L)/Cobalt (Co) complex with graphene oxide (GO) functionalities. The formation of FRGO was proven by a series of characterization techniques, such as XPS, FTIR, XRD, Raman spectroscopy, FESEM, and TEM. The consideration of RGO-[Co2L2Cl3]Cl as a highly efficient microwave-absorbing material is a result of its magnetoelec. synergistic effect, impedance match, and multiple scattering. The maximum reflection loss (RL) of single-layered an RGO-[Co2L2Cl3]Cl/epoxy resin composite can reach -16.32 dB at 8.69 GHz, which corresponds to a composite with 30 wt % absorber loading and a thickness of 4.5 mm. For the triple-layered composite with increasing mass percentage (10-20-30 wt %) of RGO-[Co2L2Cl3]Cl in the direction of microwave propagation, the maximum reflection loss value of -34.9 dB can be achieved at 10.69 GHz, with a coating layer thickness of 4.5 mm. The result demonstrates that the RGO-[Co2L2Cl3]Cl/epoxy resin composites of both models can be ideal microwave-absorbing candidates for application in the X-band. In the part of experimental materials, we found many familiar compounds, such as 2,6-Diaminopyridine(cas: 141-86-6Formula: C5H7N3)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Formula: C5H7N3

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

In 2019,Journal of Molecular Structure included an article by Ben Moussa, Oumaima; Chebbi, Hammouda; Zid, Mohamed Faouzi. Application of 141-86-6. The article was titled 《Synthesis, crystal structure, vibrational study, optical properties and Hirshfeld surface analysis of bis(2,6-diaminopyridinium) tetrachloridocobaltate(II) monohydrate》. The information in the text is summarized as follows:

The title organic-inorganic hybrid compound, (C5H8N3)2 [CoCl4]·H2O, was synthesized by slow evaporation at room temperature Single-crystal x-ray diffraction anal. indicates that the asym. unit in this compound consists of one tetrahedral geometry [CoCl4]2-, two protonated organic cations (C5H8N3)+ and one water mol. of crystallization, all of which lie in general positions. In the crystal structure, the inorganic layers are built from tetrachloridocobaltate anions [CoCl4]2- and free water mols., linked together by O-H···Cl hydrogen bonds. The organic cations are intercalated between the inorganic layers via N-H···Cl hydrogen bonds and form chains through aromatic donor-acceptor interactions. Crystal cohesion is achieved through N-H···Cl, O-H···Cl, N-H···O and C-H···Cl hydrogen bonds between organic cations, inorganic anions and the water mols. building up a three-dimensional network. The functional groups present in the crystal were studied by FTIR spectroscopy. Investigation of the optical properties of the compound confirmed its semiconducting properties by revealing a direct optical band gap at 1.67 eV. Photoluminescence proprieties are also reported. The three-dimensional Hirshfeld surface (3-dimensional-HS) anal. and the two-dimensional fingerprint plots (2-dimensional-FP) reveal that the structure is dominated by H···Cl/Cl···H and H···H contacts. After reading the article, we found that the author used 2,6-Diaminopyridine(cas: 141-86-6Application of 141-86-6)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Application of 141-86-6

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

《A new chromogenic and fluorescent chemosensor based on a naphthol-bisthiazolopyridine hybrid: a fast response and selective detection of multiple targets, silver, cyanide, sulfide, and hydrogen sulfide ions and gaseous H2S》 was published in Analyst (Cambridge, United Kingdom) in 2020. These research results belong to Kargar, Maryam; Darabi, Hossein Reza; Sharifi, Ali; Mostashari, Abdoljalil. Recommanded Product: 2,6-Diaminopyridine The article mentions the following:

A novel chemosensor 1 based on a naphthol-bisthiazolopyridine hybrid was synthesized and characterized. Among the various screened cations and anions, chemosensor 1 selectively recognized Ag+ and CN- ions by relying on the color change and distinct absorption and emission changes. Moreover, the probe 1·Ag+ was well operable for the selective monitoring of S2-, HS- and H2S as evidenced by the different color and optical changes. The selective detection of all the anions was simply based on the breakage of the intramol. hydrogen bonding of 1, followed by the protonation or deprotonation mechanism. In general, chemosensor 1 is a promising indicator in terms of its ease-of-use, selectivity, sensitivity, and rapid response (<1 s). Moreover, the visual detection and concentration determination of these analytes by solution or solid kits are the advantages for the practical applications of this sensor. In the experiment, the researchers used 2,6-Diaminopyridine(cas: 141-86-6Recommanded Product: 2,6-Diaminopyridine)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Recommanded Product: 2,6-Diaminopyridine

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

《Thermal studies of unsaturated aliphatic-heterocyclic polyamides》 was written by Sridevi, B.; Vijayakumar, R.. Safety of 2,6-DiaminopyridineThis research focused onunsaturated aliphatic heterocyclic polyamide thermal property. The article conveys some information:

Thermal anal. provides important information on the temperature dependent properties of materials and on thermally induced process (phase transition, decomposition, etc.). Thermal anal. is advantageous as it gives a general view of the thermal behavior of material under various conditions and requires a small amount of sample. Thermogravimetry anal. of synthesized unsaturated polymer using 2,6-diaminopyridine and maleic acid has been carried out in the temperature range of 40-500°C. The thermogravimetric data was analyzed by Murray and White, Coats and Redfern, Doyles and Freeman and Carroll’s method to calculate energy of activation. Different kinetic parameters were determined from Freeman and Carroll’s method and reported.2,6-Diaminopyridine(cas: 141-86-6Safety of 2,6-Diaminopyridine) was used in this study.

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Safety of 2,6-Diaminopyridine

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

The author of 《Gas-phase structures of hemiporphyrazine and dicarbahemiporphyrazine: Key role of interactions inside coordination cavity》 were Otlyotov, Arseniy A.; Zhabanov, Yuriy A.; Pogonin, Alexander E.; Kuznetsova, Alexandra S.; Islyaikin, Mikhail K.; Girichev, Georgiy V.. And the article was published in Journal of Molecular Structure in 2019. HPLC of Formula: 141-86-6 The author mentioned the following in the article:

The structures of free hemiporphyrazine and dicarbahemiporphyrazine mols. were determined by gas-phase electron diffraction and DFT calculations Distance corrections (re – ra) were calculated using two different approaches: commonly applied Sipachev’s algorithm and a recently developed technique based on mol. dynamics simulations. Both approaches examined against each other for the first time in the refinement of a relatively large (52 atoms) structure were found to result in almost the same final structural parameters. Gas-phase structures of hemiporphyrazine and dicarbahemiporphyrazine are saddle distorted, in contrast to the planar structure previously found for the solid-state hemiporphyrazine. Doubly charged anionic form of hemiporphyrazine was calculated to be significantly saddle distorted, while the anion of dicarbahemiporphyrazine was determined to possess a planar equilibrium structure. Structural features of the mols. and their doubly charged anionic forms are discussed in terms of AIM and NBO analyses.2,6-Diaminopyridine(cas: 141-86-6HPLC of Formula: 141-86-6) was used in this study.

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.HPLC of Formula: 141-86-6

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem

Related Products of 141-86-6In 2019 ,《A new ratiometric, colorimetric and ”turn-on” fluorescent chemosensor for the detection of cyanide ions based on a phenol-bisthiazolopyridine hybrid》 appeared in New Journal of Chemistry. The author of the article were Assadollahnejad, Nazafarin; Kargar, Maryam; Darabi, Hossein Reza; Abouali, Negar; Jamshidi, Shadi; Sharifi, Ali; Aghapoor, Kioumars; Sayahi, Hani. The article conveys some information:

A novel C2-sym. ratiometric fluorescence and colorimetric cyanide (CN-) sensor 1 (I) based on a phenol-bisthiazolopyridine hybrid was synthesized and characterized. Among the various screened anions, this chromogenic receptor 1 showed only a distinct visible color change from colorless to yellow and blue to green fluorescence toward CN- in both pure methanol and aqueous methanol. The ”turn-on” ratiometric fluorescence (emission shift = 95 nm) and colorimetric (absorbance shift = 45 nm) detection of CN- can be attributed to the deprotonation of the OH groups of 1, as evidenced by OH- and 1H NMR experiments The binding mode of 1 with CN- was determined to be a 1 : 1 stoichiometry through a Job plot. Probe 1 was also highly sensitive (LOD = 75 nM) as measured by ratiometric fluorescence (I420/I515 nm) methods. Moreover, the reversibility of the deprotonated 1 by HCl in both solution and the solid state (TLC paper test strips) was successful. In general, probe 1 is a promising CN- indicator in terms of its ease-of-use, selectivity, sensitivity, rapid response (<1 s), reversibility and test kit application. In the experiment, the researchers used many compounds, for example, 2,6-Diaminopyridine(cas: 141-86-6Related Products of 141-86-6)

2,6-Diaminopyridine(cas: 141-86-6) belongs to pyridine. Pyridine and its simple derivatives are stable and relatively unreactive liquids, with strong penetrating odours that are unpleasant.Related Products of 141-86-6

Referemce:
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem