Month: November 2022

Defective Layered Double Hydroxide Nanosheet Boosts Electrocatalytic Hydrodechlorination Reaction on Supported Palladium Nanoparticles was written by Lv, Xiaoshu;Jiang, Kanxin;Wu, Hong;Ao, Liang;Hu, Lin;Li, Xiaoyu;Shen, Fei;Shi, Li;Dong, Fan;Jiang, Guangming. And the article was included in ACS ES&T Water in 2022.SDS of cas: 13820-53-6 The following contents are mentioned in the article:

Electrocatalytic hydrodechlorination on Pd, utilizing the H+ of H₂O as hydrogen sources, represents a promising technol. to detoxify the chlorinated organic pollutants (COPs) in water bodies. However, Pd alone affords limited activity due to its low efficacy in H₂O disassocn. and the poor mass diffusion of COPs that are commonly of low concentrations in the environment. Herein, we demonstrate that arming Pd with OH- vacancy-bearing NiAl-layered double hydroxide nanosheets (Pd/NixAl100-x-LDH-OHv) can significantly improve its performance, benefiting from the enhanced H₂O disassocn. at OHv and the facilitated C-Cl cleavage on the supported Pd nanoparticles. Al3+ is also indispensable because it promotes the formation and regeneration of OHv, but an overload will reduce the number of accessible OHv and weaken its function. Pd/Ni67Al33-LDH-OHv with the optimal Ni/Al ratio delivers a peak specific activity of 0.53 min-1 m-2 and mass activity of 6.54 min^-1 g-1Pd in treating 50.0 mg L^-1 2,4-dichlorophenol (2,4-DCP, a probe COP) at -0.25 V vs. RHE, outperforming most of the reported catalysts. To address the mass diffusion issue, Pd/Ni₆₇Al₃₃-LDH-OHv is integrated into a customized continuous-flow membrane cell. When fed a dilute wastewater (20.4 mg L^-1), the system affords a 2,4-DCP removal rate of 3.75 g2,4-DCP gcatalyst-1 h-1 and faradaic current efficiency of 42.6%, which is 3.2 and 4.0 times that obtained in a traditional batch reaction system, resp. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6SDS of cas: 13820-53-6).

Sodium tetrachloropalladate(II) (cas: 13820-53-6) belongs to organic chlorides. Organochlorines stimulate the central nervous system and cause convulsions, tremor, nausea, and mental confusion. Examples are dichlorodiphenyltrichloroethane (DDT), chlordane, lindane, endosulfan, and dieldrin. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.SDS of cas: 13820-53-6

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

New Insights on the Effects of Water on Polymer Inclusion Membranes Containing Aliquat 336 Derivatives as Carriers was written by Fontas, Claudia;Vera, Ruben;Antico, Enriqueta;Martinez de Yuso, Maria del Valle;Rodriguez-Castellon, Enrique;Benavente, Juana. And the article was included in Membranes (Basel, Switzerland) in 2022.SDS of cas: 5137-55-3 The following contents are mentioned in the article:

Surface characterization of polymer inclusion membranes (PIMs) using the polymers cellulose triacetate and polyvinyl chloride, containing different ionic liquids (ILs) as carriers, has been performed. Three different ILs have been tested: com. trioctyl methylammonium chloride (Aliquat 336^–AlqCl^–) and two derivatives bearing the counter anion NO3- or SCN- (AlqNO₃ and AlqSCN, resp.). Surface anal. was performed by SEM (SEM) and XPS for both dry membranes and PIMs immersed for 4 days in ultrapure water to investigate the effect of the interaction of water with the membrane’s morphol. and composition XPS anal. of the PIMs revealed that immersion in ultrapure water causes a decrease in the at. concentration percentage (A.C.%) of the specific IL atoms (Cl, S, and N) when compared with dry samples. Moreover, SEM images of the PIMs containing the IL AlqNO₃ showed an alteration in the morphol. of the membrane due to water contact at surface level, whereas no changes were observed at a bulk level. These changes in the surface composition of the water equilibrated PIMs may be associated with the solubilization of the IL in the water solution, which, therefore, may affect the reactivity of the membrane’s surface. To better understand this effect, PIMs containing both AlqCl and AlqNO₃ as carriers were used for arsenic (V) transport. It was found that AlqCl was the most effective IL and that the effectivity of the PIM on As(V) removal was not affected after five cycles of the membrane’s reuse. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3SDS of cas: 5137-55-3).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).SDS of cas: 5137-55-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Development and optimization of ionic liquid-based emulsion liquid membrane process for efficient recovery of lactic acid from aqueous streams was written by Khan, Huma Warsi;Reddy, Ambavaram Vijaya Bhaskar;Bustam, Mohamad Azmi;Goto, Masahiro;Moniruzzaman, Muhammad. And the article was included in Biochemical Engineering Journal in 2021.Computed Properties of C4H12ClN The following contents are mentioned in the article:

Development of ionic liquid-based emulsion membranes (ILEMs) has emerged as potential alternatives to organic solvent-based emulsion membranes for the extraction and recovery of biol. active compounds from aqueous streams. Hence, present study aims to develop novel ILEMs for the removal of bioactive lactic acid (LA) from aqueous streams using 100% vegetable oil as diluent. A series of ILEMs were prepared using three different ionic liquids (ILs) namely tetramethylammonium chloride [TMAm][Cl], tetramethylammonium acetate [TMAm][Ac] and tributylmethylammonium chloride [TBMAm][Cl] as a carrier. Besides, olive oil used as diluent, NaOH used as stripping agent, Tween 80 and Span 20 were employed as emulsifier in ILEMs preparation The visual static stability of ILEMs was observed and the ILEM extraction efficiency was fully optimized in terms of various process parameters. The results showed that short-chain acetate based quaternary ammonium IL [TMAm][Ac] provided greater efficiency compared to chloride based ILs [TMAm][Cl] and [TBMAm][Cl]. A maximum of 94.50% LA removal was obtained with [TMAm][Ac] at optimized conditions of 0.05 M LA, 1.0 weight% Span 20, 0.3 M NaOH, 0.3 weight% [TMAm][Ac], 0.3 ratio of internal phase to diluent phase and 3:1 treat ratio (ratio of external phase to membrane phase) at a stirring speed of 250 rpm for 25 min. The emulsion was found stable for 134 min at the optimized conditions. Overall, this newly developed ILEM could be effectively used for the LA removal and other bioactive compounds from aqueous streams. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Computed Properties of C4H12ClN).

Tetramethylammonium chloride (cas: 75-57-0) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Computed Properties of C4H12ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Facile Synthesis of Concave Cuboid Au NCs with Precisely Tunable Dimensions and Mechanistic Insight was written by Rajendra, Ranguwar;Roy, Debashree;Tripathi, Shalini;Ballav, Nirmalya. And the article was included in Langmuir in 2019.Computed Properties of C25H46ClN The following contents are mentioned in the article:

Concave cuboid (CCB) nanostructure is a member of the high-index facet (HIF) nanocrystals (NCs) family, geometrically derived from regular cuboid-excavation of each face. CCB NCs hold some addnl. characteristics such as surface cavity and sharp edges and corners as compared to its convex counterpart that makes it relatively more active in applications like electrochem. catalysis, surface enhanced Raman spectroscopy (SERS), and plasmonics. To date, there are only few reports available on the synthesis of CCB Au NCs where Br^– containing surfactants have been used as a shape directing and stabilizing agent. However, none of them led to decent yield and size tunability. Herein, we report a robust seed mediated growth strategy where cetyltrimethylammonium chloride (CTAC) and tannic acid (TA) have been used as shape-directing/stabilizing and mild reducing agents, resp. Our method not only allows the high yield fabrication of CCB Au NCs with uniform shape and size but also precise control over dimensions and degree of surface concavity. Moreover, the investigation of growth mechanism revealed that the evolution of CCB Au NCs from cylindrical nanorods (NRs) take place via arrow-headed nanorods and truncated CCB nanostructures. Furthermore, it has been observed that the presence of excess of Cl^– is indeed playing a decisive role despite the headgroup of counter cationic part of surfactant. We anticipate that our findings may pave the path to design new synthetic strategies and understand the evolution of new nanostructures. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Computed Properties of C25H46ClN).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) belongs to organic chlorides. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Computed Properties of C25H46ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Self-Assembly through Hydrogen Bonding: Peripheral Crowding – A New Strategy for the Preparation of Stable Supramolecular Aggregates Based on Parallel, Connected CA₃·M₃ Rosettes was written by Mathias, John P.;Simanek, Eric E.;Whitesides, George M.. And the article was included in Journal of the American Chemical Society in 1994.Category: chlorides-buliding-blocks The following contents are mentioned in the article:

The self-assembly of two new types of stable hydrogen-bonded supramol. aggregates – bisrosettes – that are based on parallel, connected CA₃·M₃ rosettes is reported. The minimization of intermol. steric hindrance (peripheral crowding within the aggregate) is proposed as the structural feature responsible for selecting the cyclic CA₃·M₃ rosette over competing linear hydrogen-bonded networks available to the precursors. One series of aggregates – 3bis(M)₂:6(CA) – is composed of 3 equiv of a bulky bismelamine [bis(M)₂] and 6 equiv of a bulky isocyanurate (CA). The second series of aggregates rosette – 3bis(CA)₂:6(M) – is composed of 3 equiv of a bisisocyanurate [bis(CA)₂] and 6 equiv of a melamine (M) bearing two bulky substituents. The nine particles in these aggregates are stabilized by 36 hydrogen bonds in two connected CA₃·M₃ rosettes. Each aggregate has been characterized by ¹H NMR spectroscopy, gel permeation chromatog., and vapor pressure osmometry. Correlations between the size of the substituents and the preorganization of the precursors and the stability of the aggregates derived from them are discussed. Observations from ¹H NMR spectroscopy and gel permeation chromatog. indicate that aggregates comprising two connected CA₃·M₃ rosettes are more stable than those stabilized by a single CA₃·M₃ rosette, for similar extents of peripheral crowding in the rosettes. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4Category: chlorides-buliding-blocks).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Category: chlorides-buliding-blocks

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Fast detection of benzalkonium chloride in eye drops based on nano electrospray-portable ion trap mass spectrometry was written by Zha, Yue;Shen, Xuejing;Li, Ming. And the article was included in Fenxi Shiyanshi in 2021.Computed Properties of C25H46ClN The following contents are mentioned in the article:

In this work, a rapid detection method without using chromatog. for the determination of bactericidal component of benzalkonium chloride in com. eye drops was established by building a nanoelectrospray ionization (Nano-ESI) with portable ion trap mass spectrometer (Ion Trap MS). In the pos. ion mode, the eye drops sample was diluted and injected into the capillary for rapid qual. and quant. anal. The optimal anal. conditions were obtained as follows, the distance between the capillary outlet and the injection port was 10 mm, and the spray voltage was 2000 V, the capillary voltage, capillary temperature and ion funnel voltage were set at 5 V, 30°C and 40 V, resp. The [M-Cl]⁺ peaks of three benzalkonium chlorides were used as qual. criteria, and the solution was prepared with pure substance and then analyzed by quant. anal. of standard curves. Under the optimized conditions, the linear range of the three components in the diluted eye drops was 1-500 mg/L with good correlation coefficient (R²> 0.99). The limit of detection (LOD) of the method evaluated by 11 blank sample test results was 0.1 mg/L and the limit of quantification (LQD) was 0.33 mg/L. Compared with the ultrahigh performance liquid chromatog. (UPLC)-MS method, there was no significant difference between the quant. determination results for the actual samples, but the anal. time of the Nano-ESI MS method was shorter (2 min). Therefore, the method can be used for rapid screening and quant. determination of benzalkonium chloride as an additive in eye drops. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Computed Properties of C25H46ClN).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).Computed Properties of C25H46ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

A Ratiometric and Targetable Fluorescent Sensor for Quantification of Mitochondrial Zinc Ions was written by Xue, Lin;Li, Guoping;Yu, Cailan;Jiang, Hua. And the article was included in Chemistry – A European Journal in 2012.Name: 1-Bromo-6-chlorohexane The following contents are mentioned in the article:

The authors designed a fluorescent sensor, DQZn2 (I), for ratiometric detection of mitochondrial Zn²⁺. 2-Picolylamine (DPA) was employed as an ion chelator that was installed on the 2-position of a quinoline platform to achieve high selectivity for Zn²⁺ over biol. Na⁺, K⁺, Ca²⁺, and Mg²⁺ with 1:1 stoichiometry and high affinity with nanomolar or lower K_a values. To increase basicity of the sensor, the stronger electron donating nitrogen atom replaced the oxygen atom on 4-position of quinoline. The authors anticipated that this sensor could be protonated under neutral or even weakly basic media, and consequently would yield a resonance between quinolinium and onium resonant structures as observed for DQCd1. The resonance would lead to charge delocalization, which is more pronounced in the excited state of the mol., due to occurrence of intramol. charge transfer (ICT) in polar media. The authors envisioned that Zn²⁺ coordination would induce the deprotonation of the sensor and consequent inhibition of the resonance. The ratiometric measurements with distinct emission maxima shift can thus be established. Mitochondria are known to be one of sites that take up Zn²⁺ in living cells. The triphenylphosphonium salt (TPP), an effective mitochondrial targeting group, was thus chosen and attached to the sensor. This ratiometric approach was used for quantification of the mitochondrial free Zn²⁺ concentration in NIH3T3 cells. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Name: 1-Bromo-6-chlorohexane).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Name: 1-Bromo-6-chlorohexane

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Enhanced removal of sulfamethoxazole antibiotics from aquatic samples by electromembrane extraction process was written by Olasupo, Ayo;Ahmed, Naser;Kamil, Wan Maryam Wan Ahmad;Suah, Faiz Bukhari Mohd. And the article was included in Reactive & Functional Polymers in 2022.Recommanded Product: N-Methyl-N,N-dioctyloctan-1-aminium chloride The following contents are mentioned in the article:

The antibiotic sulfamethoxazole (SMZ) is an emerging organic contaminant of concern. Residual amounts of this contaminant have been reported at different concentrations in aquatic environments due to the inability of wastewater treatment plants to remediate this compound completely. In this study, a classical polymer inclusion membrane (PIM) comprised of the base polymer cellulose triacetate (CTA), the carrier Aliquat 336, and the plasticiser dioctyl phthalate (DOP) was used for SMZ remediation. After an extraction time of 40 h at pH 9, the PIM completely removed SMZ with a transport efficiency of 82%. In order to improve the transport of SMZ across the membrane, we investigated the impact of an elec. voltage through electromembrane extraction (EME) at 20-120 V. At an extraction time of 15 h and a voltage of 50 V, SMZ was removed completely with a transport efficiency of 100%. However, excessive bubbling at the electrode under higher voltages (≥70 V) led to membrane instability. Subsequently, the stability of the membrane was investigated by subjecting the same membrane to 12 cyclic mass transfers under the same conditions; there was a slight difference in the efficiencies of the membrane. A gradual loss of membrane mass was recorded after each exptl. cycle, attributed to the loss of the membrane liquid phase. Finally, the fabricated PIM was successfully used to preconc. SMZ from real environmental samples, with preconcentration factors ranging from 22.9-24.1. Hence, applying a voltage was essential to achieving the total recovery of SMZ. This study involved multiple reactions and reactants, such as N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3Recommanded Product: N-Methyl-N,N-dioctyloctan-1-aminium chloride).

N-Methyl-N,N-dioctyloctan-1-aminium chloride (cas: 5137-55-3) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Recommanded Product: N-Methyl-N,N-dioctyloctan-1-aminium chloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

A comparison study on the performance between Tetrametylammonium chloride and PolyvinylPyrrolidone as drilling mud additives for gas hydrates was written by Yuha, Yasmine Binti Md;Lal, Bhajan;Bavoh, Cornelius Borecho;Keong, Lau Kok. And the article was included in Materials Today: Proceedings in 2021.COA of Formula: C4H12ClN The following contents are mentioned in the article:

The utilization of ionic liquids as additives in mud system to improve the rheol. properties for drilling hydrate sediments has received much attention recently. However, their performance needs to be compared with com. inhibitors to effectively enhance their replacement process. Therefore, in this work, the effect of one of the best reports ionic liquid, Tetrametylammonium chloride (TMACl) was used for hydrate management in the drilling process and was compared with PolyvinylPyrrolidone (PVP -a com. hydrate additive). The experiments were achieved by formulating drilling fluid with the compositions of freshwater, 3.0 wt% NaCl, 3.0 wt% KCl and 0.8 wt% Xanthan Gum and 1 wt% of TMACl/PVP, and verifying the rheol., physiochem., and hydrate inhibition properties of the mud system prepared A kinetic hydrate reactor is used to examine the hydrate inhibition properties at 8 MPa and -2°C and a TA instrument rheometer DHR1 was used to study the rheol. properties of the mud systems prepared The results showed that TMACl stabilized drilling mud thermal degradation by 400%, which PVP doubles the thermal degradation rate of drilling mud. In addition, TMACl could provide suitable shear thinning behavior than PVP. Though the effect of both PVP and TMACl on the CH₄ hydrate formed is within the same range, PVP delayed the time taken for hydrate formation by 25% from TMACl. Therefore, the findings in this study provided guidelines and information to the successful application and replacement of conventional hydrate inhibitions with ionic liquids This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0COA of Formula: C4H12ClN).

Tetramethylammonium chloride (cas: 75-57-0) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.COA of Formula: C4H12ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Ultralarge Flakes of Ti₃C₂T_x MXene via Soft Delamination was written by Shekhirev, Mikhail;Busa, Jeffrey;Shuck, Christopher E.;Torres, Angel;Bagheri, Saman;Sinitskii, Alexander;Gogotsi, Yury. And the article was included in ACS Nano in 2022.Application In Synthesis of Lithium chloride The following contents are mentioned in the article:

Two-dimensional (2D) titanium carbide MXene (Ti₃C₂T_x) has attracted significant attention due to its combination of properties and great promise for various applications. The size of the 2D sheets is a critical parameter affecting multiple properties of assembled films, fibers and 3D structures. The increased lateral size of MXene flakes can benefit not only their assemblies by improving the interflake contacts and alignment but also fundamental studies at the individual flake level, allowing for facile patterning and investigation of intrinsic phys. properties of MXenes. Increasing the average size of the parent MAX phase is one of the strategies previously used to increase the flake size of the resultant MXene. Here, we show that the protocol used for the next step of the synthesis procedure, delamination of multilayer MXene into individual nanosheets, significantly affects the lateral size of the resultant flakes. We developed a soft delamination approach, which prevents fracture of flakes and preserves their size. Combining this approach with the large-grain Ti₃AlC₂ MAX phase precursor, we achieved individual flakes of up to 40μm in lateral size. These flakes can be used for patterning multiple contacts and fabrication of field-effect transistors for multiprobe elec. characterization and other measurements. These findings indicate the importance of controlling the delamination process in order to achieve large MXene flakes and improve properties of MXene-based materials and devices. This study involved multiple reactions and reactants, such as Lithium chloride (cas: 7447-41-8Application In Synthesis of Lithium chloride).

Lithium chloride (cas: 7447-41-8) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Application In Synthesis of Lithium chloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics