Category: chlorides-buliding-blocks

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

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 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

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

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

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

Effect of LCFeCr Alloy Additions on the Non-metallic Inclusion Characteristics in Ti-Containing Ferritic Stainless Steel was written by Wang, Yong;Oh, Min Kyo;Kim, Tae Sung;Karasev, Andrey;Mu, Wangzhong;Park, Joo Hyun;Joensson, Paer G.. And the article was included in Metallurgical and Materials Transactions B in 2021.Synthetic Route of C4H12ClN The following contents are mentioned in the article:

The influence of com. low carbon ferrochromium (LCFeCr) additions on the inclusion characteristics in Ti-containing ferritic stainless steel was studied by laboratory experiment in this work. The inclusions in steel before and after the FeCr alloy additions were investigated through systematic samplings and microscopy investigations of the liquid steel. Different types of inclusions in the FeCr alloy and steel were detected and the evolution of the inclusion characteristics (e.g., composition, size, morphol., and number d.) were investigated. The results showed that the Ti content decreased after the FeCr alloy additions Furthermore, MnCr₂O₄ spinel inclusions originating from the FeCr alloys transformed into Ti₂O₃-Cr₂O₃-based liquid inclusions and Ti₂O₃-rich solid inclusions. They were formed due to the reactions between MnCr₂O₄ and TiN inclusions or dissolved Ti in molten steel. The ratio of Ti/Al in the steel melt has a direct influence on the evolution of inclusions from thermodn. calculations The addition of FeCr alloys caused an increased number d. of these Ti₂O₃-containing inclusions and TiN inclusions up to 8 min from the time of alloy addition The increased Cr content from 16 to 24 mass pct due to the FeCr additions can increase the critical N content to form TiN inclusions at a specific Ti content. Overall, this study has contributed to the understanding the behavior of inclusions from LCFeCr alloy during the alloying process in Ti-containing steel. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Synthetic Route of C4H12ClN).

Tetramethylammonium chloride (cas: 75-57-0) 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).Synthetic Route of C4H12ClN

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

Ethylenic conjugated coumarin thiazolidinediones as new efficient antimicrobial modulators against clinical methicillin-resistant Staphylococcus aureus was written by Hu, Chun-Fang;Zhang, Peng-Li;Sui, Yan-Fei;Lv, Jing-Song;Ansari, Mohammad Fawad;Battini, Narsaiah;Li, Shuo;Zhou, Cheng-He;Geng, Rong-Xia. And the article was included in Bioorganic Chemistry in 2020.Name: Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

Ethylenic conjugated coumarin thiazolidinediones as potential multi-targeting new antimicrobial compounds I [R¹ = H, Me; R² = H, Et, CH₂HC=CH₂, 4-FC₆H₄CH₂, etc.; R³ = H, CH₂HC=CH₂, CH₂C≡CH] were synthesized through convenient procedures from com. available resorcinol and were evaluated for their antimicrobial potency. Bioactive evaluation revealed that some of the prepared compounds I showed strong antimicrobial activities toward the tested microorganisms including clin. drug-resistant strains. Especially, propargyl derivative I [R¹ = Me; R² = CH₂C≡CH; R³ = H] exhibited effective anti-MRSA potency with MIC value of 0.006μmol/mL, which was highly advantageous over clin. antibacterial drug norfloxacin. Compound I [R¹ = Me; R² = CH₂C≡CH; R³ = H] showed rapid killing effect, low toxicity against hepatocyte LO2 cell line and no obvious drug resistance development against MRSA. Preliminary exploration of action mechanism manifested that compd I [R¹ = Me; R² = CH₂C≡CH; R³ = H] acted upon MRSA through forming stable supramol. complex with bacterial DNA which might impede DNA replication. Mol. docking showed that compound I [R¹ = Me; R² = CH₂C≡CH; R³ = H] could bind with DNA-gyrase through hydrogen bonds. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Name: Ethyl 4-chloro-3-oxobutanoate).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) 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.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Name: Ethyl 4-chloro-3-oxobutanoate

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

A novel electrochemical aptasensor for serum dopamine detection based on methylene blue-integrated m-PdNFs signal material was written by Zhang, Chengli;You, Xun;Li, Yuliang;Zuo, Yuanyuan;Wang, Wei;Li, DanDan;Huang, ShengWei;Hu, Hangzhi;Yuan, Feng;Shao, Fuqiang;Yin, Minggang. And the article was included in Sensors and Actuators, B: Chemical in 2022.Synthetic Route of Cl4Na2Pd The following contents are mentioned in the article:

In this work, an aptamer was used as an identifying mol. and a novel amplification strategy based on Ce-MOF and m-PdNFs-G4-MBs for the sensitive detection of dopamine (DA) is demonstrated. Notably, a novel dopamine aptamer with higher affinity and specificity was chosen, and the PdNF was functionalized with MB via embeddedness and surface decoration for enhancing the intensity of electrochem. signal. The synthesized m-PdNFs-G4-MBs nanocomposite not only acts as the electrochem. indicator but also to label single-stranded DNA (S2) to acquire signaling probes (m-PdNFs-S2-G4-MBs) as a nanocarrier. Besides, an -NH2 modified single-strand DNA (S1) is designed, and form an S1-AP double-strand by annealing reaction with aptamer (AP), then the S1-AP is fixed on the Ce-MOF surface, decorated on electrode. In the presence of DA, DA bind to the AP and S1 regain single-stranded structure. And then, the single-stranded S1 recognizes m-PdNFs-S2-G4-MBs and captures them, ultimately producing an enhanced elec. signal. Due to the extraordinary conductive performance of Ce-MOF and the signal amplification of m-PdNFs-S2-G4-MBs, the new detection platform achieves a min. detection limit to 6 pmol/L for DA and with a good specificity. Prominently, the results obtained from our platform for serum DA detection are highly consistent with the UPLC-MS method. These results suggest that this new platform has the potential to provide a convenient and efficient tool for the diagnosis of multiple neurol. disorders in the future. This work also provides a good strategy for the construction of other biomol. sensors. This study involved multiple reactions and reactants, such as Sodium tetrachloropalladate(II) (cas: 13820-53-6Synthetic Route of Cl4Na2Pd).

Sodium tetrachloropalladate(II) (cas: 13820-53-6) 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.While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available. Alkyl chlorides readily undergo attack by nucleophiles.Synthetic Route of Cl4Na2Pd

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

Synthesis of novel triazine charring agent and its effect in intumescent flame-retardant polypropylene was written by Feng, Caimin;Zhang, Yi;Liu, Siwei;Chi, Zhenguo;Xu, Jiarui. And the article was included in Journal of Applied Polymer Science in 2012.Application of 2272-40-4 The following contents are mentioned in the article:

A novel charring agent (CNCA-DA) containing triazine and benzene ring, using cyanuric chloride, aniline, and ethylenediamine as raw materials, was synthesized and characterized. The effects of CNCA-DA on flame retardancy, thermal degradation, and flammability properties of polypropylene (PP) were investigated by limited oxygen index (LOI), vertical burning test (UL-94), thermogravimetric anal. (TGA), and cone calorimeter test (CCT). The TGA results showed that CNCA-DA had a good char forming ability, and a high initial temperature of thermal degradation; the char residue of CNCA-DA reached 18.5% at 800°; Ammonium polyphosphate (APP) could improve the char residue of APP/CNCA-DA system, the char residue reached 31.6% at 800°. The results from LOI and UL-94 showed that the intumescent flame retardant (IFR) containing CNCA-DA and APP was very effective in flame retardancy of PP. When the mass ratio of APP and CNCA-DA was 2 : 1, and the IFR loading was 30%, the IFR showed the best effect; the LOI value reached 35.6%. It was also found that when the IFR loading was only 20%, the flame retardancy of PP/IFR can still pass V-0 rating in UL-94 tests, and its LOI value reached 27.1%. The CCT results demonstrated that IFR could clearly change the decomposition behavior of PP and form a char layer on the surface of the composites, consequently resulting in efficient reduction of the flammability parameters, such as heat release rate (HRR), total heat release (THR), smoke production rate (SPR), total smoke production (TSP), and mass loss (ML). © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011. This study involved multiple reactions and reactants, such as 4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4Application of 2272-40-4).

4,6-Dichloro-N-phenyl-1,3,5-triazin-2-amine (cas: 2272-40-4) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Application of 2272-40-4

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