Category: 122-18-9

Soil water solutes reduce the critical micelle concentration of quaternary ammonium compounds was written by Mulder, Ines;Schmittdiel, Malte;Frei, Henning;Hofmann, Laura;Gerbig, Dennis;Siemens, Jan. And the article was included in Environmental Science and Pollution Research in 2020.Formula: C25H46ClN The following contents are mentioned in the article:

Quaternary alkyl ammonium compounds (QAACs) are produced in large quantities for use as surfactants and disinfectants and also found in soils, sediments, and surface waters, where they are potentially involved in the selection of antibiotic resistance genes. Micelle formation influences fate and effects of QAACs. The critical micelle concentration (CMC) of six homologs of benzylalkylammonium chlorides (BAC) was determined in deionized water, 0.01 M CaCl₂ solution, and aqueous soil extracts, using both spectrofluorometric and tensiometric methods. Addnl., eight organic model compounds were employed at concentrations of 15 mg C L^-1 as background solutes in order to test the effect of dissolved organic carbon (DOC) on CMCs. Results found CMCs decreased with an increasing length of the alkyl chain from 188 mM for BAC-C8 to 0.1 mM for BAC-C18. Both methods yielded similar results for measurements in water and CaCl2 solution; however, the spectrofluorescence method did not work for soil extracts due to fluorescence quenching phenomena. In soil extracts, CMCs of BAC-C12 were reduced below 3.7 mM, while the CMC reduction in soil extracts was less pronounced for BAC-C16. Besides ionic strength, mol. structures of BACs and dissolved organic compounds also affected the CMC. The number of carboxyl groups and small mol. weights of the DOC model compounds reduced the CMCs of BAC-C12 and BAC-C16 at pH 6. This study highlights that CMCs can be surpassed in soil solution, pore waters of sediments, or other natural waters even at (small) concentrations of QAACs typically found in the environment. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Formula: C25H46ClN).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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. 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.Formula: C25H46ClN

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

Air and surface sampling method for assessing exposures to quaternary ammonium compounds using liquid chromatography tandem mass spectrometry was written by LeBouf, Ryan F.;Virji, Mohammed Abbas;Ranpara, Anand;Stefaniak, Aleksandr B.. And the article was included in Annals of Work Exposures and Health in 2017.Reference of 122-18-9 The following contents are mentioned in the article:

This method was designed for sampling select quaternary ammonium (quat) compounds in air or on surfaces followed by anal. using ultraperformance liquid chromatog. tandem mass spectrometry. Target quats were benzethonium chloride, didecyldimethylammonium bromide, benzyldimethyldodecylammonium chloride, benzyldimethyltetradecylammonium chloride, and benzyldimethylhexadecylammonium chloride. For air sampling, polytetrafluoroethylene (PTFE) filters are recommended for 15-min to 24-h sampling. For surface sampling, Pro-wipe 880 (PW) media was chosen. Samples were extracted in 60:40 acetonitrile:0.1% formic acid for 1 h on an orbital shaker. Method detection limits range from 0.3 to 2 ng/mL depending on media and analyte. Matrix effects of media are minimized through the use of multiple reaction monitoring vs. selected ion recording. Upper confidence limits on accuracy meet the National Institute for Occupational Safety and Health 25% criterion for PTFE and PW media for all analytes. Using PTFE and PW analyzed with multiple reaction monitoring, the method quantifies levels among the different quats compounds with high precision (<10% relative standard deviation) and low bias (<11%). The method is sensitive enough with very low method detection limits to capture quats on air sampling filters with only a 15-min sample duration with a maximum assessed storage time of 103 days before sample extraction This method will support future exposure assessment and quant. epidemiol. studies to explore exposure-response relationships and establish levels of quats exposures associated with adverse health effects. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Reference of 122-18-9).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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. 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.Reference of 122-18-9

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

Potentiometric sensor containing set of ion selective electrodes with lipid modified membranes for quality assessment of tested non-alcoholic beverages was written by Szpakowska, Maria;Szwacki, Jakub;Marjanska, Ewa. And the article was included in Desalination and Water Treatment in 2022.HPLC of Formula: 122-18-9 The following contents are mentioned in the article:

Potentiometric sensors may be a good tool for fast quality control of com. drinks. In this work, such a sensor, containing a set of ion-selective electrodes with lipid-modified membranes (benzyl-hexadecyldimethylammonium chloride monohydrate, hexadecylamine, 1-dodecanol, elaidic acid, cholesterol) was used for discrimination and quality control of non-alc. beverages, mainly composed of sugar and citric acid. It was found that the electrodes stability, membrane reproducibility and sensitivity to acetic, hydrochloric and citric acid concentration were very good. On the contrary, ion selective electrodes were not sensitive to sweet substances (glucose, fructose, sucrose) concentration changes. The potentiometric sensor consisting of ion-selective electrodes was applied to com. available non-alc. beverages, a reference drink and to di-component mixtures of sucrose and citric acid. A database of its responses to those mixtures was created. The possibility of using a “fingerprint” method for recognition and quality control of unknown beverages was discussed. The sensor responses to non-alc. beverages were transformed by principal component anal. and agglomerative hierarchical clustering anal. and compared to the results obtained with sensory anal. The tested drinks can be divided into two groups of similar sour taste intensity (lemonades and orangeades). The beverage of low sour taste intensity and the non-carbonated drink were outside these groups. The obtained results show that the potentiometric sensor with lipid-modified ion-selective electrodes may be a useful tool for quality control of unknown drinks on the last step of a production line. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9HPLC of Formula: 122-18-9).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.HPLC of Formula: 122-18-9

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

Kinetic study of methyl oleate epoxidation under phase transfer catalysis by heat flow measurement was written by Jabbour, Michael;Ben Talouba, Imed;Balland, Laurent;Mouhab, Nordine. And the article was included in Journal of Thermal Analysis and Calorimetry.Product Details of 122-18-9 The following contents are mentioned in the article:

The epoxidation of vegetable oils is an environmentally friendly process that allows the synthesis of platform mols. for many industrial applications. The diphasic nature of the reaction results in limitations due to mass transfer. Phase transfer catalysis is used as an alternative solution to improve the kinetics of Me oleate epoxidation This epoxidation was investigated by using quaternary ammonium salts, hydrated sodium tungstate and phosphoric acid. The chem. kinetics are monitored by measurements of the thermal flow in the RC1-RTCal calorimetric reactor. The effects of the molar ratios of the co-catalysts Na₂WO₄/H₂O₂ and H₃PO₄/H₂O₂, the nature and the concentration of the phase transfer agent and the temperature of the process on the chem. kinetics have been investigated. Five transfer agents, Aliquat336, MTOAB, CTAC, CTAB and BDHAC, were tested. The reaction kinetics is faster in the following order: Aliquat336 > CTAC > BDHAC. The reaction time is reduced to less than two hours compared to a conventional epoxidation using percarboxylic acids where the average reaction time is ten hours. The kinetic parameters estimation method is based on the comparison of the exptl. thermal power profiles with the calculated ones by means of a simplified model. A pseudo-homogeneous model based on the main epoxidation reaction and that of catalyst regeneration is proposed. The activation energy obtained for the epoxidation reaction is 40.5 kJ mol^-1. The safety parameters ΔTad, the maximum temperature of synthesis reaction and TD24 were determined This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Product Details of 122-18-9).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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.Product Details of 122-18-9

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

Role of micellar interface in the synthesis of chitosan nanoparticles formulated by reverse micellar method was written by Orellano, M. Soledad;Longo, Gabriel S.;Porporatto, Carina;Correa, N. Mariano;Falcone, R. Dario. And the article was included in Colloids and Surfaces, A: Physicochemical and Engineering Aspects in 2020.Formula: C25H46ClN The following contents are mentioned in the article:

Chitosan nanoparticles (Ch-NPs) have been extensively studied due to their wide applicability. The reverse micellar method has attracted special attention as a way to synthesize them, since it makes it possible to obtain size-controlled particles. This procedure involves the chitosan crosslinking reaction into polar cores of reverse micelles (RMs). Previous studies using sodium 1,4-bis-2-ethylhexylsulfosuccinate (AOT) RMs as nanoreactors showed that by changing the reagent concentration and RM water content, the final particle size can be adjusted. To gain insight into this method, we studied the effect of the micellar interface on the synthesis of Ch-NPs. Both benzyl-n-hexadecyldimethylammonium chloride (BHDC) and AOT RMs were assessed, since there are remarkable differences between their interfacial water entrapped structure. Ch-NPs were characterized by FT-IR spectroscopy, Dynamic Light Scattering, and SEM. Simulation studies by mol. theory were also performed. On the other hand, Ch-NPs obtained under different conditions were assessed in terms of their ability to solubilize curcumin, whose numerous therapeutic properties are somewhat countered by its poor solubility in water. The results show that Ch-NPs can be obtained from AOT and BHDC RMs by the reverse micellar method. The crosslinking reaction takes place in the micellar interface, and is more effective in AOT RMs. This difference in effectiveness can be attributed to the different positions Ch acquires in each of the two RMs tested. Finally, the NPs notably enhance the water solubility of curcumin, and particle size is the main determining factor for encapsulation efficiency. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Formula: C25H46ClN).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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).Formula: C25H46ClN

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

Black phosphorus-assisted laser desorption ionization mass spectrometry for the determination of low-molecular-weight compounds in biofluids was written by He, Xiao-Mei;Ding, Jun;Yu, Lei;Hussain, Dilshad;Feng, Yu-Qi. And the article was included in Analytical and Bioanalytical Chemistry in 2016.COA of Formula: C25H46ClN The following contents are mentioned in the article:

Quant. anal. of small mols. by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) has been a challenging task due to matrix-derived interferences in low m/z region and poor reproducibility of MS signal response. The authors developed an approach by applying black phosphorus (BP) as a matrix-assisted laser desorption ionization (MALDI) matrix for the quant. anal. of small mols. for the first time. Black phosphorus-assisted laser desorption/ionization mass spectrometry (BP/ALDI-MS) showed clear background and exhibited superior detection sensitivity toward quaternary ammonium compounds compared to carbon-based materials. By combining stable isotope labeling (SIL) strategy with BP/ALDI-MS (SIL-BP/ALDI-MS), a variety of analytes labeled with quaternary ammonium group were sensitively detected. Moreover, the isotope-labeled forms of analytes also served as internal standards, which broadened the analyte coverage of BP/ALDI-MS and improved the reproducibility of MS signals. Based on these advantages, a reliable method for quant. anal. of aldehydes from complex biol. samples (saliva, urine, and serum) was successfully established. Good linearities were obtained for five aldehydes at 0.1-20.0 μM with correlation coefficients (R²) larger than 0.9928. The LODs are 20 to 100 nM. Reproducibility of the method was obtained with intra-day and inter-day relative standard deviations (RSDs) <10.4 %, and the recoveries in saliva samples ranged from 91.4 to 117.1%. Taken together, the proposed SIL-BP/ALDI-MS strategy proved to be a reliable tool for quant. anal. of aldehydes from complex samples. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9COA of Formula: 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.COA of Formula: C25H46ClN

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

Efficient profiling of detergent-assisted membrane proteome in cyanobacteria was written by Choi, Jong-Soon;Park, Yun Hwan;Oh, Jeong Hyun;Kim, Sooyong;Kwon, Joseph;Choi, Yoon-E.. And the article was included in Journal of Applied Phycology in 2020.Reference of 122-18-9 The following contents are mentioned in the article:

Membrane proteins play key roles in cellular functions like transport of mols., perception of environmental cues, and signal transduction into the intracellular compartment. However, the profiling of membrane proteins is still a daunting task because of the hydrophobicity, restricting our knowledge of membrane proteins. Thus, we attempted to develop a novel detergent-based approach to uncover membrane proteins using cyanobacteria. We investigated the effect of five different detergents on the profiling of the cyanobacterial membrane proteome. The application of either amidosulfobetaine-14 (ASB14) or N-lauroylsarcosine (NL) doubled the number of the identified integral membrane proteins compared with the control. Extraction with ASB14 increased the number of transmembrane helixes over four times. The quant. index (mol%) of membrane proteins also increased from 13 to 22% when ASB14, NL, and benzyldimethyl-n-hexadecylammonium chloride (BAC) were used. ASB14 treatment was particularly useful for identifying membrane proteins with higher mol. weights (Mr), and the addition of BAC to the cyanobacterial membrane could identify the membrane proteins with acidic isoelec. points (pI). To validate the efficiency of the detergent-based proteomics, the functional membrane protein complexes involved in energy metabolism were selected as an example and shown to be successful with the combined data of ASB14, NL, and zwittergent 3-10 (ZW3-10). Taken together, we suggest that the use of a specific detergent and the subsequent combination of proteome data is critical for detailed profiling of cyanobacterial functional membrane proteins. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Reference of 122-18-9).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Reference of 122-18-9

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

Growth of gold nanorods synthesized by seed-mediated method: Tracking reaction by time-resolved x-ray absorption near-edge structure, small-angle x-ray scattering, and UV-visible spectroscopy was written by Hatakeyama, Yoshikiyo;Sasaki, Koh;Judai, Ken;Nishikawa, Keiko;Hino, Kazuyuki. And the article was included in Journal of Physical Chemistry C in 2018.SDS of cas: 122-18-9 The following contents are mentioned in the article:

Gold nanorods (GNRs) are attractive and important nanomaterials that show enormous promise for a wide range of applications. To investigate the formation process of GNRs generated by the seed-mediated method, we tracked the growth of GNRs with aspect ratios of 2 (GNR2s), 4 (GNR4s), and 6 (GNR6s) using time-resolved X-ray absorption near-edge structure (XANES). Moreover, for GNR6s, addnl. measurements by small-angle X-ray scattering and UV-visible spectroscopy were carried out for longer reaction times of up to 20 000 s. Cetyltrimethylammonium bromide (CTAB) was used as the surfactant in the generation of GNR2s and GNR4s, whereas benzyldimethylhexadecylammonium chloride (BDAC) and CTAB were used for GNR6s. The three anal. methods used provided consistent and compensatory results. It was found that GNR2s and GNR4s finish growing by 2000 s, consuming all the Au in the solutions, and that GNR6s keeps growing for more than 20 000 s by a different formation process. From these comprehensive results, it was revealed that severe competition for existence among the GNRs occurs in all solutions The seed particles added to the solutions of GNR2s and GNR4s start growing but the whole seed particles cannot mature into GNRs. Conversely, in the solution for GNR6s, some of the already-grown GNRs release Au atoms, allowing the growth of further GNRs, making the formation process slow, unique, and complex. The growth of GNR6s coordinated by CTAB and BDAC in appropriate proportions continues more than 20 000 s. In particular, back-and-forth growth of GNR6s is first observed by tracking the growth solution using time-resolved XANES. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9SDS of cas: 122-18-9).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) belongs to organic chlorides. Organic chlorides can be used in production of: PVC, pesticides, chloromethane, teflon, insulators. 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: 122-18-9

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

Determination of 18 Biocides in Both the Dissolved and Particulate Fractions of Urban and Surface Waters by HPLC-MS/MS was written by Paijens, Claudia;Frere, Bertrand;Caupos, Emilie;Moilleron, Regis;Bressy, Adele. And the article was included in Water, Air, & Soil Pollution in 2020.Electric Literature of C25H46ClN The following contents are mentioned in the article:

A robust method is provided to analyze 18 hydrophilic and hydrophobic biocides in both dissolved and particulate fractions of five types of urban and surface waters using high-performance liquid chromatog. coupled to tandem mass spectrometry. The linearity, accuracy, and intermediate precision were validated. The target biocides were enriched by solid-phase extraction using Chromabond HR-X 200-mg cartridges and eluted with methanol, Et acetate, and dichloromethane. Suspended matter was extracted by microwave-assisted extraction in methanol and dichloromethane. Recoveries and variability (resp. > 75% and < 30% for most of the target biocides and matrixes) made it possible to quantify biocides at a trace level in all matrixes. Limits of quantification were in the range of nanograms per L in the dissolved fraction and in the range of nanograms per g of dry weight in the particulate fraction for most of the biocides and matrixes, and were generally lower than those reported in previous studies. The method was successfully applied to surface waters, treated and untreated wastewater, combined sewer overflows, and stormwater, providing unique data in these matrixes for some substances, in particular with respect to particle contamination. In urban waters, concentrations of most of the biocides ranged from 10 to 200 ng/L. Diuron, isothiazolinone, and benzalkonium concentrations could reach 0.9, 0.9, and 20μg/L resp. In rivers, most of the biocides were measured at less than 10 ng/L, but higher concentrations were observed for benzalkoniums (up to 200 ng/L) or after rain events, which indicates biocide transfer from urban surfaces into the aquatic environment during wet weather. This study involved multiple reactions and reactants, such as N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9Electric Literature of C25H46ClN).

N-Benzyl-N,N-dimethylhexadecan-1-aminium chloride (cas: 122-18-9) 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. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Electric Literature of C25H46ClN

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

Effects of Benzyl-Functionalized Cationic Surfactants on the Inhibition of the Hydrogen Evolution Reaction in CO₂ Reduction Systems was written by Gutierrez-Sanchez, Oriol;Daems, Nick;Bulut, Metin;Pant, Deepak;Breugelmans, Tom. And the article was included in ACS Applied Materials & Interfaces in 2021.Computed Properties of C25H46ClN The following contents are mentioned in the article:

Cationic surfactants, mainly hexadecyl cetrimonium bromide (CTAB), are widely used in electrocatalysis to affect the selectivity of the reaction, specifically to inhibit the hydrogen evolution reaction (HER) in CO₂ reduction (CO₂R) systems. However, little research has been done on the modification of the functional groups present in such surfactants in order to promote this HER-inhibiting effect. In this work, the effectiveness of CTAB was promoted by substituting a Me group of the quaternary amine for a benzyl group. This cationic s heptadecyl trimethylammonium and octadecyl trimethylammonium, urfactant, cetalkonium chloride (CKC), increased the hydrophobicity of the surface of the electrode, promoting the HER inhibition and the CO₂R when HCO₃^– is used as a carbon source, which allows combining capture and conversion in one and the same medium, making it industrially highly attractive. By performing a detailed electrochem. characterization, we proved that the benzyl group formed an enhanced hydrophobic layer on the surface of the electrode in addition to the alkyl chain of the surfactant, showing higher effectiveness compared to CTAB. In fact, the Faradaic efficiency of the CO₂R increased from 39 to 66% in saturated HCO₃^– electrolytes by using CKC instead of CTAB as the HER inhibitor. This opens up a wide range of avenues for research on the application of surfactants in the field of electrocatalysis, because, as proven, a selective modification of it can tune the selectivity of the reaction, adding a new variable in the design of an efficient carbon capture and utilization system. 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. 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 readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Computed Properties of C25H46ClN

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