Month: October 2021

Quality Control of Diphenyl oxide. In 2019 MOLECULES published article about SAFETY in [Scarsella, Joseph B.; Zhang, Nan; Hartman, Thomas G.] Rutgers State Univ, Dept Food Sci, 65 Dudley Rd, New Brunswick, NJ 08901 USA in 2019, Cited 19. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.

UV-curable inks, coatings, and adhesives are being increasingly used in food packaging systems. When exposed to UV energy, UV-photoinitiators (PI’s) present in the formulations produce free radicals which catalyze polymerization of monomers and pre-polymers into resins. In addition to photopolymerization, other free radical reactions occur in these systems resulting in the formation of chemically varied photolytic decomposition products, many of which are low molecular weight chemical species with high migration potential. This research conducted model experiments in which 24 commonly used PI’s were exposed to UV-energy at the typical upper limit of commercial UV-printing press conditions. UV-irradiated PI’s were analyzed by gas chromatography-mass spectrometry (GC-MS) and electrospray-mass spectrometry (ESI-MS) in order to identify photolytic decomposition products. Subsequently, migration studies of 258 UV-cure food packaging samples were conducted using GC-MS; PI’s and photolytic decomposition products were found in nearly all samples analyzed. One hundred-thirteen photolytic decomposition products were identified. Eighteen intact PI’s and 21 photolytic decomposition products were observed as migrants from the 258 samples analyzed, and these were evaluated for frequency of occurrence and migratory concentration range. The most commonly observed PI’s were 2-hydroxy-2-methylpropiophenone and benzophenone. The most commonly observed photolytic decomposition products were 2,4,6-trimethylbenzaldehyde and 1-phenyl-2-butanone. This compilation of PI photolytic decomposition data and associated migration data will aid industry in identifying and tracing non-intentionally added substances (NIAS) in food packaging materials.

About Diphenyl oxide, If you have any questions, you can contact Scarsella, JB; Zhang, N; Hartman, TG or concate me.. Quality Control of Diphenyl oxide

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I found the field of Chemistry very interesting. Saw the article Hydrosilylation of carbonyl and carboxyl groups catalysed by Mn(i) complexes bearing triazole ligands published in 2019. Computed Properties of C14H14O, Reprint Addresses Werle, C; Leitner, W (corresponding author), Max Planck Inst Chem Energy Convers, Stiftstr 34-36, D-45470 Mulheim, Germany.; Leitner, W (corresponding author), Rhein Westfal TH Aachen, ITMC, Worringer Weg 2, D-52074 Aachen, Germany.. The CAS is 103-50-4. Through research, I have a further understanding and discovery of Benzyl ether

Manganese(i) complexes bearing triazole ligands are reported as catalysts for the hydrosilylation of carbonyl and carboxyl compounds. The desired reaction proceeds readily at 80 degrees C within 3 hours at catalyst loadings as low as 0.25 to 1 mol%. Hence, good to excellent yields of alcohols could be obtained for a wide range of substrates including ketones, esters, and carboxylic acids illustrating the versatility of the metal/ligand combination.

About Benzyl ether, If you have any questions, you can contact Martinez-Ferrate, O; Chatterjee, B; Werle, C; Leitner, W or concate me.. Computed Properties of C14H14O

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Ether – Wikipedia,
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SDS of cas: 101-84-8. Authors Ghosh, P; Maity, T; Biswas, S; Debnath, R; Koner, S in PERGAMON-ELSEVIER SCIENCE LTD published article about in [Ghosh, Pameli; Maity, Tanmoy; Debnath, Rakesh; Koner, Subratanath] Jadavpur Univ, Dept Chem, Kolkata 700032, India; [Maity, Tanmoy] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India; [Biswas, Saptarshi] Katwa Coll, Katwa 713130, W Bengal, India in 2021, Cited 120. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

Hydrothermal treatment of gadolinium nitrate and 2,6-naphthalenedicarboxylic acid (H2NDC) afforded a new metal-organic framework compound, {[Gd-4(NDC)(6)(H2O)(6)]center dot 2H(2)O}n(1). Compound 1 has been characterized by single-crystal X-ray crystallography, elemental analysis, FT-IR spectroscopy, therrmogravimetric analysis (TGA) and powder X-ray diffraction analysis. It is crystallized in the monoclinic system with the P2(1)/n space group. Four crystallographically distinct Gd (III) centres are interconnected with each other through bridged carboxylato oxygen atoms and water molecules to form tetranuclear secondary building units, which are further connected through the carboxylato ligand and the network propagates along the crystallographic ac plane to form a 2D structure. Subsequent reinforcement from the remaining carboxylato oxygen atoms gives rise to a robust 3D framework structure. Thermogravimetric analysis demonstrates that compound 1 is fairly stable after dehydration under a nitrogen atmosphere. Notably, compound 1 is capable of catalyzing the O-arylation reaction efficiently between substituted phenols and bromoarene under heterogeneous conditions at 80 degrees C to afford unsymmetrical diarylethers. (C) 2020 Elsevier Ltd. All rights reserved.

SDS of cas: 101-84-8. About Diphenyl oxide, If you have any questions, you can contact Ghosh, P; Maity, T; Biswas, S; Debnath, R; Koner, S or concate me.

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Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

Liang, L; Niu, HY; Li, RL; Wang, YF; Yan, JK; Li, CG; Guo, HM in [Liang, Lei; Niu, Hong-Ying; Li, Ren-Long; Wang, Yao-Fei; Yan, Jin-Kai; Li, Chang-Gong] Henan Inst Sci & Technol, Sch Chem & Chem Engn, Xinxiang 453003, Henan, Peoples R China; [Guo, Hai-Ming] Henan Normal Univ, Sch Chem & Chem Engn, Xinxiang 453007, Henan, Peoples R China published Photoinduced Copper-Catalyzed Site-Selective C(sp(2))-C(sp) Cross-Coupling via Aryl Sulfonium Salts in 2020.0, Cited 44.0. HPLC of Formula: C12H10O. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.

The classical Sonogashira reaction of aryl electrophiles in the presence of Pd catalysts has been well established as a potent method for arylalkyne synthesis. However, the site-selective C(sp(2))-C(sp) cross-coupling strategy using a non-noble-metal catalyst is rare. An efficient alternative approach for the synthesis of arylalkynes via a Cu-catalyzed Sonogashira-type reaction promoted by visible light is described. This method enables site-selective alkynylation from aryl sulfonium salts derived from diverse arenes to a set of arylalkynes with high selectivity and high functional-group compatibility. Moreover, rapid alkynylation of drug molecules is demonstrated.

About Diphenyl oxide, If you have any questions, you can contact Liang, L; Niu, HY; Li, RL; Wang, YF; Yan, JK; Li, CG; Guo, HM or concate me.. HPLC of Formula: C12H10O

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Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

Formula: C12H10O. Recently I am researching about POLYCHLORINATED-BIPHENYLS; ORGANOCHLORINE PESTICIDES; SERUM CONCENTRATIONS; ENVIRONMENTAL CHEMICALS; DISRUPTING CHEMICALS; METABOLIC SYNDROME; GLUCOSE-TOLERANCE; EARLY-PREGNANCY; ADIPOSE-TISSUE; EXPOSURE, Saw an article supported by the National Institutes of Health’s Intramural Research Program at the Eunice Kennedy Shriver National Institute of Child Health and Human Development [HHSN275200800013C, HHSN275200800002I, HHSN27500006, HHSN275200800003IC, HHSN275200800014C, HHSN275200800012C, HHSN275200800028C, HHSN275201000009C, HHSN27500008]; EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENTUnited States Department of Health & Human ServicesNational Institutes of Health (NIH) – USANIH Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD) [ZIAHD008967] Funding Source: NIH RePORTER. Published in PERGAMON-ELSEVIER SCIENCE LTD in OXFORD ,Authors: Rahman, ML; Zhang, CL; Smarr, MM; Lee, S; Honda, M; Kannan, K; Tekola-Ayele, F; Louis, GMB. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide

Background: Persistent organic pollutants (POPs) are linked with insulin resistance and type-2 diabetes (T2D) in the general population. However, their associations with gestational diabetes (GDM) are inconsistent. Objective: We prospectively evaluated the associations of POPs measured in early pregnancy with GDM risk. We also assessed whether pre-pregnancy BMI (ppBMI) and family history of T2D modify this risk. Methods: In NICHD Fetal Growth Study, Singletons, we measured plasma concentration of 76 POPs, including 11 organochlorine pesticides (OCPs), 9 polybrominated diphenylethers (PBDEs), 44 polychlorinated biphenyls (PCBs), and 11 per-and polyfluoroalkyl substances (PFAS) among 2334 healthy non-obese women at 8-13 weeks of gestation. GDM was diagnosed by Carpenter and Coustan criteria. We constructed chemical networks using a weighted-correlation algorithm and examined the associations of individual chemical and chemical networks with GDM using multivariate Poisson regression with robust variance. Results: Higher concentrations of PCBs with six or more chlorine atoms were associated with increased risk of GDM in the overall cohort (risk ratios [RRs] range: 1.08-1.13 per 1-standard deviation [SD] increment) and among women with a family history of T2D (RRs range: 1.08-1.48 per 1-SD increment) or normal ppBMI (RRs range: 1.08-1.22 per 1-SD increment). Similar associations were observed for the chemical network comprised of PCBs with >= 6 chlorine atoms and the summary measure of total PCBs and non-dioxin like PCBs (138, 153, 170, 180). Furthermore, four PFAS congeners-perfluorononanoic acid (PFNA), perfluorooctanoic acid (PFOA), perfluoroheptanoic acid (PFHpA), and perfluorododecanoic acid (PFDoDA)-showed significant positive associations with GDM among women with a family history of T2D (RRs range: 1.22-3.18 per 1-SD increment), whereas BDE47 and BDE153 showed significant positive associations among women without a family history of T2D. Conclusions: Environmentally relevant levels of heavily chlorinated PCBs and some PFAS and PBDEs were positively associated with GDM with suggestive effect modifications by family history of T2D and body adiposity status.

About Diphenyl oxide, If you have any questions, you can contact Rahman, ML; Zhang, CL; Smarr, MM; Lee, S; Honda, M; Kannan, K; Tekola-Ayele, F; Louis, GMB or concate me.. Formula: C12H10O

Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

An article Mordenite-supported ruthenium catalyst for selective hydrodeoxygenation of lignin model compounds and lignin-derived bio-oil to produce cycloalkanes WOS:000640704500012 published article about PHENOLIC-COMPOUNDS; METAL-CATALYSTS; ENZYMATIC-HYDROLYSIS; CARBON; GUAIACOL; BIOMASS; CONVERSION; FUELS; HYDROCONVERSION; HYDROGENOLYSIS in [Hu, Lin; Wei, Xian-Yong; Kang, Yu-Hong; Guo, Xian-Hou; Xu, Mei-Ling; Zong, Zhi-Ming] China Univ Min & Technol, Key Lab Coal Proc & Efficient Utilizat, Minist Educ, Xuzhou 221116, Jiangsu, Peoples R China; [Wei, Xian-Yong] Ningxia Univ, State Key Lab High Efficiency Coal Utilizat & Gre, Yinchuan 750021, Ningxia, Peoples R China in 2021, Cited 59. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Recommanded Product: 101-84-8

Recently high yield of cycloalkanes originates from selective hydrodeoxygenation (HDO) of lignin-derived bio-oil under mild conditions, which still encounters the great challenges. Herein, mordenite-supported ruthenium bifunctional catalyst (Ru3%/M) was prepared by using the deposition-precipitation (DP) method for the HDO reaction of the petroleum ether-extractable portions (PEEP) from alkali catalytic ethanolysis of lignin (CEOL). Ru3%/M catalyst was characterized systematically by XRD, XPS, FTIRS, NH3-TPD, N-2-adsorption, SEM, and TEM, indicating that it had the moderate acid sites and uniform Ru nanoparticles dispersion. The synthesized catalyst was further tested for the HDO per-formance of diphenyl ether, oxybis(methylene)dibenzene, and anisole, respectively. Results showed that three lignin model compounds can be converted to high yield of cycloalkanes under 160 degrees C and 3 MPa H-2 in n-hexane. This catalyst showed the high catalytic activity for diphenyl ether HDO reaction, the con -version decreased slightly to 87.6% after five recycle times. Furthermore, catalyst feed mass was the key factor for HDO reaction of raw PEEP from CEOL, promoting the HDO reaction process to produce high yield of cycloalkanes. Interestingly, the mass ratio between catalyst feed and raw PEEP was 1, thus 74.36% relative content (RC) of cycloalkanes can be obtained. The upgraded PEEP from CEOL has potential to be used as clean liquid fuels. (C) 2021 Energy Institute. Published by Elsevier Ltd. All rights reserved.

About Diphenyl oxide, If you have any questions, you can contact Hu, L; Wei, XY; Kang, YH; Guo, XH; Xu, ML; Zong, ZM or concate me.. Recommanded Product: 101-84-8

Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

Product Details of 101-84-8. Recently I am researching about POLYBROMINATED DIPHENYL ETHERS; PERSISTENT ORGANIC POLLUTANTS; NORTHERN VIETNAM; RIVER SEDIMENTS; DECABROMODIPHENYL ETHANE; PCBS; PBDES; SYSTEM; SOILS; WATER, Saw an article supported by the Vietnam’s National Foundation for Science and Technology Development (NAFOSTED)National Foundation for Science & Technology Development (NAFOSTED) [105.08-2018.317]; Asia-Pacific Network for Global Change Research (APN) [CRRP2019-10MY-Le]; Fund for the Promotion of Joint International Research (Fostering Joint International Research) from the Japan Society for the Promotion of Science (JSPS) [18KK0300]. Published in ACADEMIC PRESS INC ELSEVIER SCIENCE in SAN DIEGO ,Authors: Hoang, AQ; Takahashi, S; Le, ND; Duong, TT; Pham, TMH; Pham, TNM; Nguyen, TAH; Tran, TM; Tu, MB; Le, TPQ. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide

Comprehensive and updated information about polychlorinated biphenyls (PCBs) and brominated flame retardants (BFRs) in surface sediments from Hanoi, the capital city of Vietnam, is rather scarce. In this study, concentrations and profiles of 209 PCBs, 41 polybrominated diphenyl ethers (PBDEs), 2,2 ‘,4,4 ‘,5,5 ‘-hexabromobiphenyl (BB-153), hexabromocyclododecane (HBCD), pentabromoethylbenzene (PBEB), 1,2-bis(2,4,6tribromophenoxy)ethane (BTBPE), and decabromodiphenyl ethane (DBDPE) were determined in sediment samples collected from the Red River and some inner-city rivers of Hanoi. Concentrations (ng/g dry weight, median and range) of pollutants decreased in the order: DBDPE (28; not detected ND – 59) approximate to PCBs (27; 1.7-50) > PBDEs (23; 0.20-61) > HBCD (1.2; ND – 5.2) > BTBPE (0.46; ND – 3.6) > BB-153 (0.004; ND – 0.014) > PBEB (ND). Pollutant levels in the inner-city river sediments were about one to two orders of magnitude higher than those measured in the Red River main stream sediments. Tri-to hexa-CBs are major homologs but detailed profiles vary between individual samples, reflecting source and/or seasonal variations. CB-11 and CB-209 were found at higher proportions in sediments than in technical PCB mixtures, suggesting their novel sources from pigments. Deca-BDE and DBDPE are the most predominant BFRs with an increasing trend predicted for DBDPE. A preliminary ecological risk assessment was conducted for these pollutants in sediments. Total PCBs and deca-BDE in a few inner-city river sediments may exhibit adverse effects on benthic organisms, but no serious risk was estimated in general.

Product Details of 101-84-8. About Diphenyl oxide, If you have any questions, you can contact Hoang, AQ; Takahashi, S; Le, ND; Duong, TT; Pham, TMH; Pham, TNM; Nguyen, TAH; Tran, TM; Tu, MB; Le, TPQ or concate me.

Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

COA of Formula: C14H14O. I found the field of Chemistry; Science & Technology – Other Topics; Materials Science very interesting. Saw the article Direct synthesis of hierarchically structured MFI zeolite nanosheet assemblies with tailored activity in benzylation reaction published in 2019, Reprint Addresses Liu, BY (corresponding author), Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Guangdong, Peoples R China.; Chen, HY (corresponding author), Northwest Univ, Sch Chem Engn, Xian 710069, Shaanxi, Peoples R China.. The CAS is 103-50-4. Through research, I have a further understanding and discovery of Benzyl ether.

The MFI zeolites with nanosheet assemblies morphology were prepared by a seed-assisted strategy using specially designed bolaform surfactant [C6H13-N+ (CH3)(2)-C6H12-N+ (CH3)(2)-(CH2)(12)-O-(p-C6H4)(2)-O-(CH2)(12)-N+(CH3)(2)-C6H12-N+(CH3)(2)-C6H13] [Br-](4) (C6-12-diphe) as a structure-directing agent. The MFI zeolite nanosheet assemblies were composed of MFI nanosheets with randomly organized structure, exhibiting a narrow mesopore distribution. By tuning the Si/AI ratios of MFI zeolite nanosheet assemblies from 60 to 10, the morphology of resultant zeolites changed from nanosheet stacks to house-of-cards-like structures, and to nanosponges. In addition, the porosity and Bronsted acid/Lewis acid ratio exhibited a parabola-type dependence on the Si/Al ratios of obtained zeolites, indicating that meso-/microporosity and acidity of MFI nanosheet assemblies can be systematically tailored by changing the constituents of zeolites. Catalytic performance of MFI zeolite nanosheet assemblies was investigated in the benzylation of benzyl alcohol with mesitylene. The results revealed that MFI zeolite nanosheet assemblies exhibited extraordinary catalytic activity compared to conventional ZSM-5 zeolite. The conversion of benzyl alcohol and selectivity (1,3,5-trimethyl-2-benzylbenzene vs dibenzyl ether) of zeolite catalysts were linearly dependent on the 81-misted acid/Lewis acid ratio, and they exhibited a parabola-type dependence on the S-ext/S-BET, indicating that a balance between acidity and porosity of zeolites can be realized to modulate the catalytic properties of MFI zeolite nanosheet assemblies guided by C6-12-diphe.

COA of Formula: C14H14O. About Benzyl ether, If you have any questions, you can contact Liu, BY; Chen, ZP; Huang, JJ; Chen, HY; Fang, YX or concate me.

Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

Recommanded Product: 103-50-4. In 2020 POLYMER published article about SYNDIOTACTIC POLYSTYRENE; GAS SORPTION; POLY(2,6-DIMETHYL-1,4-PHENYLENE OXIDE); AMORPHOUS PHASES; SINGLE-CRYSTALS; X-RAY; TRANSPORT; FILMS; MEMBRANES; DELTA in [Guerra, Gaetano] Univ Salerno, Dipartimento Chim & Biol, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy; Univ Salerno, INSTM Res Unit, Via Giovanni Paolo II 132, I-84084 Fisciano, Italy in 2020, Cited 49. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4.

The stability of a and beta nanoporous-crystalline (NC) forms of Poly(2,6-dimethyl-1,4-phenylene) oxide (PPO), in the presence of guest molecules leading to crystallization in a and beta-form (alpha and beta-guests), is explored. Sorption of liquid guests at 30 degrees C and 60 degrees C is studied both for NC films and NC aerogels. WAXD and FTIR characterizations show that, for all considered conditions, NC alpha-phases after guest sorption/desorption remain unaltered. NC beta-phases, on the contrary, after alpha-guest sorption can be transformed in co-crystalline (CC) alpha-phases that after guest desorption are transformed in NC alpha-phases. All conducted experiments also show that possible planar orientations of NC films (c//or c perpendicular to orientations) remain essentially unaltered, after sorption of all considered guest molecules. The presently discovered beta ->alpha transition constitutes a route to obtain unoriented alpha-form films, which till now were not available by known preparation procedures.

Recommanded Product: 103-50-4. About Benzyl ether, If you have any questions, you can contact Nagendra, B; Cozzolino, A; Golla, M; Daniel, C; Rizzo, P; Guerra, G or concate me.

Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem

Zhou, YW; Mu, YY; Hsieh, MF; Kabius, B; Pacheco, C; Bator, C; Rioux, RM; Rimer, JD in [Mu, Yanyu; Kabius, Bernd; Rioux, Robert M.] Penn State Univ, Dept Chem Engn, University Pk, PA 16801 USA; [Pacheco, Carlos; Rioux, Robert M.] Penn State Univ, Dept Chem, University Pk, PA 16801 USA; [Zhou, Yunwen; Hsieh, Ming-Feng; Rimer, Jeffrey D.] Univ Houston, Dept Chem & Biomol Engn, Houston, TX 77204 USA; [Bator, Carol] Penn State Univ, Huck Inst Life Sci, University Pk, PA 16801 USA published Enhanced Surface Activity of MWW Zeolite Nanosheets Prepared via a One-Step Synthesis in 2020, Cited 64. SDS of cas: 103-50-4. The Name is Benzyl ether. Through research, I have a further understanding and discovery of 103-50-4.

The synthesis of two-dimensional (2D) zeolites has garnered attention due to their superior properties for applications that span catalysis to selective separations. Prior studies of 2D zeolite catalysts demonstrated enhanced mass transport for improved catalyst lifetime and selectivity. Moreover, the significantly higher external surface area of 2D materials allows for reactions of bulky molecules too large to access interior pores. There are relatively few protocols for preparing 2D materials, owing to the difficultly of capping growth in one direction to only a few unit cells. To accomplish this, it is often necessary to employ complex, commercially unavailable organic structure-directing agents (OSDAs) prepared via multistep synthesis. However, a small subset of zeolite structures exist as naturally layered materials where postsynthesis steps can be used to exfoliate samples and produce ultrathin 2D nanosheets. In this study, we selected a common layered zeolite, the MWW framework, to explore methods of preparing 2D nanosheets via one-pot synthesis in the absence of complex organic templates. Using a combination of high-resolution microscopy and spectroscopy, we show that 2D MMW-type layers with an average thickness of 3.5 nm (ca. 1.5 unit cells) can be generated using the surfactant cetyltrimethylammonium (CTA), which operates as a dual OSDA and exfoliating agent to affect Al siting and to eliminate the need for postsynthesis exfoliation, respectively. We tested these 2D catalysts using a model reaction that assesses external (surface) Brmnsted acid sites and observed a marked increase in the conversion relative to three-dimensional MWW (MCM-22) and 2D layers prepared from postsynthesis exfoliation (ITQ-2). Collectively, our findings identify a facile and effective route to directly synthesize 2D MWW-type materials, which may prove to be more broadly applicable to other layered zeolites.

SDS of cas: 103-50-4. About Benzyl ether, If you have any questions, you can contact Zhou, YW; Mu, YY; Hsieh, MF; Kabius, B; Pacheco, C; Bator, C; Rioux, RM; Rimer, JD or concate me.

Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem