Category: 1589-47-5

Li, Bao published the artcileVapor Liquid Equilibrium for the Binary of 1-Methoxy-2-propanol + 1,2-Propanediol and 2-Methoxy-1-propanol + 1,2-Propanediol at 101.3 kPa and 50.0 kPa, Quality Control of 1589-47-5, the publication is Journal of Chemical & Engineering Data (2020), 65(11), 5110-5117, database is CAplus.

The isobaric vapor-liquid equilibrium (VLE) data of 1-methoxy-2-propanol (PM) + 1,2-propanediol (PG) and 2-methoxy-1-propanol (MP) + 1,2-propanediol (PG) was measured in this work by a modified Rose-Williams still under pressures of 101.3 kPa and 50.0 kPa. The Wisniak test and the Van Ness test were applied to confirm the thermodn. consistency of the VLE data. The exptl. isobaric VLE data were correlated by the nonrandom two-liquid and universal quasichem. models. The experiment results showed that these two models perfectly correlate the measured VLE data.

Journal of Chemical & Engineering Data published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, Quality Control of 1589-47-5.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Danov, S. M. published the artcileMathematical modeling of the vapor-liquid equilibrium in the system of products of propylene oxide synthesis in methanol medium, COA of Formula: C4H10O2, the publication is Vestnik MITKHT (2012), 7(1), 36-41, database is CAplus.

Comparison of literature and calculated data on vapor-liquid equilibrium for systems formed by products of propylene oxide synthesis was carried out. On the basis of NRTL and UNIQUAC models the literature data on vapor-liquid equilibrium for the investigated systems were optimized. The model parameters and their deviations were estimated The corresponding phase diagrams were calculated and plotted.

Vestnik MITKHT published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, COA of Formula: C4H10O2.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Vracko, M. published the artcileComparison of predictions of developmental toxicity for compounds of solvent data set, Safety of 2-Methoxypropan-1-ol, the publication is SAR and QSAR in Environmental Research (2022), 33(1), 35-48, database is CAplus and MEDLINE.

We have considered a series of 235 compounds tech. classified as solvents. Chem., they belong to different classes. Their potential developmental toxicity was evaluated using two models available on platform VEGA HUB; model CAESAR and the Developmental/ Reproductive Toxicity library (PG) model. Models provide beside the prediction of developmental toxicity addnl. information on similar compounds from models training sets. In the report, first, we compare the predictions. Second, the sets of similar compounds have been used to implement the clustering scheme. The Kohonen artificial neural network method has been applied as a clustering method. The clusters obtained have been discussed for both models.

SAR and QSAR in Environmental Research published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C8H5F3N4, Safety of 2-Methoxypropan-1-ol.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Ranjitha, K. published the artcileRetention of freshness and isothiocyanates in fresh-cut radish (Raphanus sativus var. Longipinnatus) through glucose dip treatment, HPLC of Formula: 1589-47-5, the publication is Journal of Food Science and Technology (New Delhi, India) (2022), 59(1), 409-415, database is CAplus and MEDLINE.

Experiments were carried out with the objective of enhancing shelf life and maintain quality of fresh-cut radish slices during storage at 8°C. Dip treatment of radish slices in 20 g/L glucose solution for five minutes retained the quality attributes viz., surface color, sensory properties and antioxidant capacity of the slices till six days of storage. Isothiocyanates were also retained better due to glucose dip. Biplot generated through principal component anal. of head space volatiles from fresh and stored radish slices showed that fresh and glucose treated slices grouped together with 4-Me thio-3-butenyl isothiocyanate. Accumulation of sulphurous volatiles such as Me disulfide, di-Me trisulfide, 2-pentanethiol was observed in control (undipped) radish slices, indicating their probable role as spoilage indicator volatiles. Thus, glucose pre-treatment can be considered as a practical method for quality retention of fresh-cut radish.

Journal of Food Science and Technology (New Delhi, India) published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, HPLC of Formula: 1589-47-5.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Xu, Ming-xian published the artcileOne-pot synthesis of dimethyl carbonate in supercritical CO₂, COA of Formula: C4H10O2, the publication is Gaoxiao Huaxue Gongcheng Xuebao (2014), 28(6), 1334-1339, database is CAplus.

The synthesis of di-Me carbonate (DMC) was studied with carbon dioxide, propylene oxide (PO) and methanol as raw material, potassium methoxide (CH₃OK) as catalyst, calcium chloride (CaCl₂) as dehydration agent. The effects of factors such as the volume ratio of methanol and PO (1-12), stirring speed (0-500 r·min^-1), pressure (5.0-10.0 MPa), temperature (110-190°) and reaction time (0.25-3.0 h) on the synthesis of DMC were investigated. A possible reaction mechanism of one-pot synthesis of di-Me carbonate on CH₃OK was proposed. The results show that the conversion of methanol and the yield of DMC could reach 22.0% and 45.5% resp. under optimized reaction conditions (V_CH3OH : V_PO = 10 : 1, stirring speed 300 r·min^-1, pressure 7.0 MPa, temperature 140°, reaction time 1 h).

Gaoxiao Huaxue Gongcheng Xuebao published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H6F3NOS, COA of Formula: C4H10O2.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Li, Lei published the artcileOne-step synthesis of dimethyl carbonate from carbon dioxide, propylene oxide and methanol over alkali halides promoted by crown ethers, SDS of cas: 1589-47-5, the publication is Journal of Organometallic Chemistry (2015), 231-236, database is CAplus.

Crown ethers (i.e. [2,4]-dibenzo-18-crown-6 (DBC), 18-crown-6, 15-crown-5 and 12-crown-4) show obvious co-catalytic effect for alkali halides catalyzing one-step synthesis of di-Me carbonate (DMC) from CO₂, propylene oxide and methanol. Especially, the DMC yield of KCl catalyst promoted by DBC can increase by more than five times and reach about 40% under mild reaction conditions (i.e., low mole ratio of methanol and epoxides: 7:3, low initial pressure of CO₂: 1.5 MPa, reaction temperature: 140°, time: 10 h). The optimized molar ratio of KCl to DBC is 2: 1. Due to the good complexing ability between DBC and K⁺, KCl and DBC formed an organometallic complex. Actually, DBC can not only promote the reaction rate and equilibrium of cycloaddition and transesterification reactions, but also prevent side reaction. Importantly, DBC can conveniently achieve high recovery ratio and show excellent reusability.

Journal of Organometallic Chemistry published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, SDS of cas: 1589-47-5.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Sakdasri, Winatta published the artcileContinuous production of biofuel from refined and used palm olein oil with supercritical methanol at a low molar ratio, Recommanded Product: 2-Methoxypropan-1-ol, the publication is Energy Conversion and Management (2015), 934-942, database is CAplus.

The high energy consumption and high environmental impact in the supercritical methanol (SCM) process primarily originates from the preheating of reactants and the recovery of excess alcs. This work demonstrated the synthesis of biofuel using a lowered methanol to oil molar ratio of 12:1, instead of the 40:1-42:1 ratios that are commonly employed in conventional SCM. The apparent d. of the reacting mixture was measured and applied to accurately calculate residence times in a continuous reactor. The effects of residence time were considered from 10 to 25 min. The results revealed that excessive residence times reduced the ester content, especially for unsaturated esters, in the resulting biofuel. A residence time of 20 min was recommended to simultaneously achieve a maximum ester content of 90% and a triglyceride conversion of up to 99%. Used palm olein oil with high free fatty acid (4.56 weight%) can be employed as a feedstock and give a maximum ester content of 80%. In addition, the side reaction between glycerol and methanol at 400 °C and 15 MPa showed a pos. effect in increasing fuel yield by 2%-7%.

Energy Conversion and Management published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, Recommanded Product: 2-Methoxypropan-1-ol.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Arbulu, Maria published the artcileCharacterisation of the flavour profile from Graciano Vitis vinifera wine variety by a novel dual stir bar sorptive extraction methodology coupled to thermal desorption and gas chromatography-mass spectrometry, COA of Formula: C4H10O2, the publication is Analytica Chimica Acta (2013), 41-48, database is CAplus and MEDLINE.

A new anal. technique was developed for the study of the organoleptic compounds (flavor profile) of the Graciano Vitis vinifera wine variety. The cv. Graciano is a singular variety of red grapes with its origins in La Rioja and Navarra (northern Spain). This variety transfers an intense red color, aroma and high acidity to musts and provides greater longevity and, consequently, a better capacity for aging wine. A new dual-stir bar sorptive extraction approach coupled with thermal desorption (TD) and GC-MS has been used to extract the volatile and semivolatile compounds In this extraction step, the optimal values for the exptl. variables were obtained through the Response Surface Methodol. (RSM). Full scan chromatogram data were evaluated with two deconvolution software tools, and the results were compared. The volatile and semivolatile components were identified with an MS match ≥80%. As a result, the flavor metabolome of the Graciano Vitis vinifera wine variety was obtained, and 205 metabolites were identified using different databases. These metabolites were grouped into esters, acids, alcs., nitrogen compounds, furans, lactones, ketones, aldehydes, phenols, terpenes, norisoprenoids, sulfur compounds, acetals and pyrans. The majority of the metabolites observed had already been reported in the literature; however, this work also identified new, previously unreported metabolites in red wines, which may be characteristic of the Graciano variety.

Analytica Chimica Acta published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, COA of Formula: C4H10O2.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Rahmatpour, Ali published the artcileCross-linked poly(N-vinylpyrrolidone)-titanium tetrachloride complex: A novel stable solid TiCl₄ equivalent as a recyclable polymeric Lewis acid catalyst for regioselective ring-opening alcoholysis of epoxides, Formula: C4H10O2, the publication is Applied Organometallic Chemistry (2021), 35(11), e6385, database is CAplus.

Crosslinked poly(N-vinylpyrrolidone) resin beads were prepared as macromol. ligand precursors by suspension copolymerization of N-vinyl-2-pyrrolidone and N,N’-methylenebisacrylamide (MBA) as a crosslinking agent in water. Subsequently, the resulting polymer carrier precursor was readily combined with titanium tetrachloride to form a stable polymeric coordination complex (PNVP/TiCl₄), and this novel stable TiCl₄ equivalent evaluated as a heterogeneous and reusable solid Lewis acid catalyst for the regio-and stereoselective nucleophilic ring opening of various epoxides with various alcs. to prepare β-alkoxy alcs. in excellent yields without generating any waste. The MBA-crosslinked PNVP and resultant catalyst were characterized by Fourier transform IR spectroscopy (FT-IR), field-emission scanning electron microscope (FE-SEM), energy dispersive X-ray (EDX), inductively coupled plasma (ICP), and thermogravimetric anal. (TGA) techniques. Moreover, the catalyst is very stable, easily separated, and reused at least five times without significant loss of activity. In terms of scope, yields, the amount of catalyst used, and reaction time, the PNVP-TiCl₄ complex catalyst is an improvement over previously reported heterogeneous catalysts for ring opening of epoxides methods. Further, the exptl. outcome revealed that using the copolymer beads as carriers with a high percentage of crosslinking and the high mesh size leads had an adverse effect on the reaction rate.

Applied Organometallic Chemistry published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C4H10O2, Formula: C4H10O2.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem

Wang, Baohe published the artcileIsobaric Vapor-Liquid Equilibria for (Water + 1-Methoxy-2-propanol), (Water + 2-Methoxy-1-propanol), and (1-Methoxy-2-propanol + 2-Methoxy-1-propanol) at 101.3 kPa, Related Products of ethers-buliding-blocks, the publication is Journal of Chemical & Engineering Data (2017), 62(4), 1341-1347, database is CAplus.

Isobaric vapor-liquid equilibrium (VLE) data were measured at 101.3 kPa for three binary systems (water + 1-methoxy-2-propanol), (water + 2-methoxy-1-propanol), and (1-methoxy-2-propanol + 2-methoxy-1-propanol) by using a modified Rose-Williams still, in which both vapor and liquid phases circulate continuously. Pos. deviations and azeotropic behaviors were found in systems (water + 1-methoxy-2-propanol) and (water + 2-methoxy-1-propanol), while a neg. deviation was found in the system (1-methoxy-2-propanol + 2-methoxy-1-propanol). All of the exptl. VLE data for the three binary systems were tested and verified to be thermodynamically consistent by the Herington area test and Van Ness point test. The nonideality of the vapor phase was corrected by the Hayden-O’Connell method. The exptl. isobaric VLE data were correlated by using the universal quasichem. (UNIQUAC) and nonrandom two-liquid (NRTL) models, and the binary interaction parameters for the two models were reported. Results showed that both models correlated the exptl. data with good accuracy.

Journal of Chemical & Engineering Data published new progress about 1589-47-5. 1589-47-5 belongs to ethers-buliding-blocks, auxiliary class Aliphatic hydrocarbon chain,Alcohol,Ether, name is 2-Methoxypropan-1-ol, and the molecular formula is C9H7NO2, Related Products of ethers-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Ether,
Ether | (C2H5)2O – PubChem