Category: 2380-78-1

Green Extraction of Cork Bioactive Compounds Using Natural Deep Eutectic Mixtures was written by Freitas, David S.;Rocha, Diana;Castro, Tarsila G.;Noro, Jennifer;Castro, Vania I. B.;Teixeira, Marta A.;Reis, Rui L.;Cavaco-Paulo, Artur;Silva, Carla. And the article was included in ACS Sustainable Chemistry & Engineering in 2022.HPLC of Formula: 2380-78-1 The following contents are mentioned in the article:

Quercus suber cork generates bioactive components, such as phenolic acids, terpenoids, and tannins, with excellent biol. properties, including antioxidant, anti-inflammatory, and antiaging activities. Aiming to design environmentally benign processes to eliminate, or reduce, the use of toxic chems., we propose the green extraction of bioactives from cork using natural deep eutectic solvents (NADES). Several deep eutectic mixtures were developed, through the mixture of natural compounds, namely, lactic acid, glycerol, ethylene glycol, sodium citrate, and sodium lactate, chosen according to their origin, toxicity, biocompatibility, polarity, and pH. The results revealed higher extraction yields when using NADES instead of harsh solvents like dioxane, with the extraction process governed by several phys.-chem. parameters, including pH, polarity, viscosity, and d., and also by the method of extraction Acidic NADES composed of lactic acid and glycerol, or sodium citrate, extracted a greater amount of aromatic compounds, terpenoids, and fatty acids and their derivatives More basic eutectic mixtures, composed of sodium lactate and a polyol (ethylene glycol or glycerol), extracted predominantly low mol. weight polar compounds The extracts range encompassed by the developed NADES, together with the associated nontoxicity, low price, and ease of preparation, establish these solvents as a green approach to extract high added-value compounds from cork. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1HPLC of Formula: 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.HPLC of Formula: 2380-78-1

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

Protective effect of olive oil polyphenol phase II sulfate conjugates on erythrocyte oxidative-induced hemolysis was written by Fernandes, Sara;Ribeiro, Catarina;Paiva-Martins, Fatima;Catarino, Cristina;Santos-Silva, Alice. And the article was included in Food & Function in 2020.Formula: C9H12O3 The following contents are mentioned in the article:

The consumption of extra virgin olive oil (EVOO) has been associated with a lower incidence of cardiovascular diseases partly due to its polyphenol content. The metabolites hydroxytyrosol sulfate and hydroxytyrosol acetate sulfate were shown to be the most concentrated polyphenol metabolites found in plasma after EVOO consumption. Therefore, the capacity of hydroxytyrosol, hydroxytyrosol acetate, homovanillyl alc., homovanillyl alc. acetate and tyrosol sulfate metabolites, to protect red blood cells (RBCs) from oxidative injury induced by the radical initiator 2,2′-azo-bis(2-amidinopropane) dihydrochloride (AAPH) was evaluated. In the presence of AAPH, all non-sulfated compounds and the hydroxytyrosol and hydroxytyrosol acetate monosulfate metabolites showed a significant protective activity against RBCs induced oxidative hemolysis. Moreover, even at 5μM, the protection was highly significant for hydroxytyrosol acetate, hydroxytyrosol and hydroxytyrosol acetate 3′ and 4′ monosulfates. The morphol. changes of RBC and the nature of their Hb were in accordance with the hemolysis assay. Results showed that a free phenolic hydroxyl group is needed for the antioxidant protection given by compounds Hydroxytyrosol metabolites present as phase II sulfate conjugates are actually able to protect RBC from oxidative injury by a non-transcriptional mechanism and are likely to contribute for the anti-atherosclerosis properties of regular EVOO consumption. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Formula: C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Formula: C9H12O3

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

Effects of pressure on lignocellulosic biomass fast pyrolysis in nitrogen and carbon dioxide was written by Cerciello, F.;Apicella, B.;Russo, C.;Cortese, L.;Senneca, O.. And the article was included in Fuel in 2021.Formula: C9H12O3 The following contents are mentioned in the article:

The present study investigates the influence of pressure on the products of fast pyrolysis of a lignocellulosic biomass (Walnut Shells). Experiments were carried out using a special heated strip reactor (HSR) at temperature of 1573 and 2073 K, pressure up to 8 bar and heating rate of 104 K/s. Two atmospheres have been investigated: N₂ and CO₂. Increasing the pressure of heat treatment, the combustion pattern and the average combustion reactivity of the chars change remarkably. Multiple components with different combustion reactivity have been found in the char samples. Upon heat treatment in N₂ the most reactive components are depleted more easily than upon heat treatment in CO₂. Consequently, thermodeactivation is more severe in N₂ than in CO₂. Raman anal. of the chars shows that graphitic order develops only upon heat treatment at 2073 K at the pressure of 2 bar, but not upon heat treatment at 1573 K, not even at the higher pressure investigated (4 and 8 bar). The loss of reactivity induced by pressure is therefore ascribed to changes in the internal distribution of char components. The evolution of the solid components is accompanied by changes in the distribution of aliphatics/methoxy aromatic compounds in the produced tar. The interplay of temperature, pressure, and CO₂ affects both mineral matter and the carbon matrix resulting into a rather complex behavior. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Formula: C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Formula: C9H12O3

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

Enological properties of red wine produced from native Kosetevek grapes (Vitis vinifera L.) cultivated in Eastern Anatolia was written by Arpa Zemzemoglu, Tuba Eda;Darici, Merve;Cabaroglu, Turgut. And the article was included in European Food Research and Technology in 2021.Formula: C9H12O3 The following contents are mentioned in the article:

The aim of this study was to determine the potential of red wine production from the Kosetevek grape variety (Vitis Vinifera L.) cultivated in Elazig province of Turkey and to define the characteristics of Kosetevek wines. To determine the grapes for wine production quality, the general composition, phenolic compounds, aroma compounds and sensory anal. of the wines were carried out. Aroma compounds were performed by solid-phase extraction (SPE) and then analyzed by gas chromatog. (GC) along with gas chromatog./mass spectrometry (GC/MS). Results showed that the red wines obtained from Kosetevek grapes consisted of 50 aroma compounds for 2014 vintages and 49 aroma compounds for 2015 vintages. Esters were the main components contributing to the Kosetevek wine aroma along with Et hydrogen succinate and ethyl-4-hydroxy butanoate. The amount of total phenolic compounds, total anthocyanin, and the tannin in Kosetevek wines were found to be between 3705.45 and 3015.63 mg/L, 554.25-502.35 mg/L, and 4.5-3.95 g/L at 2014-2015 vintages, resp. As to sensory evaluation, Kosetevek wines were characterized as a deep purple color, middle to high body, and rich in red fruit (cherries, plums), and dried fruit odors. This study has provided enol. properties and aroma characterization of Kosetevek wines. The results of the study showed that Kosetevek wines could be considered as an alternative to other wines obtained from native grape varieties of the region. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Formula: C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.Formula: C9H12O3

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

Efficient extracellular laccase secretion via bio-designed secretory apparatuses to enhance bacterial utilization of recalcitrant lignin was written by Cao, Lanfang;Lin, Lu;Sui, Haiyan;Wang, Heng;Zhang, Zhichao;Jiao, Nianzhi;Zhou, Jizhong. And the article was included in Green Chemistry in 2021.Synthetic Route of C9H12O3 The following contents are mentioned in the article:

Microbial-driven lignin conversion has a significant impact on the biogeochem. of global ecosystems and biomass utilization. During this process, secretion of extracellular ligninolytic enzymes is the first, essential step, yet there is a significant challenge to the secretion of these high-redox potential enzymes in bacteria, especially in Gram-neg. bacteria. In this study, genome and proteome analyses enabled us to bio-design two types of extracellular secretory apparatus, both of which effectively secreted a heterologous laccase in Pseudomonas putida, up to ~300 U mL-1. Importantly, a strong cooperation between P. putida A514 cells and the extracellular laccase, which was either released to the medium or displayed on the cell surface, was observed to significantly promote cell growth (9 x 1010 CFUs mL-1) and lignin consumption (12.5%). Chem. analyses of lignin further confirmed the effect on lignin utilization. Moreover, we demonstrated that a free laccase-A514 cell system exhibited greater effect on lignin utilization than that of a cell-immobilized laccase complex, which challenges the current view of bacterial polymer catabolism, and suggests the importance of secretory pathways and sufficient reaction surface for lignin biocatalysis. Our study advances the knowledge of secretion mechanisms in Gram-neg. bacteria and provides novel insights into the lignin utilization by extracellular lignolytic enzyme-bacterial cell systems. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Synthetic Route of C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Synthetic Route of C9H12O3

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

Impact of ultrasound-assisted extraction and solvent composition on bioactive compounds and in vitro biological activities of thyme and rosemary was written by Munekata, Paulo E. S.;Alcantara, Cristina;Zugcic, Tihana;Abdelkebir, Radhia;Collado, Maria Carmen;Garcia-Perez, Jose V.;Jambrak, Anet Rezek;Gavahian, Mohsen;Barba, Francisco J.;Lorenzo, Jose M.. And the article was included in Food Research International in 2020.HPLC of Formula: 2380-78-1 The following contents are mentioned in the article:

Mediterranean herbs, specially thyme and rosemary, are important ingredients in food preparation and more recently have been studied as natural sources of bioactive compounds This study aimed to study the effect of matrix (thyme vs. rosemary), and extraction protocol (conventional extraction vs. ultrasound assisted extraction) solvent composition (water vs. 50:50 ethanol:water solution) on the extraction of high value compounds (phenolic compounds, flavonoids and carotenoids) and also explore the antioxidant, antimicrobial (Listeria innocua, Staphylococcus aureus, and Salmonella enterica), probiotic (Lactobacillus casei and Bifidobacterium lactis), and anti-inflammatory activities. The phenolic, flavonoid and carotenoid content of extracts was greatly influenced by extraction conditions wherein the ultrasound pre-treatment improved the extraction of carotenoids but induced the opposite effect for polyphenols and flavonoids in both herbs. Only the aqueous extract of thyme obtained from ultrasound pre-treatment was the only extract that inhibited the growth of potentially pathogenic bacteria, stimulated the probiotic bacteria and achieved high anti-inflammatory and antioxidant activity. Moreover, this extract also was rich on phenolic compounds (such as p-coumaric acid 4-O-glucoside, kaempferol 3-O-rutinoside, feruloyl glucose, and 4-vinylguaiacol) and carotenoids. Therefore, ultrasound extraction of bioactive compounds with water as solvent could be explored in food and pharmaceutical applications. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1HPLC of Formula: 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. HPLC of Formula: 2380-78-1

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

Synthesis, DNA/RNA-interaction and biological activity of benzo[k,l]xanthene lignans was written by Tumir, Lidija-Marija;Zonjic, Iva;Zuna, Kristina;Brkanac, Sandra Radic;Jukic, Marijana;Hudjek, Ana;Durgo, Ksenija;Crnolatac, Ivo;Glavas-Obrovac, Ljubica;Cardullo, Nunzio;Pulvirenti, Luana;Muccilli, Vera;Tringali, Corrado;Stojkovic, Marijana Radic. And the article was included in Bioorganic Chemistry in 2020.Application In Synthesis of 4-Hydroxy-3-methoxyphenethanol The following contents are mentioned in the article:

Interactions of two newly synthesized and six previously reported benzoxanthene lignans (BXLs), analogs of rare natural products, with DNA/RNA, G-quadruplex and HSA were evaluated by a set of spectrophotometric methods. Presence/absence of methoxy and hydroxy groups on the BX core and minor modifications at C-1/C-2 side pendants-presence/absence of Ph ring, methoxy and hydroxy groups on Ph ring-influenced the fluorescence changes and the binding strength to double-stranded (ds-) and G-quadruplex structures. In general, compounds without Ph ring showed stronger fluorescence changes upon binding than phenyl-substituted BXLs. On the other hand, BXLs with an unsubstituted Ph ring showed the best stabilization effects of G-quadruplex. CD spectroscopy results suggest mixed binding mode, groove binding and partial intercalation, to ds-DNA/RNA and end-stacking to top or bottom G-tetrads as the main binding modes of BXLs to those targets. All compounds exhibited micromolar binding affinities toward HSA and an increased protein thermal stability. Moderate to strong antiradical scavenging activity was observed for all BXLs with hydroxy groups at C-6, C-9 and C-10 positions of the BX core, except for derivative bearing methoxy groups at these positions. BXLs with unsubstituted or low-substituted Ph ring and one derivative without Ph ring showed strong growth inhibition of Gram-pos. Staphylococcus aureus. All compounds showed moderate to strong tumor cell growth-inhibitory activity and cytotoxicity. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Application In Synthesis of 4-Hydroxy-3-methoxyphenethanol).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Application In Synthesis of 4-Hydroxy-3-methoxyphenethanol

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

Extraction of phenolic compounds from palm oil processing residues and their application as antioxidants was written by Tsouko, Erminda;Alexandri, Maria;Fernandes, Keysson Vieira;Freire, Denise Maria Guimaraes;Mallouchos, Athanasios;Koutinas, Apostolis A.. And the article was included in Food Technology and Biotechnology in 2019.Computed Properties of C9H12O3 The following contents are mentioned in the article:

The side streams derived from the palm oil production process, namely palm kernel cake, palm pressed fiber, palm kernel shells and empty fruit bunches, were evaluated as sources of phenolic compounds Among these streams, kernel cake had the highest total phenolic content (in mg of gallic acid equivalent (GAE) per g of dry sample) with a value of 5.19, whereas the empty fruit bunches had the lowest value (1.79). The extraction time and liquid-to-solid ratio were investigated to optimize the phenolic extraction Kernel cake exhibited the highest total phenolic content (5.35 mg/g) with a liquid-to-solid ratio of 40:1 during 20 min of extraction The main phenolic compounds of the extracts deriving from all byproduct streams were also identified and quantified with HPLC-DAD. Pyrogallol, 4-hydroxybenzoic acid, gallic acid and ferulic acid were the main compounds found in kernel cake extracts Empty fruit bunch and pressed fiber extracts were also rich in 4-hydroxybenzoic acid, while pyrogallol was the predominant compound in kernel shell extracts All extracts showed antioxidant activity as it was indicated from the results of DPPH anal. and subsequently tested in sunflower oil aiming to prolong its shelf life. The addition of 0.8% kernel cake extract increased the induction time of sunflower oil more than 50%. According to the results obtained in this study, kernel cake extracts could be considered as a value-added co-product with a potential application as antioxidants in the food industry. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Computed Properties of C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Computed Properties of C9H12O3

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

Upgrading of Kraft Lignin-Derived Bio-Oil over Hierarchical and Nonhierarchical Ni and/or Zn/HZSM5 Catalysts was written by Agarwal, Ashutosh;Park, Seong-Jae;Park, Jeong-Hun. And the article was included in Industrial & Engineering Chemistry Research in 2019.Recommanded Product: 2380-78-1 The following contents are mentioned in the article:

Synthesized hierarchical and nonhierarchical Ni and/or Zn/HZSM5 catalysts were compared for upgrading Kraft lignin-derived liquefaction bio-oil in a batch reactor at 300° for 1 h under a H₂ atmosphere in supercritical ethanol. The catalysts were characterized by N₂ adsorption-desorption isotherms, field emission SEM, energy dispersive X-ray spectroscopy, XPS, temperature-programmed desorption of ammonia, inductively coupled plasma-optical emission spectroscopy, and X-ray diffraction techniques. Results revealed that incorporation of Ni and Zn did not significantly affect the HZSM5 crystalline structure. The hydrogenated bio-oils were analyzed by means of gas chromatog.-mass spectrometry, and elemental anal. Upon bio-oil upgrading, the amounts of 4-ethylguaiacol and 4-propylguaiacol increased considerably on account of reduction in the amounts of unsubstituted guaiacol, 4-methylguaiacol, 4-propenylguaiacol, and homovanillic acid. The plausible bio-oil upgrading mechanism involved hydrogenation, alkylation, and deoxygenation. Hydrogenation and deoxygenation were prominent over hierarchical and nonhierarchical catalysts, resp. Highest HHV_Boie (∼29.93 MJ/kg) was obtained for both nonhierarchical 15Ni5Zn/HZSM5 and hierarchical 20Zn/HZSM5 catalysts, whereas the former was found to be more stable for bio-oil upgrading. Addnl., the upgraded bio-oils obtained over hierarchical and nonhierarchical catalysts were rich in hydrogen and carbon contents, resp. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Recommanded Product: 2380-78-1).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Recommanded Product: 2380-78-1

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

Production of 4-Ethylphenol from Lignin Depolymerization in a Novel Surfactant-Free Microemulsion Reactor was written by Kong, Juanhua;Li, Lixia;Zeng, Qiang;Long, Jinxing;He, Hongyan;Wang, Yingying;Liu, Sijie;Li, Xuehui. And the article was included in Industrial & Engineering Chemistry Research in 2021.Computed Properties of C9H12O3 The following contents are mentioned in the article:

In order to meet the requirements of sustainable development, the production of aromatic compounds from renewable biomass is of great concern. Herein, a surfactant-free microemulsion (SFME) system composed of n-octane, 2-propanol, and water was explored for the depolymerization of lignin though a hydrogen transfer reaction of 2-propanol with acidic ionic liquids (ILs) as catalysts. Exptl. results show that the phenol monomer yield from bagasse lignin in the SFME system is at least 4 times higher than that in its corresponding water-free binary system, together with a high selectivity for 4-ethylphenol of 67.8%. In particular, the results also reveal that the controllable polarity and large surface area of the SFME and the aggregation of lignin at the SFME surface are key factors in response to the enhanced yields of phenolic monomers through intensive characterizations. Mechanism studies imply that this system tailors mainly the esterified p-coumarate unit in lignin, and 4-ethylphenol is produced by a cascade reaction, involving hydrolysis, decarboxylation, and hydrogenation. Furthermore, this SFME system also exhibits excellent performance for the depolymerization of other herbaceous lignins, yielding 128.1 mg g^-1 phenolic monomers with 59.1% 4-ethylphenol selectivity for corncob lignin. It is thus believed that the process intensification by microemulsion can significantly demonstrate unprecedented potential to accomplish highly efficient lignin conversion. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Computed Properties of C9H12O3).

4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Computed Properties of C9H12O3

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