Tag: 100-200

Structural Relaxation and Viscoelasticity of a Higher Alcohol with Mesoscopic Structure was written by Yamaguchi, Tsuyoshi;Saito, Makina;Yoshida, Koji;Yamaguchi, Toshio;Yoda, Yoshitaka;Seto, Makoto. And the article was included in Journal of Physical Chemistry Letters in 2018.Application of 106-21-8 The following contents are mentioned in the article:

This work studied the slow dynamics of liquids with mesoscopic structure and its relation to shear viscosity. Quasielastic scattering measurements were made on a liquid higher alc., 3,7-dimethyl-1-octanol, using γ-ray time-domain interferometry at a synchrotron radiation facility, SPring-8. The quasielastic scattering spectra were measured to determine the structural relaxation at two wavenumbers of the prepeak and the main peak of the static structure factor. It was found that relaxation at the prepeak is more than 10 times slower than that at the main peak. Compared with the viscoelastic spectrum, which exhibits bimodal relaxation, the relaxations at the prepeak and the main peak were shown to correspond to the slower and faster modes of the viscoelastic relaxation, resp. This indicates that the dynamics of the mesoscopic structure represented as the prepeak contributes to the shear viscosity through the slowest mode of the viscoelastic relaxation. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Application of 106-21-8).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Application of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Continuous recovery of boron from wastewater with a diol was written by Kwon, Taeok;Hirata, Makoto;Sakuma, Shiro;Hano, Tadashi;Yamagishi, Toshio. And the article was included in Solvent Extraction and Ion Exchange in 2005.Application of 115-84-4 The following contents are mentioned in the article:

Boron stripping was carried out with various alk. solutions A KOH solution was selected as the stripping phase for a continuous operation since the crystals obtained by KOH solution showed the highest boron content. A continuous extraction and stripping operation was conducted by using two mixer-settlers involving an organic solvent of 2-butyl-2-ethyl-1,3-propanediol in 2-ethylhexanol. A long-term continuous operation with a dilute boron solution was carried out steadily for >500 h. Over 0.15 m³ of wastewater was successfully treated, and boron was concentrated to 18 kg/m³. A continuous recovery of boron as crystals was successfully performed at a high boron concentration of 0.32 kg/m³. The crystallization of boron took place at its supersaturated concentration of 33 kg/m³ when a 56.1 kg/m³ KOH solution was used as the stripping phase, and the pH of the stripping phase was maintained at 10.5. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Application of 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Application of 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Visible light promoted polyhalomethylation of alkenes: alkylation and cyclization was written by Wang, Tong-Lin;Zhang, Bo-Sheng;Liu, Jing-Jiang;Liu, Xiao-Jun;Wang, Xi-Cun;Quan, Zheng-Jun. And the article was included in Organic Chemistry Frontiers in 2022.Electric Literature of C10H22O The following contents are mentioned in the article:

A visible light promoted carbochloromethylation of 2-bromomethyl acrylates BrCH₂CH(=CH₂)C(O)OR¹ (R¹ = Me, cyclopentyl, (5S)-1,7,7-trimethylbicyclo[3.1.1]heptan-6-yl, etc.), N-arylmethacrylamides R²N(CH₃)C(O)CH(=CH₂)CH₃ (R² = Ph, pyridin-2-yl, 4-chlorophenyl, etc.), and a series of trihalomethyl substituted allylic acid esters R¹C(O)OCH(=CH₂)CH₂R³ (R³ = trichloromethyl, dichloromethyl, 1,1,2,2-tetrachloroethyl, etc.) and indolone derivatives I (R⁴ = Me, Et, Cl, etc.) and 1,3-dimethyl-3-(2,2,2-trichloroethyl)-1,3-dihydro-2H-benzo[g]indol-2-one/pyrrolo[2,3-b]pyridin-2-one were reported. The reaction used common and inexpensive chloroform and tribromomethane as trihalomethyl reagents R³H, iodobenzene diacetate (PIDA) as an oxidant and Eosin Y as a photocatalyst. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Electric Literature of C10H22O).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Electric Literature of C10H22O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Tick-repellent investigations at Bull’s Island, S.C., 1948 was written by Cole, Moses M.;Smith, Carroll N.. And the article was included in Journal of Economic Entomology in 1949.Name: 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

cf. C.A. 44, 1641i; King, C.A. 43, 9349a. Various repellents, applied to regulation U.S. army fatigue uniforms, were tested in areas heavily infested with lone star ticks (Amblyomma americanum). The Bu ester of 3,4-dihydro-2,2-dimethyl-4-oxo-1,2H-pyran-6-carboxylic acid (Indalone) (I), 2-phenoxyethyl isobutyrate, hexyl mandelate, and Et β-phenylhydracrylate were most effective and safe for use on the human skin or on clothing. I was the most consistently effective of these compounds Outstanding in effectiveness alone were 2-[2-(2-ethylhexyloxy)ethoxy]ethanol (II) and N-amyl-α-butoxyacetamide, 2-butyl-2-ethyl-1,3-propanediol, and di-Me cis-bicyclo[2.2.1]-5-heptene-2,3-dicarboxylate (III). Some of these caused some skin irritation. Acetone solutions of I produced better impregnation of garments than I emulsions; the solutions and emulsions of II and III gave about equal impregnation. I and II powders protected uniforms through a single wearing. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Name: 2-Butyl-2-ethylpropane-1,3-diol).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.Name: 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Bitter almond gum reduces body mass index, serum triglyceride, hyperinsulinemia and insulin resistance in overweight subjects with hyperlipidemia was written by Chahibakhsh, Negar;Hosseini, Ebrahim;lslam, Shahidul Md.;Rahbar, Ali Reza. And the article was included in Journal of Functional Foods in 2019.Related Products of 106-21-8 The following contents are mentioned in the article:

The aim of this study was to compare the effects of different gums on glycemic and lipidemic parameters in patients with hyperlipidemia. Sixty patients were divided into four groups of 15 individuals in each group. Group 1 was selected as control. Groups 2, 3, and 4 consumed 300 mL of apple juice enriched with bitter almond, tragacanth and xanthan gum, resp. After 6-wk intervention, the bodyweight, BMI, serum TG, hyperinsulinemia and HOMA-IR were significantly decreased in the subjects consumed bitter almond gum-enriched juice when no significant differences were observed for other parameters. The effect of bitter almond gum was better than tragacanth and xanthan gum in all parameters tested. The findings of this study suggest that some of the identified bioactive compounds in bitter almond gum might be responsible for its effects and it can be a possible food supplements for the better management of overweight, obesity and hyperlipidemia. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Related Products of 106-21-8).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Related Products of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Dynamic mechanical properties of poly(tetramethylene ether) glycol polyurethanes: effect of diol-chain extender structure was written by Duffy, James V.;Lee, Gilbert F.;Lee, John D.;Hartmann, Bruce. And the article was included in ACS Symposium Series in 1990.SDS of cas: 115-84-4 The following contents are mentioned in the article:

The steric effect that pendant groups present in the diol chain extender have on the glass (T_g) and m.p. (T_m) transitions and dynamic mech. properties of some PTMG polyurethanes was studied. A series of poly(tetramethylene ether) glycol/4,4′-diphenylmethane diisocyanate prepolymers were extended with diols that contained either Me, Et, or Bu pendant groups. Differential scanning calorimetry (DSC) was used to determine the T_g and T_m of the soft and hard phases. It was found that diol pendant groups increased the amount of phase mixing in the soft segment while preventing crystallization in both the soft and hard segments. The effect of diol pendant groups on the shear modulus and loss factor of these polyurethanes was determined by a resonance technique. The size of the pendant group had no apparent effect on either T_g, T_m, or the dynamic mech. properties of these polymers. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4SDS of cas: 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. Under carefully controlled conditions, simple alcohols can undergo intermolecular dehydration to give ethers. This reaction is effective only with methanol, ethanol, and other simple primary alcohols.SDS of cas: 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Synthesis of high-performance waterborne polyester was written by Liang, Nai-jie;Xiang, Jin-yang;Xu, Zhen-yang;He, Tao;Zeng, Ding;Xu, Yi-xiang;Yao, Huang;Zhang, Jie;Yu, Lin;Yu, Qian. And the article was included in Reguxing Shuzhi in 2015.HPLC of Formula: 115-84-4 The following contents are mentioned in the article:

The waterborne polyester was synthesized by melt polycondensation of secondary polyol, tertiary alc. and polybasic acid. The waterborne polyester-amino drying paint was prepared Effects of molar ratio of hydroxyl to carboxyl groups, 1, 4-cyclohexanedicarboxylic acid and trimethylolpropane dosages and cosolvent on the properties of water-based resins and coatings were investigated by viscosity and pH testings, gel chromatog. and IR spectroscopy anal. and determination of coating properties. The results showed that the resins and coatings had optimal performance as the conditions as followed: molar ratio of hydroxy to carboxyl 1.1:1, 1, 4-cyclohexane dicarboxylic acid(based on the molar of total acid) dosage of 6%, trimethylolpropane(based on the molar of total alc.) dosage of 12% and glycol monobutyl ether used as cosolvent. The coatings had good water resistance (boiling water, 2 h), storage stability (40°C, 14 d)and solvent resistance. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4HPLC of Formula: 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.HPLC of Formula: 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Effect of mixed sol-gel precursors on inorganic-organic polyurethane hybrid thermosets: DOE study was written by He, Zhouying;Gao, Tongzhai;Duan, Di;Soucek, Mark D.. And the article was included in Progress in Organic Coatings in 2019.HPLC of Formula: 115-84-4 The following contents are mentioned in the article:

A series of organic-inorganic hybrid coatings were formulated using cyclohexane based polyester polyol reacting with hexamethylene diisocyanate isocyanurate (3HDI) as the organic polyurethane phase. The inorganic phase consisted of various sol-gel precursors [Tetraethyl orthosilicate (TEOS), Titanium(IV) isopropoxide (TIP), Zirconium(IV) propoxide (ZRP)]. 3-aminopropyltriethoxysilane (APTES) mono-functionalized HDI (APTES-3HDI) was used as a coupling agent to link the organic phase and inorganic phase. The hetero-bonded silicon-oxygen-metal (Si-O-Metal) colloids resulting from a mixed species of sol-gel precursors within hybrids were formed and confirmed by Solid State NMR. The effect of mixed sol-gel precursors was investigated and optimized using design of experiments (DOEs) for the viscoelastic, mech., and coating properties. The synergistic effect of eliminating the phase separation and enhancing coating properties were observed from small angle X-ray scattering (SAXS) and SEM. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4HPLC of Formula: 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.HPLC of Formula: 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Research on hydrogen production and degradation of corn straw by circular electrolysis with polyoxometalate (POM) catalyst was written by Li, Mengzhu;Wang, Ting;Zhao, Mengyun;Wang, Yifan. And the article was included in International Journal of Hydrogen Energy in 2022.Product Details of 115-84-4 The following contents are mentioned in the article:

Converting corn straw into high-value chems. and H₂ energy is of great significance to the effective utilization of biomass resources. Based on the proton exchange membrane electrolysis technol., a circular electrolysis system for H₂ evolution and corn straw degradation was built using polyoxometalate (POM) catalysts as redox media and charge carriers. Under mild conditions (80 °C), the influence of factors such as reaction temperature, reaction time, catalyst concentration, and c.d. on the research system was explored. As a result, the efficient use of corn straw has been realized. The degradation rate of corn straw was as high as 63.48%, and the Faraday efficiency of H₂ production by electrolysis reaches 94.54%. The degradation products of corn straw were characterized and analyzed by SEM, FT-IR, XPS, GC-MS, and 2D HSQC NMR. This technique provides a potentially new pathway for H₂ production and corn straw processing. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Product Details of 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Product Details of 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

COSMO-RS as an effective tool for predicting the physicochemical properties of fragrance raw materials was written by Dupeux, Tristan;Gaudin, Theophile;Marteau-Roussy, Clementine;Aubry, Jean-Marie;Nardello-Rataj, Veronique. And the article was included in Flavour and Fragrance Journal in 2022.Reference of 106-21-8 The following contents are mentioned in the article:

A predictive tool called COSMO-RS, Conductor-Like Screening Model for Real Solvents, based on quantum chem., dielec. continuum models, electrostatics surface interactions, and statistical thermodn., has been used to predict five key physicochem. properties of raw materials used in perfumery industries. The prediction of b.p. (BP), octanol-water partition coefficient (log P), vapor pressure (VP), water solubility (WS), and Henry′s law constant (HLC) of fragrance mols. has been validated with a reference data set of 166 organic compounds Knowing these properties for a fragrance mol. is essential and being able to predict them precisely can be particularly useful in the development of new mols. or in the replacement of controversial mols. regarding safety issues without compromising the overall hedonic accord. Finally, mapping the vapor pressure vs. the Henry′s law constant and the octanol-water partition coefficient consistently predicts the note class of the mols. useful for release comparison of captives. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Reference of 106-21-8).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Reference of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts