Category: 1731-94-8

Exploratory analysis of biodiesel by combining comprehensive two-dimensional gas chromatography and multiway principal component analysis was written by Mogollon, Noroska G. S.;Ribeiro, Fabiana A. L.;Poppi, Ronei J.;Quintana, Araceli L.;Chavez, Juan A. G.;Agualongo, Darwin A. P.;Aleme, Helga G.;Augusto, Fabio. And the article was included in Journal of the Brazilian Chemical Society in 2017.Safety of Methyl nonadecanoate The following contents are mentioned in the article:

Comprehensive two-dimensional gas chromatog. (GC×GC) was used in this work in order to reveal and identify minor compounds of several raw materials in biodiesel samples, which are not detected by conventional GC anal. Multiway principal component anal. (MPCA) of the chromatog. profile allowed to identify compounds as C15:1n-3, C18:2n-6, C20:1n-6, C20:3n-3, C20:3n-6, C20:4n-6 C20:5n-3, C21:1n-6, C22:1n-9, C23:1n-9, C24:1n-9 multiunsatd. which were useful tracers to discriminate between biodiesel samples. In this way, the separation power of GC×GC combined with the MPCA algorithm proved to be a valuable strategy for biodiesel samples classification, allowing identification and providing addnl. compounds of the commonly known as chem. profile of biodiesel samples. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Safety of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. 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.Safety of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Analysis on fatty acid composition of Tamarix chinensis fruit was written by Mahemuti, Maimaitiming;Lu, Shun-zhong;Miliban, Huojia;Maerhaba, Wusiman. And the article was included in Huaxue Yanjiu Yu Yingyong in 2014.Safety of Methyl nonadecanoate The following contents are mentioned in the article:

The aim is to study the chem. composition of fatty acid in Tamarix chinensis fruit. With petroleum ether and di-Et ether as solvent for extraction of fatty acids in Tamarix chinensis fruit, after Me esterification, GC-MS technique was used to detect the composition and content of fatty acids. Two methods identified 18 and 17 kinds of fatty acid components, accounting for 99.33% and 89.65% of total peak area, their basic components were identical, but there were some differences in content. In the petroleum ether and di-Et ether extract, there were palmitic acid(35.61% and 32.77%), linoleic acid(27.26% and 18.76%) and oleic acid(11.33% and 9.15%), and unsaturated fatty acid accounted resp. for 38.65% and 27.94%. Tamarix chinensis fruit was rich in unsaturated fatty acids, with good development value. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Safety of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Safety of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Process optimization of rice bran oil by ultrasonic combined extrusion was written by Yu, Jinping;Li, Demin;Xiao, Zhigang;Ma, Tao;Wang, Peng;Wang, Na. And the article was included in Zhongguo Shipin Xuebao in 2016.Reference of 1731-94-8 The following contents are mentioned in the article:

The impact of ultrasonic solid-liquid ratio, ultrasonic power, ultrasonic time, ultrasonic temperature on the extraction efficiency of rice bran oil was researched. Based on rice bran as raw material, extrusion ultrasonic detection was utilized to extract rice bran oil. And the rice bran oil extraction rate, the fatty acid composition and oil quality were compared by organic solvent extraction method and extrusion processing organic solvent extraction method. The results showed that the optimum ultrasonic extraction conditions were material liquid ratio 1:5, power 280 W, time for 20 min and temperature at 50°C. The rice bran oil extraction rate was 96.28% under this condition with the advantages of high extraction efficiency and short extraction time compared with the other two methods. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Reference of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. 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. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Reference of 1731-94-8

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Optimization of subcritical fluid extraction of oil from tree peony (Paeonia suffruticosa Andr.) seeds was written by Yao, Mao-jun;Li, Jing. And the article was included in Shipin Kexue (Beijing, China) in 2014.Application In Synthesis of Methyl nonadecanoate The following contents are mentioned in the article:

An orthogonal array design was employed to optimize the subcritical fluid extraction of seed oil from tree peony (Paeonia suffruticosa Andr.). The fatty acid composition and physicochem. properties of the seed oil were analyzed. The results showed that the optimum extraction conditions were determined to be extraction at 50°C and 0.5 MPa performed three times for 30 min each, resulting in an oil yield of 24.16%. Twelve fatty acids were identified in the extracted seed oil and the major fatty acids were linolenic acid (45.4122%), linoleic acid (38.1199%), palmitic acid (11.1246%) and stearic acid (3.6489%). The physicochem. indexes were as follows: relative d. 0.9013, index of refraction 1.4742, acid value 3.25 mg/g, iodine value 175 g/100 g, saponification value 176 mg/g, and peroxide value 1.48 meq/kg. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Application In Synthesis of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. 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.Application In Synthesis of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Low-cost and High-efficient Extraction of Lipids from Chlorella by using Industrial Ionic Liquids was written by Lu, Haitao;Yu, Xinhai;Tu, Shan-Tung. And the article was included in Energy Procedia in 2017.COA of Formula: C20H40O2 The following contents are mentioned in the article:

Algae-sourced feedstocks remain confined to commercialization because of the high cost and energy consumption of biomass cultivation and feedstock extraction In this study, to reduce the cost required for algae extraction, experiments with Chlorella vulgais extraction by ionic liquids (ILs) synthesized using industrial raw materials. The total fabrication cost of the synthesized [BMIM]Cl was 1.63% of the price of com. reagent ILs. The average of the lipids yield was 75.4%, which is lower than that of 85.4% using com. reagent grade [BMIM]Cl. The initial cost of the synthesized [BMIM]Cl for the extraction was 1.85% that of com. reagent grade one. The IL loss due to [BMIM]Cl purification using alumina column chromatog. was 88.6%. The impurities contained in the synthesized [BMIM]Cl was gradually removed with the recirculation of [BMIM]Cl. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8COA of Formula: C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. 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. 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.COA of Formula: C20H40O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Estimation of Vapor Pressures and Enthalpies of Vaporization of Biodiesel-Related Fatty Acid Alkyl Esters. Part 2. New Parameters for Classic Vapor Pressure Correlations was written by Evangelista, Nathan S.;do Carmo, Frederico R.;de Sant’Ana, Hosiberto B.. And the article was included in Industrial & Engineering Chemistry Research in 2017.Safety of Methyl nonadecanoate The following contents are mentioned in the article:

In Part I of this series of articles, predictive models capable of estimating vapor pressures and enthalpies of vaporization of biodiesel-related esters were reviewed. In this study, we propose component-specific parameters for classic vapor pressure correlations. First, the previously collected database was evaluated and used in the regression of Antoine coefficients for all compounds Then, a constrained regression methodol. was employed to generate extrapolatable Wagner parameters for the esters whose exptl. critical properties were available. Finally, expressions derived from the Clausius-Clapeyron equation were investigated for the estimation of enthalpies of vaporization. A comparative anal. of the results produced by our parameters and by others available in the literature encourages the use of our values in future applications. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Safety of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. 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.Safety of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Biodiesel production from waste palm oil catalyzed by hierarchical ZSM-5 supported calcium oxide was written by Zein, Yusuf Muhammad;Anal, Anil Kumar;Prasetyoko, Didik;Qoniah, Imroatul. And the article was included in Indonesian Journal of Chemistry in 2016.Synthetic Route of C20H40O2 The following contents are mentioned in the article:

Biodiesel production from waste palm oil catalyzed by hierarchical ZSM-5 supported calcium oxide was studied. The activity of CaO increased after supported on h-ZSM-5 resulting an increase in conversion from 93.17% to 95.40%. A maximum conversion of 95.40% was achieved at 6 h reaction time, 3 weight% catalyst amount, 12:1 methanol to oil molar ratio and 65 °C reaction temperature The waste palm oil showed a high potential as a feedstock in biodiesel production in which there was no significant different in the conversion of fresh and waste palm oil. The properties of the obtained biodiesel required the limits of biodiesel specification according to ASTM D6751-08 and EN 14214 with the Me ester content of 97.18%, the acid value of 0.24 mg KOH/g, the kinematic viscosity of 4.64 cSt and the d. of 869.9 kg/m³. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Synthetic Route of C20H40O2).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Synthetic Route of C20H40O2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Chemical constituents and radical scavenging activity of Cuscuta pedicellata seed extracts was written by Abdallah, Walid E.;Elsayed, Wael M.;Abdelshafeek, Khaled A.. And the article was included in International Journal of ChemTech Research in 2016.Application In Synthesis of Methyl nonadecanoate The following contents are mentioned in the article:

The seeds oil of Cuscuta pedicellata was extracted with pet. ether in a Soxhlet for two days and it’s constituents were identified using GC/MS anal. It was found that, the lipid constituents of pet. ether was found as oily residue which saponified to afford the unsaponifiable materials (saturated hydrocarbons, sterols and triterpenes) and 15 fatty acids which were identified by GC/MS analyses. The flavonoids were isolated from the Et acetate fraction and identified as: : Genkwanin, Astragalin, kaempferol and quercetin. The antioxidant activity of different extracts (pet. ether, unsap., fatty acids, 70% methanol, chloroform and Et acetate) were evaluated.Antioxidant properties were determined using the 2,2-diphenyl-1-picryl-hydrazyl (DPPH) free radical. It was observed that methanol extract exhibited highest DPPH activity followed by Et acetate extract This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Application In Synthesis of Methyl nonadecanoate).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. 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. 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.Application In Synthesis of Methyl nonadecanoate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Chemical constituents from the rhizomes of ligularia vellerea was written by Zhao, Yuan;Yang, Ru;Wang, Cai-fang;Zhao, Yu;Zhang, Zhen-zhong. And the article was included in Tianran Chanwu Yanjiu Yu Kaifa in 2014.Product Details of 1731-94-8 The following contents are mentioned in the article:

18 Compounds were isolated and purified from the rhizomes of Ligularia vellerea. Their structures were determined on the basis of physiochem. properties and spectroscopy anal. as furanoeremophilan-14β, 6α-olide (1), β-sitosterol (2), tiglic acid (3), palmitic acid (4), nonadecanoic acid Me ester (5), eremophil-7 (11)-en-12, 8α (14β, 6α)-diolide (6), 8β-methoxy-eremophil-7 (11)-en-12, 8α (14β, 6α)-diolide (7), 1-O-palmitoylglycerol (8), 8β-hydroxy-eremophil-7 (11)-en-12, 8α (14β, 6α)-diolide (9), p-hydroxycinnamic acid Me ester (10), phydroxyacetophenone (11), umbelliferone (12), 3, 4-dihydroxyacetophenone (13), daucosterol (14), 1, 5-dicaffeoylquinic acid (15), p-hydroxycinnamic acid (16), caffeic acid (17), and aesculetin (6, 7-dihydroxycoumarin) (18). Compounds 4-5, 8, 10, 13, 15 and 17, 18 were firstly obtained from Ligularia vellerea. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Product Details of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. 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.Product Details of 1731-94-8

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Gas chromatography-mass spectrometry analysis of fatty acids in tilapia offal oil with different extraction methods was written by Sun, Li-xia;Yang, Hong;Zhang, Li-fang;Zhou, Li-qin;Liao, Dan-kui;Sun, Jian-hua. And the article was included in Shipin Keji in 2015.Product Details of 1731-94-8 The following contents are mentioned in the article:

Soxhlet, ultrasonic and pulsed elec. field extraction methods were adopted to extract oil from abandoned tilapia offal. Fatty acids composition and relative content in the fish oil with different extraction methods were analyzed by gas chromatog.-mass spectrometry (GC-MS) method. Compare three different methods with extraction ratio, kinds of fatty acids and relative content in tilapia offal oil. The results showed there was so little difference in the extraction ratio of fish oil by the above three methods. Kinds and relative content of fatty acids by pulsed elec. field extraction were higher than SE and UE methods. The oil extracted by PEFE method has the characteristics of high relative content of monounsaturated fatty acids and low ratio of n-6 to n-3 series fatty acids. Research provides the reference for the high-value utilization of tilapia offal oil. This study involved multiple reactions and reactants, such as Methyl nonadecanoate (cas: 1731-94-8Product Details of 1731-94-8).

Methyl nonadecanoate (cas: 1731-94-8) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. 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.Product Details of 1731-94-8

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics