Chemical Properties of Pyrazine, ethyl- (CAS 13925-00-3) Download as PDF file Download as Chat now for more business. Pyrazine, any of a class of organic compounds of the heterocyclic series characterized by a ring structure containing four atoms of carbon and two of nitrogen. See More 2-BUTYL PYRAZINE Properties Chemical Pesticides,Food Additives,Feed Additive,Active Pharm Ingredients,Chemical Materials,Chem&Pharm Intermediates Get reviews, hours, directions, coupons and more for Reagent Chemical And Research Inc. Search for other Chemicals on The Real Yellow Pages. The structure is like benzene, with one methine group replaced by a nitrogen atom. Pyrazine is seldom prepared. Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2. Pyrazine Specialties (404) 524-6744 Add Website Map & Directions 792 Windsor St SW Atlanta, GA 30315 Write a Review. Lookchem Provide Cas 129242-46-2 Basic information: structure,molecular formula,safety information, MSDS, technical documents, related articles, process route, Upstream and downstream products & more at Lookchem. EINECS NO. Chemical warfare agents (Lewisite, Sarin, Soman, Sulfur Mustard, Tabun and VX Nerve Agent) have been tested at 22C and 50% relative humidity per military standard MIL-STD-282. Use this link for bookmarking this species for future reference.
[0003] Histamine, a low molecular weight biogenic amine, is a potent chemical mediator of normal and pathological physiology. Experimental Melting Point: 221-226 C Alfa Aesar H64478: 226 C Biosynth W-206416: 221-226 C Sigma-Aldrich ALDRICH-720321: We also Provide suppliers and manufacturers and reference price for 129242-46-2. Chemical Properties. Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2. Parallel optimization of ADME properties led to the identification of potent and selective inhibitors of PKMYT1. CAS Number. deliquescent crystals or wax-like solid with a pungent, sweet, corn-like, nutty odour Food and Agriculture Organization of the United Nations Pyrazine. We have evaluated and recommended the set of vaporisation and formation enthalpies of pyrazine derivatives at 298.15 K as the reliable benchmark properties for further thermochemical calculations. RSC Advances 2016, 6 (57) , 52009-52025.
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Claim this Business More Types of Chemical Services & Equipment in Atlanta. Pyrazine, hygroscopic white solid, is an aromatic nitrogen compound characterized by a ring structure contains 4 carbon atoms with two nitrogen atoms at 1 and 4 positions (paradiazine); melting at 55 - 56 C, boiling at 115 - 116 C. Pyrazine is freely soluble in water. 118.613.0 C at 760 mmHg.
It has a sour, putrid, and fish-like odour. FIELD OF THE INVENTION. Other names: p-Diazine; Paradiazine; Piazine; 1,4-Diazabenzene; 1,4-Diazine Permanent link for this species.
It is a "deliquescent crystal or wax-like solid with a pungent, sweet, corn-like, nutty odour". Chemical and physical properties of Pyrazine. In aqueous solution, the wavelength The pyrazine ring is part of many polycyclic compounds of biological or industrial significance. 0311. Pyrimidine (/ p r . m d i n, p a r . m d i n /) is an aromatic heterocyclic organic compound similar to pyridine. Enter the email address you signed up with and we'll email you a reset link. Pyrazine is less basic than pyridine, pyridazine and pyrimidine. Its hexahydro derivative, piperazine , was first made in 1888; several of its derivatives find use as chemical raw materials. The simplest member of the pyrazine family is pyrazine itself, a colourless, water-soluble solid with molecular formula C 4 H 4 N 2. ?) Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C 4 H 4 N 2. It is a symmetrical molecule with point group D 2h. Pyrazine is less basic than pyridine, pyridazine and pyrimidine. Density.
Melting point 54 c. Histamine functions as a secreted signal in immune an 2-Methylpyrazine can be used: As a ligand to prepare coordination polymer [Ag (CF 3 CO 2 ) (2-Me-Pyz)], wherein 2-Me-Pyz is 2-methylpyrazine. Skip to content. Pyrazine is a 1,4-diazine and an electron-deficient N-heteroarene found in several natural products, APIs, agrochemicals, and functional materials. Is a weak monobasic base. Pyridine is miscible with water and virtually all organic solvents. Pyrazine.
Pyrazine and a variety of alkylpyrazines are flavor and aroma compounds found in baked and roasted goods. Contact China Manufactory Shaanxi Dideu Medichem Co. Ltd for the product 2-BUTYL PYRAZINE CAS NO 29460-91-1. Pyridine is a heterocyclic compound which is a colourless to yellow liquid with a chemical formula C 5 H 5 N. It is a basic heterocyclic organic compound. Pyrazine Chemical Properties,Uses,Production. Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C 4 H 4 N 2.It is a symmetrical molecule with point group D 2h.Pyrazine is less basic than pyridine, pyridazine and pyrimidine.It is a "deliquescent crystal or wax-like solid with a pungent, sweet, corn-like, nutty odour".. Pyrazine and a variety of alkylpyrazines are flavor and aroma compounds found in Boiling Point. Stability: Stable. MOL WT. pyrazine - Nature. Histamine functions as a secreted signal in immune an Histamine functions as a secreted signal in immune an -Conjugated two-dimensional covalent organic frameworks (2D COFs) are emerging as a novel class of electroactive materials for (opto)electronic and chemiresistive sensing applications. It is weakly basic, and with hydrochloric acid it forms a crystalline hydrochloride salt which melts at 145147 C. In this study initial molecular structures of benzene, pyrazine, pyridazine, pyridine, pyrimidine, cyclopentadiene, furan, pyrrole and thiophene have been optimized at the ground (S 0) and excited (S 1) states using density functional theory (DFT) and time-dependent density functional theory (TD-DFT), respectively.We also evaluate the distribution patterns of HOMOs pyrazine, any of a class of organic compounds of the heterocyclic series characterized by a ring structure containing four atoms of carbon and two of nitrogen. 80.088.
Landrew Properties LLC in Buford, GA | Photos | Reviews | 3 building permits. Pyrazine is seldom prepared. Draw Lewis structures for pyrazine (C4H4N2) showing the two - Wyzant SRD 103b Thermo Data Engine (TDE) for pure compounds, binary mixtures and chemical reactions [0003] Histamine, a low molecular weight biogenic amine, is a potent chemical mediator of normal and pathological physiology. Coordination chemistry of pyrazine derivatives analogues of PZA: design, synthesis, characterization and biological activity. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 1.70 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 328.69 (Adapted Stein & Brown method) Melting Pt (deg C): 120.49 (Mean or Weighted MP) VP(mm Hg,25 deg Histamine functions as a secreted signal in immune an Pyrazine, its derivatives as well as other 1,4-diazines, i.e. Based in Buford, ranks in the top 99% of licensed contractors in Georgia.
Pyrazine, (chloromethyl)-Molecular Formula C 8 H 6 ClN 3; Average mass 179.606 Da; Monoisotopic mass 179.025024 Da; ChemSpider ID 8617707 To prepare 2-cyanopyrazine via ammoxidation reaction using MoVPO catalyst. 1.10.1 g/cm3. Some reports compare the taste of pyrazine to cooked spinach or rancid peanuts: Occurrence The strong electron withdrawing ability of the pyrazine nucleus make possible various nucleophilic substitution reactions in the nucleus. Predicted data is generated using the US Environmental Protection Agencys EPISuite. b]pyrazine: A High Performance Melt-cast Energetic Material and its Polycrystalline Properties Qing Ma,ab Zhipeng Lu,b Longyu Liao,b Jinglun Huang,b Dabin Liu,*a Jinshan Lib and Guijuan Fan*b a School of Chemical Engineering, Nanjing University of Science and Technology, Xiaolinwei 200, Nanjing, China Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C 4 H 4 N 2. It is a symmetrical molecule with point group D 2h. Pyrazine is less basic than pyridine, pyridazine and pyrimidine. It is a "deliquescent crystals or wax-like solid with a pungent, sweet, corn-like, nutty odour". Articles of pyrazine-2,3,5,6-tetracarboxylic acid are included as well. Experimental Physico-chemical Properties. 290-37-9. Chemical and physical properties of Pyrazine, ethyl-.
Get reviews, hours, directions, coupons and more for Reagent Chemical And Research Inc at 2985 Gordy Pkwy, Marietta, GA 30066. Chemical Properties: white crystals or powder: Chemical Properties: Pyrazine has a strong pyridine-like odor. Pyrazine is a heterocyclic aromatic organic compound and can be reacted to obtain diverse pyrazine derivatives. As a ligand in the synthesis of fluorescent silver (I)-saccharinato complex, which exhibits blue luminescence at room temperature. use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes isobutyl methoxypyrazine2 methoxy isobutylpyrazineSupplier SponsorsAdvanced Biotech. Is this your business? Pigment & Dyestuff; Organic Intermediate; Organic chemical; Flavour & Fragrance; [0003] Histamine, a low molecular weight biogenic amine, is a potent chemical mediator of normal and pathological physiology. Protective Coating Applicators; Calcium Chloride; 2,3,5,6-Tetrakis(2'-pyridyl)pyrazine forms an iron(II) complex containing 2 moles of ligand for each mole of iron. Chemsrc provides pyrazine-2,3,5,6-tetracarboxylic acid(CAS#:43193-60-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. white crystals or powder OU Chemical Safety Data (No longer updated) More details. P370 + P378: In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. Jinan Boss Chemical Industry Co.,Ltd +86 531 68657995 +86 13280017993; sales@bosschemical.com; HOME; Products. One of the three diazines (six-membered heterocyclics with two nitrogen atoms in the ring), it has the nitrogen atoms at positions 1 and 3 in the ring. A new family of azaacenes has been designed and synthesized by incorporating the electron-withdrawing sp 2-hybridized nitrogen of pyrazine and electron-donating nitrogen of carbazole in a molecular skeleton.Two different conjugated lengths of 8-ring aza-nonacene and 10-ring aza-undecene have been achieved by an efficient condensation reaction. In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products: SRD 103a Thermo Data Engine (TDE) for pure compounds.
colorless crystals. The chemical composition of minerals of the pyroxene group can be expressed by the general formula XYZ 2 O 6, in which X= Na +, Ca 2+, Mn 2+, Fe 2+, Mg 2+, Li +; Y= Mn 2+, Fe 2+, Mg 2+, Fe 3+, Al 3+, Cr 3+, Ti 4+; and Z= Si 4+, Al 3+. Most chemical properties of pyridine are typical of a heteroaromatic compound.
It is a symmetrical molecule with point group D2h. Signal Word: Danger: Storage class: 4.1B Flammable solid hazardous materials: WGK: WGK 3 highly hazardous to water:
Customize this page. Pyrazine has two nitrogen atoms at the 1,4-positions to replace carbon atoms of the benzene ring, and it is anticipated to have many functionalities and reactivities in comparison to the benzene analogues. It is a symmetrical molecule with point group D2h.
Application Pyrazine can be used:
Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Molecular Weight.
Pyrazine is less basic than pyridine, pyridazine and pyrimidine. Pyrazine, (chlorome thyl)-More Validated by Experts, Validated by Users, Non-Validated, Removed by Users. Pyrazine forms monoquaternary salts19,20 with alkyl halides which are Here, we report a detailed characterization for the
In this work, Sn and Ag doped PbS/PVA nanocomposites, in three different concentrations were successfully prepared using the low-cost and simple method of chemical bath deposition (CBD).
However, understanding the intricate interplay between chemistry, structure, and conductivity in -conjugated 2D COFs remains elusive. Pyrazine for synthesis. The simplest member of the pyrazine family is pyrazine itself, a colourless, water-soluble solid with molecular formula The present invention is related to compounds having P2X7 modulating properties, pharmaceutical compositions Oxidation with hydrogen peroxide in acetic acid yields the N-oxide. Pyrazine is a heterocyclic aromatic organic compound and can be reacted to obtain diverse pyrazine derivatives. Highly flammable.
compounds with partial pyrazine structure (e.g. Pyrazine is a tertiary amine, and is a weaker base than pyridine.17 In general, pyrazine behaves as monoacidic bases18 and form diacidic salts under anhydrous conditions.
quinoxaline, phenazine, pteridine, flavin and their derivatives), demonstrate unique physico-chemical properties that are caused by a low lying unoccupied -molecular orbital and by the ability to act as a bridging ligand. CAS 290-37-9, molar mass 80.08 g/mol.
Pyrazine nucleic acid (PzNA) which has a backbone structurally similar to glycerol nucleic acid (GNA), contain pyrazine derived nucleosides as informational elements that may exhibit base pairing properties similar to the pyrimidines present in RNA.
See More DIMETHYLPYRAZINE-2,6-DICARBOXYLATE Properties Organic Intermediates,Chemical Catalyst,Flavors and Fragrances,Agrochemicals,Chemical Pesticides,Food Additives Gas phase molar enthalpies of formation of pyrazine derivatives calculated by the high-level quantum-chemical method G4 were in agreement with the Pyrazines are important contributors to the flavor of various roasted, toasted, or similarly heated foods.
- Find MSDS or SDS, a COA, data sheets and more information. influence on both the basicity and the aromatic properties of the pyrazines. Density 1.
Boiling point 115~116 deg C. Soluble in water and ether, and water can form a constant boiling mixture. Pyrazine. 55 C (131 F; 328 K) c.c. Except where otherwise noted, data are given for materials in their standard state (at 25 C [77 F], 100 kPa). Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C 4 H 4 N 2 . Pyrazine is a symmetrical molecule with point group D 2h. Description.
Chemical Properties of Pyrazine (CAS 290-37-9) Download as PDF file Download as Excel file Download as 2D mole file Predict properties
[0003] Histamine, a low molecular weight biogenic amine, is a potent chemical mediator of normal and pathological physiology. It is also known as Azine or Pyridine.
Contact China Manufactory Shaanxi Dideu Medichem Co. Ltd for the product DIMETHYL PYRAZINE-2,6-DICARBOXYLATE.