P xylene structure. html>px

Jan 1, 1979 · The molecular structure of p-xylene in the gas phase has been determined by electron diffraction analysis. Aug 31, 2005 · The mononitration of p-xylene can be easily carried out at 30°C. IIC. Wang, Liu, et al. Description. Giddiness, confusion, clumsiness, slurred speech, loss of balance, ringing in the ears. 2,4,6-trinitrotoluene. Xylene’s structure consists of two methyl groups attached to a six-carbon ring. Solubilities are in water and are reported as grams solvent/100 grams water. Chem The 3d structure may be viewed using Java or Javascript. Additionally, the limit of detection (LOD) of the sensor obtained experimentally is lower than 100 ppb, and the theoretical detection limit is 57 ppb. The individual isomers are also available commercially. kJ/mol: PHPMS: Wojtyniak and Stone, 1986: gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)C6H6, Entropy change calculated or estimated; M Jun 8, 2018 · Xylene. Synonyms: 1,4-Dimethylbenzene. Suggest a reasonable structure for this substance. Campbell, Shawn O. 3 Xylenes are normally produced as a mixed stream that contains o-xylene, m-xylene, p-xylene, and ethylbenzene. Create: 2005-03-26. 2. Farrell. Least-squares refinement of a model with D 2h symmetry for the benzene ring, and with allowance for possible shrinkage effects in the longest C⋯C distances, has led to the accurate measurement of the small changes in the ring geometry caused by the methyl substituents. and have a sweet odor. The m- stands for meta-, indicating that the two methyl groups in m -xylene occupy positions 1 and 3 on a benzene ring. Effect of xylene on the central nervous system is attributed to the liposolubility of xylene in the neuronal membrane. Ans: Hint:As we are aware that the p- stands for para-, P-xylene is a xylene with methyl groups occupying the diametrically opposite substituent posit The molecular structure and naming of aromatic compounds Interpreting the H-1 NMR spectrum of 1,4-dimethylbenzene From the H-1 NMR spectrum, the hydrogen atoms (protons) of 1,4-dimethylbenzene occupy 2 different chemical environments so that the low/high resolution NMR spectra should show 2 peaks of different H-1 NMR chemical shifts (diagram 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. The xylenes from coal-tar consists of 45-70% m-xylene, 23% p-xylene, 10-15% o-xylene and 6-10% ethylbenzene. Feb 21, 2003 · Under the Draft Revised Guidelines for Carcinogen Risk Assessment (U. It 800–10,000 ppm. Myers, Webmaster of ACS Division of Organic Division (DOC) from: Professor Murov's Organic solvent table. Phys. MSDS Name: p-Xylene, 99% Catalog Numbers: AC158770000, AC158770010, AC158770025, AC158775000 Synonyms: 1,4-Dimethylbenzene. Xylene. SDS. However, with increasing T-O-S p-xylene conversion decreases after 180 min to about 50%. Jan 4, 2024 · Chemsrc provides 2-Amino-p-xylene(CAS#:95-78-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 5: Pérez-Parajón, Santiuste, et al. IV. Here’s how to approach this question. Find step-by-step Biology solutions and your answer to the following textbook question: Draw a structural formula for given compound. We report here a selective synthesis of para -xylene For ethane + p-xylene, a BIP estimated using a group contribution method systematically over-predicted the measured melting temperatures by as much as 14. It is one of the three isomers of dimethylbenzene known collectively as xylenes. ty. Constituent 3. Images of the chemical structure of P-XYLENE are given below: p-xylene is the production of dimethyl terephthalate. 2). Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this Jul 25, 2018 · Abstract. This type of framework-breathing and guest-induced Suggest a reasonable structure for this substance. Brian J. 5. The review discusses the main procedures for producing terephthalic acid from p -xylene (primarily the Amoco process with the participation of Co, Mn, and Br salts), the oxidation mechanisms, alternative processes, and perspectives. 562E+005 hours (3. Nitro-p-xylene is easily nitrated to dinitro-p-xylene at a temperature of 80°C. Computed by PubChem 2. Explain why the C= C bonds in the xylene do not undergo DielAlder reaction with anthracene. 3247, 1988 DOI: 10. Uses. (6)Physical Propertiesm-, o-, and p-Xylene are the three isomers of xylene; commercial or mixed xylene usually contains about 40-65% m-xylene and up to 20% each of o- and. 3) In p-xylene, since double bonds are involved in resonance, If it undergoes a Diels -Alder reactio 3. p-. ChemSpider ID 5254004. Xylene is commonly known as dimethylbenzene and is widely used in the petrochemical industry as industrial solvents. 11. View Products on Sigmaaldrich. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this The 3d structure may be viewed using Java or Javascript. ). 916 solutions. There are three forms of xylene in which the methyl groups vary on the benzene ring: meta-xylene, ortho-xylene, and para-xylene (m-, o-, and p-xylene). The structural properties of non-cured and cured samples were assessed by X-ray diffraction, Raman and Fourier transform infrared spectroscopy. Drawings of the three different isomers are shown in Chapter 4. Q5) 2. 1 / 4. They are useful as solvents, as additives to improve the octane rating of aviation fuels, and as raw materials in the manufacture of fibers, films, dyes, and other synthetic products. p-Xylene. 8. 2 Some aromatic hydrocarbons found in coal tar. No, a substance that is fragrant does not imply a benzene ring is in its structure. It consists of eight carbon atoms and ten hydrogen atoms, with the chemical formula C8H10. Single crystals of 2,3-dinitro-p-xylene and 2,3,5-trinitro-p-xylene were grown using the slow cooling method and we report the X-ray structure of the The adsorption of benzene (B), toluene (T), and p-xylene (X) at ambient temperature in carbon slit pores was studied using the grand canonical Monte Carlo simulation. Yellow = Hydrogen. ylene and ethylbenzene. Q8) 2,4,6-trinitrotoluene. 9 GPa. 9. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this Jan 1, 2024 · @article{Du2024TheES, title={The electronic structure regulation improving xylene gas sensing properties in p-type Zn-doped $\alpha$-Fe2O3 nanoparticles}, author={Mengying Du and Lifang Zhang and Rui Jiang and Chenlu Hu and Yanxu Feng and Shuangming Wang and Jing Cao}, journal={Colloids and Surfaces A: Physicochemical and Engineering Aspects Xylene is marketed principally as a mixture of ortho, meta and para isomers, generally referred to as ‘mixed xylenes’. The comparison of p-xylene conversions and selectivities to 2,5-dimethyl cumene is given in Fig. p -Xylene was first isolated from a wood distillate in 1850; today it is a widely produced petrochemical. Most mixed xylenes contain ethylbenzene, except for a small volume produced by toluene disproportionation (Ransley, 1984). 25 μm The 3d structure may be viewed using Java or Javascript. Other synonyms for xylene are dimethyl benzene, methyl toluene, xylol and mixed xylenes. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this Nov 13, 2014 · The crystal structure of CL-20p-xylene solvate belonged to the Pbca space group with the unit cell parameters, a = 8. EMSURE® provides worldwide best and most extensive product specifications. 25 mm/0. 4095(20) Å, c = 33. 1980b, 1981); no The 3d structure may be viewed using Java or Javascript. The term "xylene" refers to any of three benzene derivative isomers that share the same chemical formula, C 6 H 4 (CH 3) 2, but differ in their molecular structure. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this Jul 26, 2022 · 3. Its response value to 1 ppm p -xylene gas is as high as 340 Hz. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this POLYMERIZATION products from p-xylene have been shown to contain, inter alia, a hitherto undescribed hydrocarbon, the novel structure of which has been determined solely by X-ray diffraction to be Other names: p-Xylene, α,α'-dichloro-; α,α'-Dichloro-p-xylene; p-Bis(chloromethyl)benzene; p-Xylene-α,α'-dichloride; p-Xylylene chloride; p-Xylylene dichloride; Benzene, p-bis(chloromethyl)-; Dichlorodi-p-xylylene; 1,4-Bis(chloromethyl)benzene; p-Dichloroxylylene; alpha,alpha'-Dichloro-p-xylene; NSC 36976 Permanent link for this species Step 1. C=C bonds in para Xylenen are delocalized over the benzen …. Characteristic crystalline bands were identified by analyzing the Raman and IR spectra at 0. 1. This product is structurally analogous to Fe(CO) 3 [η 4-1,3-butadiene]. α,α′-Dichloro-p-xylene was used in a study to investigate the effect of CVD monomer selection and reaction conditions on the resulting PPV polymer Here’s how to approach this question. Adequate human data on the carcinogenicity of xylenes are not available, and the available animal data are inconclusive as to the ability of xylenes to cause a carcinogenic response. 56 (estimated) Volatilization from Water: Henry LC: 8. Q9) p-chloronitrobenzene The 3d structure may be viewed using Java or Javascript. Tuning the ethane + p-xylene BIP to May 24, 2023 · The 3 Isomers of Xylene: o-Xylene, m-Xylene, and p-Xylene. The carbon makes a benzene ring and the protruding CH3 forms a tetrahedron. m/0. Data, V ol. See camphor example (figure 1) Q4) No reaction, benzene requires a special catalyst to be hydrogenated due to its unusual stability given by its three conjugated pi bonds. There are 8 non-H bond (s), 6 multiple bond (s), 6 aromatic bond (s), and 1 six-membered ring (s). The values were obtained from the CRC (87th edition), or Vogel's Practical Organic Chemistry (5th ed. 8th Edition • ISBN: 9781305176621 Mary K. 1 GPa with a monoclinic structure. Xylene is a group of aromatic hydrocarbon s that are benzene derivatives. Download scientific diagram | Structure of p-Xylene from publication: Computing Fujita's Unite Subduced Cycle Index Table for the Non-rigid Group p-Xylene | Using non-rigid group theory, it was Dec 26, 2023 · p-xylene is an aromatic hydrocarbon based on benzene with two methyl substituents with the chemical formula C8H10 or C6H4 (CH3)2. 7. 567E Which of the given structures corresponds to p-xylene?\n \n \n \n \n A. white to light yellow crystal powde. 2nd Edition • ISBN: 9781429283601 Jeremy M Berg, John L Tymoczko, Lubert Stryer. There are 2 steps to solve this one. p -Xylene developments in the past 10 years include a Nov 29, 2018 · The chemical formula for xylene is C 8 H 10, or more specifically (C 6 H 4)(CH 3) 2. 3. H226: Flammable liquid and vapour. m-Xylene ( meta-xylene) is an aromatic hydrocarbon. Then, the polymer was cured at 150°C using zinc oxide, stearic acid and N-cyclohexyl-2-benzothiazole sulfenamide. Oct 27, 2009 · p -Xylene. For example, reaction of α,α'-dibromo-o-xylene with iron carbonyls affords low yields of the xylylene complex Fe(CO) 3 [η 4-C 6 H 4 (CH 2) 2]. At high temperatures, benzocyclobutenes undergo electrocyclic ring-opening to form o-xylylenes. This structural arrangement imparts symmetrical properties to p-xylene, making it one of the isomers of dimethylbenzene. Q7) p-Xylene. IB. May 26, 2023 · By coating the mesoporous-structure MOF-14 on the surface of a quartz crystal microbalance (QCM), the fabricated gravimetric sensor exhibits high sensitivity to p -toluene vapor even at trace levels. The O-XYLENE molecule contains a total of 18 bond (s). 3 and the refined structural parameters given in Table 1, Table 2. CAS Number Search . , 2004: 60. -Xylene. Draw the structure of p -xylene. View the full answer. >10,000 ppm. 17): Log BCF from regression-based method = 0. Explain why 2,3-dinitro-1,3-butadiene does not undergo Diel-Alder reaction. Isotopologues: 1,2-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,2-dimethyl-; o-Dimethylbenzene; o-Methyltoluene; o-Xylol; 1,2-Dimethylbenzene; 1,2-Xylene; 3,4-Xylene; ortho-Xylene; NSC 60920; 2-Methyltoluene; UN 1307; 1,2-dimethyl-benzene ( o-xylene) Permanent link for this species s t. Key. CAS #: 106-42-3 EC Number: 203-396-5 Molar Mass: 106. Other names: α,α'-Diamino-p-xylene; 1,4-Benzenedimethanamine; Methylamine, p-phenylenebis-; 1,4-Bis-aminomethylbenzen; 1,4-Bis(aminomethyl)benzene; p-Phenylenebis(methylamine); p-Xylylendiamine; 4 Dec 1, 2018 · We focused on how the structure of the adsorbed B, T, and X molecules is influenced by pore size, in particular the effects of the methyl groups in the cases of toluene and p-xylene. We focused on how the structure of the adsorbed B, T, and X molecules is influenced by pore size, in particular the effects of the methyl groups in the cases of toluene and p-xylene. 4 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. 1935, 1985 : Physical Properties Oct 14, 2021 · 1,2-Xylene; 1,3-xylene; 1,4-xylene | C24H30 | CID 6850715 - structure, chemical names, physical and chemical properties, classification, patents, literature Aug 9, 2020 · 27. If swallowed and then coughed up and inhaled into the lungs, paraxylene can Apr 27, 2020 · Not only halogenated p-xylene moieties are suitable for the PPX synthesis, readily available p-xylene diesters were also used successfully. 162) log Kow used: 0. 808691. Company Identification: Acros Organics N. ate. 4. 10. Reference substance name: m-xylene Aug 31, 2022 · Abstract In this study, a polysulfide polymer was synthesized using α,α′-dichloro-p-xylene and aqueous sodium trisulfide. , 2005: 30. Sleepiness, loss of consciousness, death. com. The packing density of the compounds in the p-Xylene MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this Jul 13, 2017 · P-xylene crystallized at ∼ 0. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this There are some differences in the composition of commercial xylenes produced from petroleum and from coal-tar. 848. 2 (PubChem release 2021. LOTUS - the natural products occurrence database. 10. Inhalation of o-or p-xylene at concentrations similar to those at which mixed xylene caused fetal toxicity, produced decreased fetal weight, skeletal retardation, and post-implantation loss in rats, mice, and rabbits following maternal acute exposure during gestation days 7–14/15 (Ungvary and Tatrai 1985; Ungvary et al. A single organic product was isolated after Birch reduction of p-xylene. Expert-verified. Aug 30, 2012 · The synthesis relies on the conversion of hexene (from trimerization of ethylene) to 2,4-hexadiene followed by a Diels–Alder reaction with ethylene to form 3,6-dimethylcyclohexene. 1021/jo00249a020 Tetrahedron Letters, 26, p. 77E-009 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 7. Xylene (from Greek v xylon, “wood”), xylol, or dimethylbenzene is any of three dimethylbenzene isomers, or a mixture of them. 2, Fig. Bioaccumulation Estimates from Log Kow (BCFWIN v2. Mixed xylenes are common industrial solvents, but the para isomer is the starting material for terephthalic acid, one of the monomers used in polyester production. 41, No. The results show that mesoporous-structure MOF-14 shows the best sensing performance for p -xylene vapor detection. Molecular Formula CH. The three isomers, designated ortho ( o ), meta ( m ), and p-Xylene: Overview: EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. This monoene is readily dehydrogenated to para -xylene uncontaminated by the ortho and meta isomers. 17 g/mol Chemical Formula: C₆H₄ (CH₃)₂ Hill Formula: C₈H₁₀. 1169. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this 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 . Jul 21, 2014 · Notably, no dynamic structure based MOF compound is known in the literature which shows clear preference of p-xylene over other isomers. EPA, 1999), data are inadequate for an assessment of the carcinogenic potential of xylenes. S. 2, 2012. Commercial-grade (mixed) xylene typically is composed of approximately 20% ortho-xylene, 40% Column type Active phase Temperature (C) I Reference Comment; Capillary: HP-1: 0. Mar 20, 2016 · Ethylbenzene (EB) and p-xylene (PX) are important chemicals for the production of industrial materials; accordingly, their efficient separation is desired, even though the difference in their boiling points is very small. 0817(49) Å, and Z = 4, which indicated that the p-xylene solvent molecules could enter the crystal lattice of CL-20 and thus the CL-20 p-xylene solvate is formed. b, d. CoA. J. The formed pyrolysis oil contained a bunch of side products such as 4-ethylstyrene, 4 Column type Active phase Temperature (C) I Reference Comment; Capillary: ZB-Wax: 100. 14) Dates. 495 Da. H312 + H332: Harmful in contact with skin or if inhaled. The term total xylenes refers to all three isomers of xylene (m-, o-, and p Apr 29, 2024 · Synthesis Reference(s): The Journal of Organic Chemistry, 53, p. Open in a separate window. Bond Structure and Polarity of P-Xylene. Figure 15. Exposure to high levels of paraxylene vapors can lead to drowsiness and dizziness, and contact exposure to the skin and eyes may result in dry skin, redness and irritation. ethylbenzene. p-xylene EC Number: 203-396-5 EC Name: p-xylene CAS Number: 106-42-3 Molecular formula: C8H10 IUPAC Name: p-xylene. The P-XYLENE molecule contains a total of 18 bond (s). Ref. Two hydrogen atoms in the benzene ring are substituted by two methyl groups in each of the three compounds with the formula (CH3)2C6H4. d f. Q3) No, a substance that is fragrant does not imply a benzene ring is in its structure. Other names: m-Xylene; m-Dimethylbenzene; m-Xylol; 1,3-Dimethylbenzene; 1,3-Xylene; 2,4-Xylene; m-Methyltoluene; meta-Xylene; NSC 61769; UN 1307; 1,3-dimethylbenzene (m-xylene) Fractional distillation of coal tar yields benzene, toluene, xylene (dimethylbenzene), naphthalene, and a host of other aromatic compounds (Figure 15. Chem. There are three main isomers of xylene, called ortho-xylene, meta-xylene and paraxylene. 6 K. Chem 2,5-Diisopropyl-p-xylene | C14H22 | CID 25211 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological Jun 13, 2000 · The structure of p-xylene was similarly refined using the 180 K X-ray single crystal structure of van Konigsveld et al. (2H10)-p-Xylene | C8H10 | CID 566957 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety Quantity Value Units Method Reference Comment; Δ r H°: 118. p-Xylene for synthesis. At the same time, the detection limit of the sensor can reach 58 ppb, along with a short response–recovery time (8 and 10 s). 0704(12) Å, b=13. 25 μm: Capillary: HP-1: 10. H315: Causes skin irritation. The alkylation was carried out at 200 °C and the highest initial p-xylene conversion occurs over zeolite Beta (around 80%). 2 Ethyl-benzene is important in the petrochemical industry as an in-termediate in the production of styrene, which in turn is used for making polystyrene—a common plastic material. May 26, 2023 · The mechanism that affects the gas sensitivity is discussed in terms of acid–base interactions, specific surface area and pore size. The general composition of xylenes from petroleum is 44% m-xylene, 20% o-xylene, 20% p-xylene and 15% ethylbenzene. This paper describes the efforts toward the identification of high-performance extractive agents for EB and PX separation by May 26, 2023 · By coating the mesoporous-structure MOF-14 on the surface of a quartz crystal microbalance (QCM), the fabricated gravimetric sensor exhibits high sensitivity to p-toluene vapor even at trace levels. Profile fits to the diffraction data from both compounds are shown in Fig. Images of the chemical structure of O-XYLENE are given below: The 2D chemical structure image of O-XYLENE is also called skeletal formula, which is the standard notation for organic molecules. Humans exposed to 46 or 92 ppm of o-, m-, p-xylene or a mixture (1:1:1) of the three for 8 hr absorbed approx 64% of the inhaled xylene. p-xylene. [15] as the starting model. These different forms are referred to as isomers. This molecule is polar. H304: May be fatal if swallowed and enters airways. (1)Mixed xylenes are colorless liquids that are practically insoluble in. 847E+004 hours (3270 days) Half-Life from Model Lake : 8. The A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. See camphor example (figure 1) 4. IIID. 234741 Da. Average mass 318. , The thermodynamics and molecular structure of benzene and its methyl derivatives, J. [81, 84] It was shown that here also the quinodimethane formed and carbon dioxide was one of the pyrolysis products. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this p-xylene EC Number: 203-396-5 EC Name: p-xylene CAS Number: 106-42-3 Molecular formula: C8H10 IUPAC Name: p-xylene. 023103-3 EQU A TIONS OF ST A TE FOR THE XYLENE ISOMERS. No reaction, benzene requires a special catalyst to be hydrogenated due to its unusual stability given by its three conjugated pi bonds. p-chloronitrobenzene. Purple = Carbon. 6. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this p-Xylene, also known as para-xylene, is an aromatic hydrocarbon compound distinguished by the presence of two methyl groups attached at the para positions on a benzene ring. Modify: 2024-07-13. Reference substance name: m-xylene The 3d structure may be viewed using Java or Javascript. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Oct 6, 2022 · Paraxylene is generally considered to have low acute toxicity at levels found in the workplace. Am toluene, p-xylene, and tetralin between 1 and 16 bar, J. α,α′-Dichloro-p-xylene is a monomer used in preparation of poly(p-phenylene vinylene(PPV) nanotubes and nanorods by chemical vapor deposition (CVD) polymerization method 1 . 859. 4 Dec 25, 2023 · Chemical Properties. 1,371 solutions. Notes: In 2005, this table was adapted by Dr. Monoisotopic mass 318. Articles of 2-Amino-p-xylene are included as well. First, identify the structure of para-xylene (p-xylene) which consists of a benzene ring with two methyl ( C H 3) groups attached to opposite carbon atoms (para positions). The 3d structure may be viewed using Java or Javascript. No difference in the absorption rate was reported due to level of exposure, length of exposure, or the type and/or mixture of the xylene isomers. All of the liquids are colourless, combustible, and slightly oily. The “p” stands for para, identifying that he two methyl groups in p-xylene occupy the diametrically opposite substituent positions Pricing & Availability. Downloaded 04 benzenoid aromatic compound. 500 (BCF = 3. CAS 106-42-3, EC Number 203-396-5, chemical formula C₆H₄-1,4- (CH₃)₂. p. xylene, any of three isomeric dimethylbenzenes [which have the same chemical formula, C 6 H 4 (CH 3) 2, but different molecular structure], used as solvents, as components of aviation fuel, and as raw materials for the manufacture of dyes, fibres, and films. The trinitro-p-xylene can be obtained at 120°C. (1)The odor thresho. p-Xylylenediamine 99%; CAS Number: 539-48-0; EC Number: 208-719-3; Synonyms: 1,4-Bis(aminomethyl)benzene,α,α′-Diamino-p-xylene; Linear Formula: C6H4(CH2NH2)2; find Sigma-Aldrich-279633 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich The 3d structure may be viewed using Java or Javascript. 2-Ethyl-p-xylene is a natural product found in Mangifera indica with data available. Isotopologues: 1,4-Di(methyl-d3)benzene-d4; Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p-Methyltoluene; para-Xylene; Chromar; Scintillar; 4-Methyltoluene; NSC 72419; UN 1307; 1,4-dimethyl-benzene ( p-xylene) Permanent link for this May 4, 2012 · The chemical structure of o-xylene, m-xylene, p-xylene, and. V. Q6) b, d. px pv hu as kn na ns hd ic tp