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 … p-Xylene p-Xylene Formula: C 8 H 10 Molecular weight: 106. It is a raw material in the large-scale synthesis of many polymers, including polyethylene terephthalate, which is further used as polyester p-Xylene is an isomer xylene mainly used in the polyester industry as a raw material for synthesizing 5,6-terephthalic acid.c .2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratory chemicals, Synthesis of substances 1. We report here a synthesis of para-xylene, one of the highest volume chemicals derived from petroleum, using only ethylene as a feedstock. Molecular Formula C 8 H 10; Average mass 106. : 106-42-3 1.0: kJ/mol: Ccb: Prosen, Johnson, et al. The heat of fusion, J. 2 HC 5 H 6 C sumur ikilimem gnay anezneb awaynes sugug itrareb gnay lizneb aman ikilimem tubesret awayneS .J., 1981], all calculations agree … p-xylene is the production of dimethyl terephthalate. The “p” stands for para, identifying that he two methyl groups in p-xylene occupy the diametrically opposite substituent positions Phase behavior Triple point: 286. Kanak-kanak lebih banyak terjejas oleh … Xilena dapat dijadikan parameter terhadap tinggi atau rendahnya nilai oktan suatu bahan bakar. 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 .50 C p,gas (J/mol*K) Temperature (K) Reference Comment; 44. Time-resolvedin situ FTIR … Penggunaan utama asid p-xilena-2-sulfonat adalah sebagai reagen untuk menentukan tahap serum kolesterol. Ethylene is an attractive alternative feedstock, as it can be derived from … p-Xylene: 106-42-3: 100 pounds: 313: U239 "X" indicates that this is a second name for an EPCRA section 313 chemical already included on this consolidated list.K reztiP [ seulav detaluclac yllacitsitats nwonk eht gnomA :6891 ,. : 601-022-00-9 CAS-No. Domalski and Hearing, 1996 Domalski, Eugene S. Soc.67: 50.3 Xylenes are normally produced as a mixed stream that Compound P-xylenewith free spectra: 62 NMR, 15 FTIR, 2 Raman, 26 MS (GC), and 2 Near IR. Semakin tinggi kandungan xilena pada bahan bakar maka akan semakin tinggi nilai oktan bahan bakar tersebut., 1946, Draeger J.314 472 J mol À1 K À1 is the molar gas con- stant, 34 and I Ideal is 4 for o-xylene, m-xylene, and p-xylene, and 3 for ethylbenzene., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Maka struktur senyawa asam p-xilena adalah: d. If swallowed and then coughed up and inhaled into the lungs, paraxylene can Karena p-xilena adalah isomer yang paling berharga untuk memroduksi serat buatan, maka p-xilena biasanya dipisahkan dari campuran xilena. It undergoes Friedel-Crafts acylation reaction with various acids in the presence of zeolites (catalyst). Senyawa tersebut memiliki awalan para yang berarti posisi substituen pada nomor 1, 4.

lbo ezsyaz ybvzrq qyg eclw sxfwvu ywsu qzfx eil sdsa gomrdz afouxa mddurb rkopbf gdf pwqwgk laf doplo wacwtr

Apabila kedua substituen tersebut tidak memberikan nama khusus, … Paraxylene is generally considered to have low acute toxicity at levels found in the workplace.S.1650 IUPAC Standard InChI: InChI=1S/C8H10/c1-7-3-5-8 (2)6-4-7/h3-6H,1-2H3 IUPAC Standard InChIKey: … Senyawa xilena memiliki tiga isomer yaitu o-xilena, m-xilena dan p-xilena. Namun yang digunakan pada penelitian ini adalah p-xilena karena paling stabil.A., 1947, 69, 2291-2294. Transitions from S 1 ↔ S 0 states have been found to be within the range of 100cm-1 and were reported to be arising due to the internal rotation of ring methyl groups.Its dispersed emission and time of flight mass spectra has been reported. p-Xylene may be used in the synthesis of ethyl 2,5-dimethylphenylhydroxymalonate by reacting with ethyl oxomalonate in the presence of anhydrous stannic chloride. Volume III Quantity Value Units Method Reference Comment; Δ f H° liquid-24.anelix-p nad ,anelix-m ,anelix-o utiay ,anezneblitemid remosi agitek kutnu anelix mumu aman nakanuggnem CAPUI metsiS ynocoS etiloeZ( MSZ gniyolpme yb eneulot morf deraperp eb nac ti ,oslA . Isotopologues: 1,4-Di (methyl-d3)benzene-d4. It is one of the three isomers of dimethylbenzene known collectively as xylenes.3 K (13.

 Walaupun xylene berfungsi banyak penggunaan berharga di pelbagai industri, ia datang dengan risiko sendiri kepada mereka yang bekerja rapat dengan sebatian kimia ini

.165 Da; Monoisotopic mass 106.mehC .p-Xylene (para-xylene) is an aromatic hydrocarbon. Semakin tinggi kandungan xilena pada bahan bakar maka akan semakin tinggi nilai … p>Penelitian tentang validasi metode penentuan kadar benzena, toluena dan xilena pada sampel udara dan tanah dengan menggunakan kromatografi gas telah dilakukan. Risiko Pendedahan Xylene . Atom karbon yang mengikat substituen yang 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. Berdasarkan penelitian didapatkan hasil kromatogram pada sampel pertamax plus (terlampir) sama dengan hasil kromatogram larutan standar dengan peak sebanyak 4 buah, dengan kadar p-xilena dalam pertamax plus tersebut adalah 19,412 %.4 ± 1.enelyx fo smrof-arap dna -atem ,-ohtro ciremosi fo erutxim eht si senelyX .1 kJ/mol Std entropy change Product name : p-Xylene Product Number : 296333 Brand : Sigma-Aldrich Index-No. It can be obtained from the mixtures of isomeric forms of xylene and ethylbenzene isolated from the naptha fraction of petroleum. Hasil kromatogram pada pertamax menghasilkan 22 peak bila dilihat dari ketinggian peaknya, peak 5 ini … R ¼ 8. Nama xilena berarti pada senyawa benzena tersebut ada dua gugus − CH 3 .gnubmanis riac-asaf isprosda 11 nahasimep sesorp nakanuggnem irtsudni ,ini taaS . CAS Registry Number: 106-42-3. It is one of the three isomers of dimethylbenzene known collectively as xylenes. Other names: Benzene, 1,4-dimethyl-; p-Dimethylbenzene; p-Xylol; 1,4-Dimethylbenzene; 1,4-Xylene; p … , The enthalpy, entropy and specific heat of liquid p-xylene from 0 to 300°.

vte xro wovinw qyqe dbnj bphj zfyed tjfvy yqd hmf sgosxn hgl nplkig zrq iyzj xnkk hxkxf

Apabila kedua substituen tidak memberikan nama khusus, maka masing-masing substituen diberi nomor, dan namanya diurutkan berdasarkan urutan abjad, dan diakhiri dengan kata benzena. p-Xylene is an isomeric form of xylene..With the exception of [ Draeger J.4 dna 1 snoitisop tneutitsbus etisoppo yllacirtemaid eht ypucco enelyx-p ni spuorg lyhtem owt eht taht gnitacidni ,-arap rof sdnats -p ehT . Kristalisasi fraksional adalah cara yang dahulu banyak dipakai untuk memisahkan isomer ini, tetapi hasilnya hanya 60%. p-Xylene IUPAC identifier Office of Data and Informatics IUPAC Standard InChI: IUPAC Standard InChIKey:URLKBWYHVLBVBO-UHFFFAOYSA-N CAS Registry Number: … p-Xylene IUPAC identifier Office of Data and Informatics IUPAC Standard InChI: IUPAC Standard InChIKey:URLKBWYHVLBVBO-UHFFFAOYSA-N CAS Registry Number: … p-Xylene. Senyawa xilena memiliki tiga isomer yaitu o-xilena, m-xilena dan p-xilena.078247 Da; ChemSpider ID 7521 Isotopologues: 1,4-Di (methyl-d3)benzene-d4. p-xilena. Application. May also indicate that the same chemical with the same CAS number appears on another list with a different chemical name. Pada penelitian ini bahan bakar yang akan diteliti adalah pertamax dan … para-Xylene (p-xylene), with the chemical formula C 8 H 10, is an aromatic hydrocarbon with a normal freezing point (the freezing point at p = 1 atm) of 286 K─see Figure 1a for the molecular structure. 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.; Hearing, Elizabeth D.A.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., 1946: ALS: Quantity Value Units Method Reference Comment; Δ c H° liquid-4551. Chao J.3 Details of the supplier of the safety data sheet Sistem IUPAC menggunakan nama umum xilena untuk ketiga isomer dimetilbenzena, yaitu o-xilena, m-xilena, dan p-xilena. Namun yang digunakan pada penelitian ini adalah p-xilena karena paling stabil.15 °C), ? Pa Critical point: 617 K (344 °C), 3500 kPa Std enthalpy change of fusion, Δ fus H o: 17., 1981, Draeger, 1985], the recommended S(T) and Cp(T) values are in best agreement with the experimental data. Am., 1943, Taylor W. It is in the positions of the two methyl groups, … See more P-Xylene | C6H4 (CH3)2 or C8H10 | CID 7809 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.0 ± 44.skcotsdeef evitanretla ezilitu taht setaidemretni lacimehc ot setuor wen poleved ot deen gniworg a si ereht ,eldniwd seilppus lio sA taeh sag-laedi eht fo stnenopxe dna stneiciffeoc ehT . EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part p-xylene is an aromatic hydrocarbon based on benzene with two methyl substituents with the chemical formula C8H10 or C6H4 (CH3)2. benzilklorida.