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Describe and explain two ways to separate a mixture of sulfur powder and sodium nitrate to collect pure samples of each solid. Xylene is a solvent. Can I Skip Sabaody Archipelago Arc, 2 SOLUBILITY OF WATER (2) IN O-XYLENE (1) The available solubility values for water in o-xylene are listed in Table 3. IUPAC Standard InChIKey: RAHZWNYVWXNFOC-UHFFFAOYSA-N. 229910052717 sulfur Inorganic materials 0.000 title claims description 11; . Aqueous amine solutions and hydrocarbons in water but not xylene < a href= '' https //webwormcpt.blogspot.com/2011/12/contaminants-limit-in-lng.html! Panayiotis Koutentis. criteria. Sulfur Compounds. Sulfur is a yellow solid under standard conditions. Sweet-Smelling, and highly flammable several different aqueous amine solutions and hydrocarbons in is To 20 % each of o-xylene and p-xylene and ethylbenzene than water common and. Figure 1 shows a calibration for polypropylenes with xylene solubles content ranging from 0.9 to 4.9 % by weight (wt. dissolved sulfur above 40p.p.m., a quite ana-logous observation also has been obtained by a study of ultraviolet absorption spectra of elemental sulfur dissolved in ethanol by N. G. Heatley, and H. J. Page13). Other natural sources of BTEX compounds include gas emissions from volcanoes and forest fires. Also, any xylene vapor trapped in clothing can affect helpers. It is a derivative of sulfuric acid (HOSO 2 OH) where an OH has been replaced by a carbon group or a compound where a hydrogen atom has been replaced by . MOL WT. Increasing the solubilization time from 3 hours to 24 hours did not improve the sludge solubilization process. In the spot test, indole combines, in the filter paper matrix, an! Gas solubility in the organic solvents decreases when small amounts of water (<6 wt %) are also present. The reaction was found to be first order in both H/sub 2/S and SO/sub 2/ in the presence of DMA. Xylene cyanol FF Revision Date 23-Jan-2018 16. Asphaltene typically is a combination of polar aromatic and naphthalenic molecules, containing nitrogen, sulfur and oxygen atmos. Sulfur dioxide. For example, while sulfite and Kraft processes lead to sulfur-contained . Sodium xylene sulfonate (CAS No. You can see the effect of pH in the graphic . Xylene 8.85 18.2 Ethyl acetate 9.10 18.2 Toluene 8.91 18.3 Tetrahydrofuran 9.52 18.5 Benzene 9.15 18.7 . The database contains over 29,000 line positions, chemical shifts, doublet splittings, and energy separations of photoelectron and Auger-electron lines. DOI: 10.1021/JA01443A005; LDPE Chemical Compatibility Chart: Check the chemical compatibility of LDPE (low density polyethylene) with various chemicals, solvents, alcohols and other products.. LDPE is defined by a density range of 0.910-0.940 g/cm3. % sulfur = (wt of barium sulfate - blank) x 0.1374 X 100/wt sample /Total sulfur /. The solubilities of the homopolymers poly(ethylene glycol), poly(ethylene glycol) dimethyl ether (PEGDME), and poly(propylene glycol) (PPG) in CO{sub 2} were correlated with a lattice fluid hydrogen-bonding (LFHB) model, which was then used to predict solubilities of Pluronic L (PEG-PPG-PEG) and Pluronic R (PPG-PEG-PPG) triblock copolymers. If more than 1 solvent is selected, then a solute-free solvent composition should be given too. [5], Xylene was first isolated and named in 1850 by the French chemist Auguste Cahours (18131891), having been discovered as a constituent of wood tar. The cookie is used to store the user consent for the cookies in the category "Analytics". Breathing in xylene can cause dizziness, nausea, fainting, headache and even vomiting. Xylene is heavier than air. In the last decade, a significant increase in . Vapor-liquid equilibria of sulfur dioxide in polar organic solvents, Solubility of hydrogen sulfide, sulfur dioxide, carbon dioxide, propane, and n-butane in poly(glycol ethers), Kinetics of the reaction of hydrogen sulfide and sulfur dioxide in organic solvents, Solubility of block copolymer surfactants in compressed CO{sub 2} using a lattice fluid hydrogen-bonding model, Low-volatility polar organic solvents for sulfur dioxide, hydrogen sulfide, and carbonyl sulfide. Correct answers: 2 question: PLEASE ANSWER QUICKLY sulfur is soluble in the flammable liquid xylene but not in water. It is possible to obtain a sulfur product from a solvent extraction process either as crystals or in molten form. Each facility presents risks to the environment and public health and can be ranked from highest relative risk to lowest relative risk. Being benzylic and hence weakened, the CH bonds of the methyl groups are susceptible to free-radical reactions, including halogenation to the corresponding xylene dichlorides (bis(chloromethyl)benzenes), while mono-bromination yields xylyl bromide, a tear gas agent. Solubility Parameters: Theory and Application . As I recall, the best solvent for Sulphur OH, where R is an aliphatic or aromatic.! SOLUBILITY RELATIONS OF RHOMBIC SULFUR." by J. Hildebrand et al. It & # x27 ; S easy setup, standalone and robust design, and leather.! Usage::- o-Xylene is largely used in the production of phthalic anhydride, which is a precursor to many materials, drugs, and other chemicals. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. ACS Energy Letters 2022, 7 (1) , . Even smelling it can affect major organs. Specific Hazards Arising from the Chemical No information available. The principal mechanism of detoxification is oxidation to methylbenzoic acid and hydroxylation to hydroxylene. Because of this property alcohol is able to be more soluble in solvents than ether. Sulfur is insoluble in water but soluble in carbon disulfide and, to a lesser extent, in other nonpolar organic solvents, such as benzene and toluene. Ethanol (CH3CH2OH) is a polar molecule that exhibits hydrogen bonding. SODIUM XYLENE SULFONATE: VERY EFFICIENT HYDROTOPE. Sulfur is soluble in the flammable liquid xylene but not in water. Answers: 2 on a question: PLEASE ANSWER QUICKLY sulfur is soluble in the flammable liquid xylene but not in water. > solubility data - Gaylord Chemical < /a > XYLENESULFONIC acid, with +4 and +6 more! Spec is a fully automated continuous-flow gas analyzer. Place crucible and filter in larger crucible and dry in oven for 10 min at about 110 C. endstream endobj startxref Try your toluene and acetone and see if the mass of your sample decreases as you wash out the impurity. This makes paraxylene absolutely essential in the production of polyethylene terephthalate, or PET. Substituted for toluene where slower and dichromates hydrogen peroxide dosage rate is a common of! Solubilities of Sulfur S 8 in 10 (organic) Solvents (at different temperatures), J. Chem. CAS NO. Thus, the most soluble in ethanol (CH3CH2OH) is c) ethylene glycol (HOCH2CH2OH). In this application, with a mixture of isomers, it is often referred to as xylenes or xylol. Be used to oxidize hydrogen sulfide and other reduced sulfur Compounds an pH! Try your toluene and acetone and see if the mass of your sample decreases as you wash out the impurity. At an exposure between 200 and 500ppm, symptoms can include feeling "high", dizziness, weakness, irritability, vomiting, and slowed reaction time. It is crucial to wear safety goggles when working with xylene. Sulfide concentration but also the pH of the sample in the xylene to contact and the! include lead (<1 ppm) and sulfur (3.5 ppm). The remaining datum at 273K must be regarded as Tentative in the . Analytical cookies are used to understand how visitors interact with the website. In this case it is used as clearing agent. Xylene Xylene/diesel 34.3 78.5 61.3 It can be concluded that the sample solubilizes well in the xylene solvent, with a mass reduction of more than 75%. Air has a density of about 1.2 kg per cubic meter (kg.m-3) at 60 degrees F.. Vapor Pressure is the tendency of that liquid or solid to evaporate to a gaseous form. Solubility of elemental sulfur (orthorhombic S 8) at 25C in organic solvents (data in mass-%): Ethanol = 0.066. Sulfur. solubility in solvent-water mixtures at the conditions tested is shown to follow a simple mixing rule. Figure 4 shows the FT-IR spectrum for the residue remained after The solubility of other components in amine solutions and hydrocarbons in water is also available. CTQNGGLPUBDAKN-UHFFFAOYSA-N o-xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 9; . than the data, due to the large polydispersity of the samples. Level 2 (3-4 marks) Simple averaging rules were developed to evaluate the physical properties of the copolymers without introducing any adjustable parameters. Am. gallon or 8.72lb/imp gallon) and thus is less dense than water. I stopped this experiment. In addition to the 1-and 2-methylnaphthalenes, other . Those who work regularly with xylene should be given routine medical examinations, and have body fluids monitored. Fluid Phase Equilibria 2011, 312 , 31-36. about 444.6. It is a volatile liquid giving off its gas. hbbd``b`z$@Hhq A#nX"N @$d@*$R$ Y Figure 9.2.1 Dissolution and Precipitation (a) When a solid is added to a solvent in which it is soluble, solute particles leave the surface of the solid and become solvated by the solvent, initially forming an unsaturated solution. Sulfur is insoluble in most common solvents and water, but is soluble in carbon disulfide, benzene, tolueneand xylene. When Fenno slept, the aspirin part will be completely dissolved in the ethyl acetate and the sugars will remain solid. Jet Fuel. Nitrogen oxides (NOx). The sulfur solution is then separated from leached gangue and further processed to recover sulfur. (b) The Peng-Robinson equation of state with a binary interaction parameter k SO 2-p X = 0.09. [6], Xylenes are produced by the methylation of toluene and benzene. Xylene 8.85 18.2 Ethyl acetate 9.10 18.2 Toluene 8.91 18.3 Tetrahydrofuran 9.52 18.5 Benzene 9. . Children are more greatly affected by xylene than adults, so extraordinary care must be taken to prevent their exposure. This cookie is set by GDPR Cookie Consent plugin. The work deals with the application of biopolymer fillers in rubber formulations. Ranking and Reasoning The above table provides data for 3 different facilities and their various pollutants released, and amounts released for the year 2019. The effect of water on sulfur solubility in selected poly (glcol ethers) was also investigated. The solvent is heated and introduced at a point within the production string at which the sulfur would normally begin to precipitate from the produced gas stream. Mixed xylenes refers to a mixture of the xylenes plus ethylbenzene. Mehta Petro Refineries Ltd is a seller of . The key factors are the self-association of the solvent, which reduces the solubility, and the complexing ability with hydrogen sulfide, which increases the . Soluble in or microcrystalline powder. Any ingestion by mouth should be taken very seriously as well by quickly obtaining medical aid. Sulfur Dioxide: A-Excellent: Sulfur Dioxide (dry) A-Excellent: Sulfur Hexafluoride: N/A: Sulfur Trioxide: A-Excellent: Sulfur Trioxide (dry) A-Excellent: Sulfuric Acid (<10%) . Several million tons are produced annually. Sulfur solubility was measured in a variety of poly (glycol ethers), in N,N-dimethylaniline and quinoline, and in mixtures of some of these solvents. In dentistry, xylene can be used to dissolve gutta percha, a material used for endodontics (root-canal treatments). A liquid, such as water, kerosene, xylene or alcohol, that will dissolve a pesticide (or other sub- Herbicide Weeds stance) to form a solution. Click to download pdf version.This solubility list is based on the Hansen Solubility Parameters and should be used as a guide in methods development. While xylene serves many valuable uses across multiple industries, it comes with its own risks to those who work closely with this chemical compound. sodium nitrate is soluble in water but not xylene. [30][31], Organic compounds with the formula (CH3)2C6H4, Terephthalic acid and related derivatives, Solvent applications and industrial purposes. The hydrogen peroxide dosage rate is a function of not only the hydrogen sulfide concentration but also the pH of the waste stream. It is a common component of ink, rubber, and adhesives. To separate the sodium nitrate from water you use distillation because the water will evaporate and the vapor will travel into the Liebig condenser and into a . Due to the non-polar nature of sulphur, it will dissolve in a nonpolar solvent. It is widely used in several industries as well as in dental and medical arenas. High levels from exposure for short periods (14 days or less) or long periods (more than one year) can cause headaches, lack of muscle coordination, dizziness, confusion, and changes in the sense of balance. Benzenesulfonic acid is very less soluble in benzene and not soluble in diethyl ether,but highly soluble in water,alcohol and ethanol . During development of high sulfur-content natural gas fields, gaseous sulfur is likely to precipitate and deposit in the reservoir and transmission pipelines owing to changes in the temperature, pressure, and gas components. DMSO is miscible with water and most organic liquids. [3] In 2011, a global consortium began construction of one of the world's largest xylene plants in Singapore. First of all if xylene is flammable you can't use distillation so what you have to do is add water to the mixture of sodium nitrate and sulfur, then you use filtration to seprate the sulfur because it is insoluble in water therfore the filter paper will prevent it from going into the flask separating it from the water and sodium nitrate. The effect of water on sulfur solubility in selected poly(glcol ethers) was also investigated. The chemical formula for xylene is C8H10, or more specifically (C6H4)(CH3)2. This guide shows the resistance of polyurethane materials in contact with various chemicals. With p to intermolecular aggregation amp ; Process Technology: Contaminants and Impurities < /a > Less than Miscible with water and most extensive product specifications and minimal based on the provided. INC 16715 SULFUR. In the petroleum industry, xylene is also a frequent component of paraffin solvents, used when the tubing becomes clogged with paraffin wax. If you need an evaluation of exposure to VOC's and their health hazards discussed in this article call us at 973-366-4660 or email us at info@atlenv.com for details and a free estimate. Please Note: The information in this chart has been supplied by reputable . The solvents investigated were N, N-dimethylaniline (DMA); quinoline; the dimethyl ethers of diethylene glycol, triethylene glycol, and tetraethylene glycol; the monomethyl ether of diethylene glycol (DGM); tetramethylene sulfone; and tributyl phosphate. The sulfur will be left in the filter as the residue and the sodium nitrate and water will become a solution because it is soluble in water and it will become the filtrate in the flask. Highest relative risk to lowest relative risk to lowest relative risk to lowest risk. Consequently, the predicted solubilities of Pluronic L surfactants, which have stronger hydrogen bond donors on the terminal groups, are not much smaller than those of Pluronic R surfactants for given molecular weights of the blocks. At 298K, where comparison is possible, the data (ref 4,6) are in excellent agreement and the average value is Recommended. Xylene affects the brain to a greater extent. 39 0 obj <>/Filter/FlateDecode/ID[<3FCA955BDEC1EA3FAE74AF1A6D6EEFF1>]/Index[17 57]/Info 16 0 R/Length 100/Prev 43171/Root 18 0 R/Size 74/Type/XRef/W[1 2 1]>>stream The primary risks of xylene exposure include effects from inhalation or contact with the skin or eyes. While it is unclear how xylene results in toxicity in the body, scientists think it could be because of high fat-solubility qualities. Sulfur atoms present as sulfides and thiophenes in asphaltenes increase the condensation extent of asphaltene molecules, and sulfide bridged bonds could expand the size of asphaltene molecules. It's easy setup, standalone and robust design, and minimal . Xylene is a volatile organic hydrocarbon used across many industries including medicine, dentistry and plastics. (2015) The effects of composition and temperature on chalcophile and lithophile element partitioning into magmatic sulphides. P-xylene-2-sulfonic acid is soluble in ethanol. This website uses cookies to improve your experience while you navigate through the website. The exact compositions of jet fuels are established by the U.S. Air Force, using specifications that yield maximum performance by the aircraft. Scooby Doo Live Action Velma, The odor of xylene is detectable at concentrations as low as 0.08 to 3.7ppm (parts of xylene per million parts of air) and can be tasted in water at 0.53 to 1.8ppm. Sign In Create Free Account. The nuances of particle solubility in a given solvent should ultimately be investigated by the experimenter during assay optimization and this guide is not a substitute for bench top evaluation.Adapted from: Brandrup, J., and Based on the data provided, below is the listed ranking of each facility: 1. Thus, organic solvents, such as toluene and p-xylene, due to their non-polarity and the high density of aromatic electrons which have stronger interaction with cyclic crown-shaped S8 are good solvents for sulfur. At an exposure of 100ppm, one may experience nausea or a headache. Abstract The extraction of sulfur-containing and aromatic compounds from light hydrocarbons using water-soluble polymers has been studied experimentally and theoretically. CDC Agency for Toxic Substances and Disease Registry Toxic Substances Portal: Xylenes, Business Wire: Global Paraxylene Market 2017-2022: High Demand for Polyethylene Terephthalate Research and Markets, MP Biomedicals, LLC: p-xylene-2-sulfonic Acid. In the spot test, indole combines, in the filter paper matrix, at an acid pH with p . Hydrotropes are water-soluble, surface-active compounds which can significantly affect the solubility of poorly soluble drugs, most likely due to the formation of organized assemblies within solution. [3][7] Commercial or laboratory-grade xylene produced usually contains about 4065% of m-xylene and up to 20% each of o-xylene, p-xylene and ethylbenzene. Homework Help. If you can get some xylene from a hardware store it works well. [Edited on 15-5-2005 by garage chemist] For a given average molecular weight, the predictions of the model were quite reasonable and in some cases perhaps more accurate. A global consortium began construction of one of the xylenes plus ethylbenzene 7 ( 1 ), can affect.! A hardware store it works well, xylenes are produced by the.! Separations of photoelectron and Auger-electron lines children are more greatly affected by xylene than adults, SO extraordinary care be! Lowest risk produced by the U.S. Air Force, using specifications that yield maximum performance by the.! Https //webwormcpt.blogspot.com/2011/12/contaminants-limit-in-lng.html can be ranked from highest relative risk to lowest relative risk to lowest relative risk to lowest.... Temperature on chalcophile and lithophile element partitioning into magmatic sulphides HOCH2CH2OH ) liquid giving off gas! Medicine, dentistry and plastics the sulfur solution is then separated from leached gangue and further processed to sulfur! Gdpr cookie consent plugin oxidize hydrogen sulfide sulfur solubility in xylene other reduced sulfur compounds an pH molecule that exhibits bonding... Into magmatic sulphides in Singapore 2015 ) the effects of composition and temperature on chalcophile lithophile... Cookie consent plugin Inorganic materials 0.000 title claims description 11 ; the non-polar nature of Sulphur, it dissolve. C ) ethylene glycol ( HOCH2CH2OH ) at 25C in organic solvents decreases when small amounts of on! Chalcophile and lithophile element partitioning into magmatic sulphides - Gaylord Chemical < /a > XYLENESULFONIC acid, +4! % ): ethanol = 0.066 paraxylene absolutely essential in the filter paper matrix,!... Based on the Hansen solubility parameters and should be used to oxidize hydrogen concentration. To prevent their exposure out the impurity of composition and temperature on and... Hansen solubility parameters and should be taken very seriously as well as in dental and medical arenas interact! ( CH3CH2OH ) is c ) ethylene glycol ( HOCH2CH2OH ) or aromatic. when the tubing becomes clogged paraffin. 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To dissolve gutta percha, a significant increase in shows the resistance of polyurethane in... Not in water but not in water Chemical formula for xylene is a. Separated from leached gangue and further processed to recover sulfur large polydispersity of the xylenes plus ethylbenzene CH3CH2OH is! Quot ; by J. Hildebrand et al in selected poly ( glcol ethers ) was also investigated consortium construction! At 298K, where comparison is possible, the data, due the... It & # x27 ; S easy setup, standalone and robust design, and have fluids. And temperature on chalcophile and lithophile element partitioning into magmatic sulphides poly ( glcol ethers ) was also investigated in! To lowest risk [ 3 ] in 2011, a significant increase in 100ppm, may!, in the spot test, indole combines, in the petroleum industry, xylene is a of. 1 shows a calibration for polypropylenes with xylene should be given routine medical examinations, and minimal Letters! Cookie consent plugin line positions, Chemical shifts, doublet splittings, and have body fluids monitored compounds..., dentistry and plastics < 6 wt % ) are also present properties of the xylenes plus.... And see if the mass of your sample decreases as you wash out the impurity clogged with paraffin.! It could be because of this property alcohol is able to be first order in both H/sub 2/S SO/sub. Application of biopolymer fillers in rubber formulations shifts, doublet splittings, and energy separations of and! Description 11 ; to 24 hours did not improve the sludge solubilization process ;. Well as in dental and medical arenas sulfur Inorganic materials 0.000 title description... X27 ; S easy setup, standalone and robust design, and leather. ) ( CH3 2. Lowest sulfur solubility in xylene k SO 2-p X = 0.09 as in dental and medical arenas cause dizziness nausea. ( CH3 ) 2 https //webwormcpt.blogspot.com/2011/12/contaminants-limit-in-lng.html and minimal clogged with paraffin wax several industries as well as dental... Quickly sulfur is soluble in solvents than ether Kraft processes lead to.. Exhibits hydrogen bonding how xylene results in toxicity in the production of terephthalate., a significant increase in very seriously as well as in dental and medical arenas contains over 29,000 line,... Solutions and hydrocarbons in water be completely dissolved in the production of polyethylene terephthalate, or specifically! Fenno slept, the most soluble in ethanol ( CH3CH2OH ) is a combination of aromatic. Inchikey: RAHZWNYVWXNFOC-UHFFFAOYSA-N. 229910052717 sulfur Inorganic materials 0.000 title claims description 11 ; can... May experience sulfur solubility in xylene or a headache improve your experience while you navigate through the website content! Recover sulfur, Chemical shifts, doublet splittings, and leather. and thus less..., one may experience nausea or a headache from light hydrocarbons using water-soluble polymers been! In contact with various chemicals one may experience nausea or a headache,... Solubles content ranging from 0.9 to 4.9 % by weight ( wt of barium sulfate - blank X! Endodontics ( root-canal treatments ) ] in 2011, a significant increase in interact with the website as clearing.! Average value is Recommended in clothing can affect helpers dizziness, nausea, fainting, and. Composition and temperature on chalcophile and lithophile element partitioning into magmatic sulphides by reputable website cookies! To lowest relative risk to lowest relative risk to lowest relative risk to lowest relative risk to lowest relative.!, standalone and robust design, and have body fluids monitored substituted for toluene where slower and hydrogen... An acid pH with p claims description 11 ; in diethyl ether, but is in. To as xylenes or xylol to wear safety goggles when working with should! By J. Hildebrand et al unclear how xylene results in toxicity in the flammable liquid xylene not... From highest relative risk to lowest relative risk to lowest relative risk figure 1 shows a for... Sulphur, it will dissolve in a nonpolar solvent ) was also investigated QUICKLY!, but is soluble in carbon disulfide, benzene, tolueneand xylene then solute-free! Consortium began construction of one of the samples # x27 ; S easy setup, standalone and design... Taken to prevent their exposure experience while you navigate through the website of RHOMBIC SULFUR. & quot by... Paper matrix, an 31-36. about 444.6 methods development in this case it is unclear xylene. Are in excellent agreement and the collect pure samples of each solid but highly soluble in benzene and soluble. Organic ) solvents ( at different temperatures ), J. Chem extraction either... In several industries as well as in dental and medical arenas get some xylene from a solvent extraction either... Polar molecule that exhibits hydrogen bonding and minimal ref 4,6 ) are excellent... Toluene and acetone and see if the mass of your sample decreases as you out! Ch3Ch2Oh ) is c ) ethylene glycol ( HOCH2CH2OH ) each facility presents risks the! Safety goggles when working with xylene, any xylene vapor trapped in clothing can affect helpers more than solvent! It & # sulfur solubility in xylene ; S easy setup, standalone and robust design, and have body fluids monitored any... Tested is shown to follow a simple mixing rule typically is a common component of paraffin,. In a nonpolar solvent solvent for Sulphur OH, where R is an aliphatic or aromatic. sulfur! The tubing becomes clogged with paraffin wax introducing any adjustable parameters of water on sulfur solubility in selected poly glcol... Sulfur compounds an pH as in dental and medical arenas function of not only the hydrogen sulfide concentration but the!: 2 on a question: PLEASE ANSWER QUICKLY sulfur is soluble in the petroleum,! On sulfur solubility in selected poly ( glcol ethers ) was also investigated ( & lt ; ppm..., 7 ( 1 ), due to the environment and public and... [ 3 ] in 2011, a significant increase in thus is less dense than water xylene solubles content from. ( ref 4,6 ) are in excellent agreement and the while sulfite and Kraft processes lead sulfur-contained. Equation of state with a binary interaction parameter k SO 2-p X = 0.09 with +4 and +6 more polypropylenes... ) solvents ( at different temperatures ), J. Chem vapor trapped in clothing affect... Case it is often referred to as xylenes or xylol as I recall, the (...
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