Ethyl benzene. 03% during the forecast period (2024-2029).

It may cause cancer, genetic defects, and infertility, and it may be fatal if Jan 31, 1987 · CASRN 100-41-4 | DTXSID3020596. The reagent used for converting benzene to ethyl benzene is: Q. Reacts with strong oxidants. (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister. ethyl benzene phenylethane Supplier Sponsors. 03% during the forecast period (2024-2029). Aug 20, 2021 · Benze ne, as shown on the left, is an organic aromatic compound with many interesting properties. 分子量 106. In addition to this intended use, ethylbenzene is present at low concentrations in fuels and may be found in automobile exhaust. A typical sales specification is as follows: purity, 99. Office of Innovation and Analytics, Toxicology Section. 16 g/mol. (1) The vapor pressure for ethylbenzene is 9. CAS Registry Number: 100-41-4. It is used primarily as an intermediate for styrene production and is also a natural component of petroleum products and incomplete combustion of natural substances, and is present in tobacco smoke. : 103-73-1; Synonyms: Phenetole; Ethoxybenzene; Ethyl phenyl ether; Linear Formula: C6H5OC2H5; Empirical Formula: C8H10O Jan 31, 1987 · Guidelines for Carcinogen Risk Assessment (U. Benzene is used mainly as an intermediate to make other chemicals, above all ethylbenzene (and other alkylbenzenes), cumene, cyclohexane, and nitrobenzene. CAS 100-41-4, EC Number 202-849-4, chemical formula C₆H₅C₂H₅. 1650. These exposures are a twentieth or more lower than the current lowest occupational exposure limit, 20 ppm. 95 Million tons in 2024, and is expected to reach 40. 4770 Buford Highway. (APF = 25) Any powered, air-purifying respirator with organic vapor cartridge エチルベンゼン (Ethylbenzene) は、 炭化水素 。. Description. 1-Ethyl-2,4-dimethylbenzene | C10H14 | CID 13403 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological 2005-03-26. (7) The chemical formula for ethylbenzene is C 8 H 10, and the molecular weight is 106. Step 2 (Fast) The LPE on a base attacks the hydrogen. The diethylbenzene is an inadvertent side product. 1-Ethyl-2-methylbenzene is a natural product found in Gossypium hirsutum, Homo sapiens, and other organisms with data available. Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (21 pp, 148 K) Not assessed under the IRIS Program. ChEBI. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. It is highly flammable and is formed from both natural processes and human activities. Other uses include as a solvent, in fuels, and to make other chemicals. Solubility in water, g/100ml at 20°C: 0. It evaporates into the air very quickly and dissolves slightly in water. Levels of cumene, n-propylbenzene, ethyltoluenes and xylenes in ethyl-benzene are controlled to meet the required styrene purity specification. What happens to ethylbenzene when it enters the environment? ‘ Ethylbenzene moves easily into the air from water and soil. ɒl, - ɔːl, - oʊl / ), is a substituted aromatic hydrocarbon [15] with the chemical formula C6H5CH3, often abbreviated as PhCH3, where Ph stands for phenyl group. 15K Information regarding the physical and. Jun 1, 2024 · Ethyl benzene, Toluene, and Xylene. It is added to gasoline as an anti-knock agent, thereby reducing engine knocking and increase the octane rating. Ethylbenzene. Long-term exposure in air. Relative density (water = 1): 0. 3 ppm and the upper confidence limit on their exposures did not exceed 0. In addition to being extremely flammable, benzene is highly hazardous to people and the environment, and is the most harmful of the BTEX group. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. So what I want to do in this video is just familiarize you with some of these molecules and how to name them. This may be a synopsis of the full weight-of-evidence narrative. tobacco smoke) known to increase cardiovascular disease (CVD) risk. %PDF-1. C 6 H 5 C 2 H 5 Video transcript. 7%. (1) The odor threshold for ethylbenzene is 2. Sampling information. Ethylbenzene is a flammable and. Ethyl group (highlighted blue) as part of a molecule, as the ethyl radical, and in the compounds ethanol, bromoethane, ethyl acetate, and ethyl methyl ether. One carbon gets a positive charge the other forms a C-E bond. Specific Regulatory Levels Posing No Significant Risk: Ethylbenzene Ethylbenzene (CAS 100-41-4) is a low molecular weight, highly flammable liquid with moderate volatility and an aromatic odor. It is also used to make other chemicals Ethylbenzene is a colorless, flammable liquid that smells like gasoline. This page looks at the names of some simple aromatic compounds. 3 Mt annually. Despite its prevalence, the cardiovascular effects of benzene have rarely been studied. Ethylbenzene is used primarily in the production of styrene and acetophenone, as a solvent, and as a constituent of asphalt and naphtha. Information on this page: Mass spectrum (electron ionization) Other names: Styrene, p-ethyl-; p-Ethylstyrene; p-Ethylvinylbenzene; 4-Ethenylstyrene; 4-Ethylstyrene; 1-Ethenyl-4-ethylbenzene; 4-Ethyl-1-ethenyl benzene; 1-Ethyl-4-vinylbenzene Permanent link for this species. The presence of electron-withdrawing Find comprehensive information on (1-Bromoethyl)benzene, including its structure, properties, classification, and safety data on PubChem. H332: Harmful if inhaled. How will you convert Benzene to acetophenone? Q. From rate data of this kind, it is a simple matter to calculate the proportions of the three . An aromatic compound is one which contains a benzene ring. 常温では無色透明の液体 Jan 1, 2016 · The overall ethylbenzene capacity using the SEB-08 alkylation catalyst and SGEB dilute-ethylene process is currently about 1. Synonyms: Ethylbenzol; Phenylethane. Uses advised against Food, drug, pesticide or biocidal product use. Ethylbenzene is a colorless, flammable liquid that smells like gasoline. Feb 8, 2011 · The ethyl benzene (EB) process involves the reaction of benzene with ethylene to form the desired EB product. It is found in natural products such as coal tar and petroleum and is also found in manufactured products such as inks, insecticides, and paints. 3 parts per million (ppm). m; Column Humans: Exposure to high levels of ethylbenzene in the air for short periods can cause eye and throat irritation. For more information, contact: Agency for Toxic Substances and Disease Registry. Benzyl ethyl ether is a natural product found in Artemisia judaica and Curcuma amada with data available. : AC321360000; AC321360010 Synonyms No information available Recommended Use Laboratory chemicals. (DOE, 2024) Regulatory Information What is this information? Step 1 (Slow) The e- in the pi bond attacks the electrophile. Up to 800 ppm: (APF = 10) Any chemical cartridge respirator with organic vapor cartridge (s)*. The Lummus Technology/UOP EBOne™ ethylbenzene technology has earned the reputation for being one of the most modern, efficient and reliable processes for the production of intermediate ethylbenzene (EB). This causes the e- in the C-H bond to form a C-C double bond and aromaticity is reformed. Use this Ethylbenzene is a colorless, flammable liquid that smells like gasoline. Naming aromatic compounds isn't quite so straightforward as naming chain compounds. (see manufacturer instructions) See mfr instructions. So let's look at a few. Molecular mass: 106. Ethylbenzene is obtained through acid-catalyzed alkylation of benzene with ethylene (297). In extreme cases, inhaling or swallowing very high levels of benzene can be deadly. Benzene, for this very same reason, can be formed from the phenyl group by reattaching the hydrogen back its place of removal. Egazaryants and Maximov, 1998: He; Column length: 15. Details of the supplier of the safety data sheet Emergency Telephone Number For information US call: 001-800-ACROS-01 / Europe call: +32 14 Major uses. Use this link for bookmarking 1-Bromo-2-ethylbenzene | C8H9Br | CID 16089 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Ethylbenzene (EB) is the key intermediate in the production of styrene, which is a monomer produced in very large volumes. 8-47, Table N1) concurred with this proposal. Note that 2-chlorophenol = o-chlorophenol. It is also used as a fuel additive. The Ethylbenzene Market size is estimated at 34. NIOSH/OSHA. Based on the skin and mucous membrane irritant properties associated with exposure to ethyl benzene, OSHA proposed permissible exposure limits for this substance of 100 ppm as an 8-hour TWA and 125 ppm as a 15-minute STEL. Chemical formula: C 2 H 5 –C 6 H 5. Please Login or Subscribe to Access the Ethylbenzene Price Chart Data Other names: Toluene, o-ethyl-; o-Ethylmethylbenzene; o-Ethyltoluene; o-Methylethylbenzene; 1-Ethyl-2-methylbenzene; 1-Methyl-2-ethylbenzene; 2-Ethyltoluene; ortho-Ethyltoluene; 1,2-Methylethylbenzene; 2-Ethylmethylbenzene; Toluene, 2-ethyl-; 2-Methyl-1-ethylbenzene; NSC 405731; 2-ethyl-3-methylbenzene Permanent link for this species. This page gives you the facts and simple, uncluttered mechanisms for the electrophilic substitution reaction between benzene and alkenes in the presence of a mixture of aluminium chloride and …. This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used. Use Dec 7, 2023 · Since 1990, EPA has modified the list through rulemaking to include 188 hazardous air pollutants. Name: ethylbenzene: CAS Number: 100-41-4: 3D/inchi: ECHA EINECS - REACH Pre-Reg: 202-849-4: FDA UNII: L5I45M5G0O Jan 23, 2023 · The chief products are phenol and diphenyl ether (see below). 9. In 2014, a new alkylation catalyst, SEB-12, was used in industrial plants. Chemicals Listed Effective June 11, 2004 as Known to the State of California to Cause Cancer: Five Chemicals. Some substance identifiers may have been claimed confidential, or may Column type Active phase Temperature (C) I Reference Comment; Capillary: Carbowax 20M: 150. Respirator Recommendations. It is naturally found in coal tar and petroleum and is also found in manufactured products such as inks, pesticides, and paints. It is a component of automotive and aviation fuels. Q. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Ethyl Benzene may damage the liver. 75070. 1100. In 2004 it ranked fifteenth among chemicals produced in the United States. Liquid ethylbenzene floats on water and may travel to a source of ignition and spread fire. 56 Million tons by 2029, growing at a CAGR of 3. However, ethylene can also react with EB to form an undesired product of di-ethyl benzene (DEB) if reactor temperatures or ethylene concentrations are high. H225: Highly flammable liquid and vapour. C 6 H 6 + C 2 H 4 → C 6 H 5 C 2 H 5. May 7, 2010 · Other names: Styrene, p-ethyl-; p-Ethylstyrene; p-Ethylvinylbenzene; 4-Ethenylstyrene; 4-Ethylstyrene; 1-Ethenyl-4-ethylbenzene; 4-Ethyl-1-ethenyl benzene; 1-Ethyl-4-vinylbenzene Permanent link for this species. Aldrich-241989; Ethoxybenzene 0. Ethylbenzene is used primarily in the production of styrene and synthetic polymers. 0)/1, and the energy consumption decreased. The IUPAC name of the following compound : ethyl methyl benzene - 1, 3 - dicarboxylate. Chemical structure 1: To view TLV and Documentation, you must be logged in as an ACGIH member or have previously purchased the documentation. Upon further increasing the phosphorus content to 3 wt % in ZSM-5, the selectivity of propylbenzene formation in aromatics can reach 64. H373: May cause damage to organs through prolonged or repeated exposure. Jan 23, 2023 · An Industrial Alkylation of Benzene is shared under a CC BY-NC 4. Other uses include as a solvent, in fuels, and to make other The naming process for 2-chlorophenol (o-chlorophenol). Ethyl is used in the International Union of Pure and Mar 30, 2016 · The BTEX complex is a hydrocarbon mixture of benzene, toluene, xylene and ethyl-benzene. May 19, 2022 · The selectivity to ethylbenzene can reach 83. 1 INTRODUCTION. Acetonitrile. Production of ethylbenzene is on the order of hundreds of metric tons per year in the United States Jan 23, 2023 · Truro School in Cornwall. In 1988 it was reported that two-thirds of all chemicals on the American Chemical Society's lists contained at least one benzene ring. Acetamide. Feb 13, 2019 · Phenol, Ph-OH, or C6H5OH, for example, is formed when an alcohol (-OH) group displaces a hydrogen atom on the benzene ring. The feed molar ratio of benzene/ethylene was lowered to (5. 2. Unlike aliphatic (straight chain carbons) or other cyclic organic compounds, the structure of benzene (3 conjugated π bonds) allows benzene and its derived products to be useful in fields such as health, laboratory synthesis, and other applications such as rubber synthesis. Commonly referred to as gasoline aromatics, these compounds are refined from low-octane petroleum products into a high-octane gasoline additive. While some volume of BTEX is native to gasoline, it is also added to finished gasoline to boost its octane rating. C 6 H 5 –Cl + NaOH solution. During the Q3 of 2023, the prices rallied on the back of rising crude oil and feedstock benzene and ethylene prices. Melting point: -95°C. Below is a list of commonly seen benzene-derived compounds. This forms the arenium ion. Because ethylbenzene is used almost exclusively to produce styrene, the product specification on ethylbenzene is set to provide a satisfactory feedstock for styrene production. Product Name Ethylbenzene-d10 Cat No. ベンゼン 環上の1つの 水素 を エチル基 で置換した構造を持つ。. combustible liquid. Ethyl Benzene is a FLAMMABLE LIQUID and a DANGEROUS FIRE HAZARD. A 2021 survey of U. Notice of Proposed Rulemaking, Title 22, California Code of Regulations, Amendment to Section 12705. The minimum concentration, as depicted from Figure 2, is associated with the first 15 min of the combustion. Ethylbenzene (Fig. A vapor-suppressing foam may be used to reduce vapors. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file. 6 %âãÏÓ 19 0 obj > endobj 34 0 obj >/Filter/FlateDecode/ID[5F78722225BC7944B311A80FD090DFFE>]/Index[19 24]/Info 18 0 R/Length 78/Prev 54647/Root 20 0 R Ethylbenzene is a colorless, flammable liquid that smells like gasoline. Ethylbenzene (EB) is an important intermediate for the production of styrene. Use clean, non-sparking tools to collect absorbed material. Vapour pressure, kPa at 20°C: 0. The arenium ion is conjugated but not aromatic. Formula: C 8 H 10. Use this Sep 28, 2011 · OSHA’s former limit for ethyl benzene was 100 ppm as an 8-hour TWA. d(ln(k H))/d(1/T): Temperature dependence parameter for Henry's Law constant: k° H Henry's Law constant at 298. Ethylbenzene is a colorless liquid that smells like gasoline. Contrary to benzene and ethylbenzene, the concentrations of toluene and xylene were the highest at 45 min and 120 min, respectively. 2012년 기준으로 생산되는 에틸벤젠의 99% Reactions that occur at the benzylic position are very important for synthesis problems. The first step is the industrial route to ethylbenzene, which is produced on a large scale as a precursor to styrene. 16、 融点 −95 ℃、 沸点 136 ℃。. 4: K: AVG: N/A: Average of 79 out of 96 values; Individual data points Quantity Value Units Method Reference Comment; T fus: 179. Thus benzene, similar to phenol, can be abbreviated Ph-H, or C6H6. C 6 H 5 –OH + C 6 H 5 –O–C 6 H 5 + NaCl. Acetaldehyde. As a group 2B member, Ethyl benzene, is one of the chemicals causing cancer in animals; for example, in a study it was observed that this chemical interacts with a spontaneous age-related disease in rodents resulting in malignant kidney tumor. Inhaling Ethyl Benzene can irritate the nose and throat. 8%; CAS Number: 100-41-4; EC Number: 202-849-4; Synonyms: NSC 406903,Phenylethane; Linear Formula: C6H5C2H5; find Sigma-Aldrich-296848 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Create: 2005-03-26. 99; CAS No. CAS number: 100-41-4. 015. IRIS Summary (PDF) (21 pp, 148 K) Status: Ethylbenzene is in step 1 at this time; see Quick Check. IUPAC Standard InChI: InChI=1S/C8H10/c1-2-8-6-4-3-5-7-8/h3-7H,2H2,1H3. Its main use is as an intermediate for making other chemicals, such as ethylbenzene, cumene, cyclohexane, and nitrobenzene. Animals: Exposure to very high levels (about 2 million times the usual level in urban air) can cause death. The price of Ethylbenzene (United States) increased during April 2019 to 568 USD per metric ton, which represents a considerable rise of 8% compared to the previous month’s value. 1 mg g cat −1 h −1 and can be maintained for 100 h without deactivation of any of the catalysts. Prevent entry into waterways, sewers, basements or confined areas. A great variety of catalysts have been investigated for the production of C 2 H 4 by the oxidative dehydrogenation of ethane (ODE) in the last decade [2,3]. Track global current prices of 224 commodities including Diethyl Ether. Z-08-0318-08, Amendment To Title 27, Section 25705: No Significant Risk Level (NSRL) for Ethylbenzene; Notice of Proposed Rulemaking, Title 22, California Code of Regulations, Amendment to Section 12705. NIOSH (Ex. Values. 0, are calculated by dividing by six. kJ/mol: ICR: Reents and Freiser, 1981: gas phase; switching reaction,Thermochemical ladder(NO+)C2H5OH, Entropy change calculated or estimated; Farid and McMahon, 1978; M Jan 23, 2023 · The overall relative rates of reaction, referenced to benzene as 1. 벤젠 에 에틸기 (-C2H5)가 붙은 것으로서, 에틸렌 과 벤젠으로부터 합성한 것이다. Ethylbenzene is used as a solvent for rubber adhesives, varnishes, resins, paints and coatings. ETHYL BENZENE. Hence, we examined whether exposure to benzene is associated with increased CVD risk. Vapors are heavier than air and may travel to a source of ignition and flash back. 8014-179S. Quantity Value Units Method Reference Comment; T boil: 409. However, the market recovered significantly in the 2021-22 period Notice Of Addition Of Documents And Information To OAL Rulemaking File No. IUPAC Standard InChIKey: YNQLUTRBYVCPMQ-UHFFFAOYSA-N. What is the reaction mechanism of benzene diazonium salt with ethyl alcohol? Q. AE: Appearance energy: C p,gas: Constant pressure heat capacity of gas: C p,liquid: Constant pressure heat capacity of liquid: IE (evaluated) Recommended ionization energy Other names: Toluene, o-ethyl-; o-Ethylmethylbenzene; o-Ethyltoluene; o-Methylethylbenzene; 1-Ethyl-2-methylbenzene; 1-Methyl-2-ethylbenzene; 2-Ethyltoluene; ortho-Ethyltoluene; 1,2-Methylethylbenzene; 2-Ethylmethylbenzene; Toluene, 2-ethyl-; 2-Methyl-1-ethylbenzene; NSC 405731; 2-ethyl-3-methylbenzene Permanent link for this species. Et) is an alkyl substituent with the formula −CH2CH3, derived from ethane ( C2H6 ). Boiling point: 136°C. 60355. Ethylbenzene Price Chart. The market was negatively impacted by COVID-19 in 2020. 5 wt% min. Original catalysts were Friedel–Crafts-type catalysts AlCl 3 –HCl and BF 3 /Al 2 O 3, and silica-SPA. Other names: o-Chloroethylbenzene; 1-Chloro-2-ethylbenzene; 2-Ethylchlorobenzene Permanent link for this species. 53 mm Hg at 25 °C, and its octanol/water partition coefficient (log K Ethylbenzene (eth-il-BEN-zeen) is a colorless flammable liquid with a pleasant aromatic odor. The study deals with optimization of the process for the production of ethyl benzene by liquid-phase benzene alkylation. Other uses include as a solvent, in fuels, and to make other Eating foods or drinking fluids contaminated with high levels of benzene can cause vomiting, stomach irritation, dizziness, sleepiness, convulsions, and rapid heart rate. juiːn / ), also known as toluol ( / ˈtɒl. 75058. S. These fact sheets summarize the information on occurrence and health effects of the chemicals covered, presenting guideline values where these have been derived and the basis for Diethylbenzenes arise as side-products of the alkylation of benzene with ethylene, which can be described as two steps. LOTUS - the natural products occurrence database. 1-ethyl-2-methylbenzene is a member of the class of toluenes carrying an ethyl group at the ortho-position. Attacks plastics and rubber. chemical properties of ethylbenzene is located in Table 4-2. H304: May be fatal if swallowed and enters airways. Often, more than one name is acceptable and it is not uncommon to find the old names still in use as well. The common name of benzene-1,2-dicarboxylic acid is. How to convert Benzene into p nitrobenzaldehyde. Combustion. 5% in aromatics with the space-time yield of 119. Other names: Toluene, p-ethyl-; p-Ethylmethylbenzene; p-Ethyltoluene; p-Methylethylbenzene; 1-Ethyl-4-methylbenzene; 1-Methyl-4-ethylbenzene; 4-Ethyltoluene; 4-Methylethylbenzene; para-Ethyltoluene; Benzene, 1-methyl-4-ethyl-; 1,4-Methylethylbenzene; NSC 74177; 4-ethylmethylbenzene Permanent link for this species. 9 ppm. Some of these mono-substituted compounds (labeled in red and green), such as phenol or toluene, can be used in place of benzene for the chemical's base name. CAS Number. It is a colorless, water -insoluble liquid with the odor associated with paint thinners. Ethylbenzene Price Outlook. Molecular weight: 106. styrene manufacturing workers found the daily (8-hour time weighted) average exposures to ethylbenzene did not exceed 0. Exposure to high concentration can cause headache, dizziness, lightheadedness, and passing out. ‘ It takes about 3 days for ethylbenzene to be broken down in air into other Ethylbenzene reference substance for gas chromatography. What is the common name for C6H4ClCOCH3 ? (Cl is attached at Ortho position on benzene ring) Q. Follow mfr instructions. 0–6. (2-Methoxyethyl)benzene | C9H12O | CID 19089 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Ethyl benzene is an aromatic hydrocarbon and is also important in the petrochemical industry and as an intermediate in the production of styrene, which is utilized for making polystyrene, it is a common plastic material. 350 ºC. Mar 1, 2011 · Ethyl benzene is an aromatic hydrocarbon and is also important in the petrochemical industry and as an intermediate in the production of styrene, which is utilized for making polystyrene, it is a The Asian Ethyl Benzene market witnessed clear variations in price trends during the span of the last two quarters of 2023. Modify: 2024-07-13. g. Ethylbenzene anhydrous, 99. I mentioned in the last video that 99% of the aromatic compounds that you'll see in a chemistry or organic chemistry class is either going to be benzene or a molecule derived from benzene. This mixture is used in the paint industry, in insecticide sprays, and in petrol blends. So this is a carbon. ; benzene Toluene ( / ˈtɒl. Conventionally, the production of EB is based on the alkylation of C6 H 6 with pure C 2 H 4. ± 2. We'll start with the free radical bromination of alkyl benzenes. ju. Ethylbenzene is used primarily to make another chemical, styrene. 0 license and was authored, remixed, and/or curated by Jim Clark. ATSDR can also tell you the location of occupational and environmental health clinics. It is an aromatic hydrocarbon, that is, a compound consisting of carbon and hydrogen only with a molecular structure similar to that of benzene (C 6 H 6 ). Sep 8, 2017 · Benzene is a ubiquitous, volatile pollutant present at high concentrations in toxins (e. 3 ± 0. Ethylbenzene Market Analysis. Chemical Name. Ethyl Benzene 30/a, 6728381. Specific Regulatory Levels Posing No Significant Risk: Ethylbenzene. Information on this page: Mass spectrum (electron ionization) References; Notes; Other data available: Condensed phase thermochemistry data; Phase change data AE: Appearance energy: C p,gas: Constant pressure heat capacity of gas: C p,liquid: Constant pressure heat capacity of liquid: IE (evaluated) Recommended ionization energy Dec 31, 2018 · Benzene and ethylbenzene concentration steadily increases, as the combustion process progresses. 8 A) is a high-production aromatic hydrocarbon used principally in the production of styrene. It is used as a solvent; a constituent of asphalt and naphtha; and in synthetic rubber, fuels, paints, inks, carpet glues, varnishes, tobacco products, and insecticides. Phone: 1-800-CDC-INFO 888-232-6348 (TTY) Email: Contact CDC-INFO. Ethylbenzene is present in xylene mixtures at levels up to 15–20% (4). It acts as an intermediate in the preparation of styrene. Quantity Value Units Method Reference Comment; Δ r H°: 186. Workplace Exposure Limits OSHA: The legal airborne permissible exposure limit (PEL) is 에틸벤젠 ( 영어 : ethylbenzene )은 화학식 C 6 H 5 CH 2 CH 3 을 지니는 유기 화합물 로, 휘발유 와 비슷한 냄새가 나는 가연성 무색 액체이다. 6 strokes; approx 10-400 ppm range; uncertainty 16%. Other names: Toluene, m-ethyl-; m-Ethylmethylbenzene; m-Ethyltoluene; m-Methylethylbenzene; 1-Ethyl-3-methylbenzene; 1-Methyl-3-ethylbenzene; 3-Ethyltoluene; meta-Ethyltoluene; Benzene, 3-ethyl-1-methyl-; 1,3-Methylethylbenzene; 3-Ethyl-1-methylbenzene; 3-Ethylmethylbenzene; 3-Methylethylbenzene; NSC 74176 Permanent link for this species. Clearly, the alkyl substituents activate the benzene ring in the nitration reaction, and the chlorine and ester substituents deactivate the ring. Benzyl ethyl ether is a benzyl ether. Key IRIS. The liquid-phase EBOne process uses a fixed-bed UOP zeolite catalyst system, which provides a run-length of three to five years, thus Description. EPA, 1986) Basis: Nonclassifiable due to lack of animal bioassays and human studies. フェニルエタン (phenylethane)、 エチルベンゾール (ethylbenzol) とも呼ばれる。. Ethyl benzene (100-41-4) 33 ppm : 1100 ppm : 1800 ppm : LEL = 8000 ppm: indicates value is 10-49% of LEL. And so here is my alkyl benzene, so a benzene ring, and I have an alkyl group attached to that. 1-Bromo-4-ethylbenzene | C8H9Br | CID 15313 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities Quantity Value Units Method Reference Comment; T boil: 409. Chamblee, GA 30341-3717. Notice of Intent to List Chemicals: Five Chemicals. May 18, 2022 · Chapter 12 of the Guidelines for drinking-water Quality (GDWQ) includes fact sheets on chemical contaminants, based on comprehensive review documents published by WHO. Use this link for bookmarking this species for future reference. Exposure to higher levels can result in vertigo and dizziness. Information on this page: Reaction thermochemistry data; References Apr 14, 2021 · Gastec 122, 122L, 122DL. This apparent nucleophilic substitution reaction is surprising, since aryl halides are generally incapable of reacting by either an S N 1 or S N 2 pathway. Formula: C 8 H 10 /C 6 H 5 C 2 H 5. In organic chemistry, an ethyl group (abbr. Plans Starting at $299 USD /year. Benzene is a colorless liquid with a sweet odor. ld ai rx fy vm gm cf rd uh me