• The main volatile organic compounds found at gasoline stations are benzene, toluene, ethylbenzene, and xylene isomers (BTEX). (hindawi.com)
  • Regulatory Norm 7 (1978) provides that, in Brazil, biological monitoring of toluene and xylene is carried out by measuring the urinary metabolites hippuric acid (HA) and methylhippuric acid (MHA), respectively. (hindawi.com)
  • The objective of this study was to assess the exposure to toluene and xylene and to identify related signs and symptoms in gasoline station workers. (hindawi.com)
  • Gasoline station workers showed high levels of HA and MHA, reflecting high occupational exposure to the solvents toluene and xylene present in gasoline, demonstrating that changes in the current legislation and in the work environment are necessary to ensure better health protection for these workers. (hindawi.com)
  • This process, associated with gasoline distribution, can be an important source for emission of volatile organic compounds (VOCs) [ 2 ], with benzene, toluene, ethylbenzene, and xylene isomers (BTEX), the main volatile hydrocarbons originating from petroleum. (hindawi.com)
  • Ethylbenzene is classified as possibly carcinogenic to humans (Group 2B), while toluene and xylene have so far had poor evidence of carcinogenicity (Group 3) [ 7 ]. (hindawi.com)
  • Preparation of xylene: Xylenes are produced by dehydrocyclodimerization and by methylating of toluene and benzene. (lookchem.com)
  • Doh M.S.: Measurement of the Vapor-liquid Equilibria and the Excess Molar Volumes of Benzene, Toluene and p-Xylene Mixtures with Alcohols(C1-C4). (ddbst.com)
  • A typical application for the e GC can be single or multi chemical identification of specific hydrocarbons such as Benzene, Toluene, and Xylene in ambient air. (enmet.com)
  • Acute Exposures to p-Xylene and Toluene Alter Visual Information Processing (Journal Version). (epa.gov)
  • Long-Evans hooded rats were exposed to single doses of toluene (p.o.) at 0, 250, 500 and 1000 mg/kg, to p-xylene (p.o.) at 0, 125, 250, 500, 1000 and 2000 mg/kg, and to inhalation of p-xylene for 4 hrs at 0, 800 or 1600 ppm. (epa.gov)
  • The data indicated a significant depression in amplitude of FEP peak N3 at 250 mg/kg and higher dosages of toluene and p-xylene. (epa.gov)
  • The effects produced by oral administration of 500 mg/kg p-xylene or toluene lasted at least 8 hr, while the effect of inhaled p-xylene dissipated within 75 min of removal from the exposure. (epa.gov)
  • The effects of p-xylene and toluene on FEPs, while indicative of altered processing of visual information, may be secondary to changes in arousal or excitability. (epa.gov)
  • Applicable to products which consist essentially of xylene isomers ÄC6H4 -(CH3 )2 Ü and ethylbenzene (C6H5 -C2 H5). (iso.org)
  • The process examined is a typical xylene isomerization process with ethylbenzene (EB) isomerization. (intratec.us)
  • The remaining xylenes as well as the ethylbenzene are isomerized and the product from isomerization is recycled to the adsorption unit. (intratec.us)
  • ATSDR has derived inhalation and oral MRLs that apply to mixed xylenes and the individual isomers. (cdc.gov)
  • Via the Isomar process, the ratio of isomers can be shifted to favor p-xylene, which is most valued. (lookchem.com)
  • Q-Xylene is one of three isomers of commercial xylene. (wisconsin.edu)
  • China Monthly Earnings stood at 1,336 USD in Dec 2022, compared with the previous figure of 1,393 USD in Dec 2021 See the table below for more data. (ceicdata.com)
  • Xylenes are solvents used in industrial and consumer products, such as cleaning agents and paint thinners. (ewg.org)
  • Uses of xylene: Like other solvents, Xylene (CAS NO.1330-20-7) is also used as an inhalant drug for its intoxicating properties. (lookchem.com)
  • Material and methods: Four solvents were tested: xylene, eucalyptol, orange oil and chloroform. (bvsalud.org)
  • The nonaromatic hydrocarbons, acid wash color, copper corrosion, appearance, distillation range, initial distillation temperature, and dry point of nitration grade xylene shall be tested to meet the requirements prescribed. (astm.org)
  • Chronic exposure to xylene can cause liver and kidney damage, with increased blood urea levels, pulmonary congestion, respiratory failure, and hepatomegaly [ 9 ]. (hindawi.com)
  • This limit may not fully protect against harm to the brain and nervous system due to xylene exposure. (ewg.org)
  • Workers may be harmed from exposure to xylene. (cdc.gov)
  • The following resources provide information about occupational exposure to xylene. (cdc.gov)
  • Title : Occupational exposure to xylene Personal Author(s) : Hardin, Bryan D. Corporate Authors(s) : National Institute for Occupational Safety and Health. (cdc.gov)
  • Recommendations are made for a standard of occupational exposure to xylene (1330207), based on the health effects of exposure to the solvent. (cdc.gov)
  • There are no data to quantify variability in susceptibility to the effects of exposure to 3a,4,7,7a-tetrahydro-4,7-methanoindene in the human population. (europa.eu)
  • A similar depression in peak N3 amplitude was observed following inhalation exposure to 1600 ppm p-xylene. (epa.gov)
  • This study used data from the National Health and Nutrition Examination Survey (NHANES) from 1999-2004 to analyze data on hearing outcomes and organic solvent exposure. (cdc.gov)
  • Data from the Occupational Information Network (O*NET) was used to approximate occupational noise exposure in study participants based on their job. (cdc.gov)
  • Xylene (C 8 H 10 ) is a colorless, flammable liquid with a sweet odor. (cdc.gov)
  • A xylene is an aromatic hydrocarbon consisting of a benzene ring with two methyl substituents. (lookchem.com)
  • This specification covers nitration grade xylene. (astm.org)
  • 1.1 This specification covers nitration grade xylene. (astm.org)
  • 1.4 Consult OSHA regulations, supplier's Material Safety Data Sheets, and local regulations for all materials used in this specification. (astm.org)
  • The Office of Research and Standards Development, National Institute for Occupational Safety and Health, had primary responsibility for development of the criteria and the recommednded standard for xylene. (cdc.gov)
  • A chronic-duration inhalation MRL of 0.05 ppm is based on a LOAEL of 14 ppm (geometric mean) for mild subjective respiratory and neurological symptoms in workers exposed to 70% xylene 8 hours/day, 5 days/week for 1-7 years (Uchida et al. (cdc.gov)
  • Evaluation of xylene recovery distillation columns for improving operating performance. (processengr.com)
  • A continuous area of the process involves the recovery of xylene, an organic solvent, utilizing two distillation columns in series. (processengr.com)
  • NIOSHTIC-2 search results for xylene -NIOSHTIC-2 is a searchable database of worker safety and health publications, documents, grant reports, and journal articles supported in whole or in part by NIOSH. (cdc.gov)
  • In the mobile examination centers (MECs) and analytical laboratories, data for the laboratory component is recorded directly onto a computerized data collection form. (cdc.gov)
  • This page provides supplementary chemical data on p-xylene. (wikipedia.org)
  • If you work in an industry that uses xylene, please read chemical labels and the accompanying Safety Data Sheets for hazard information. (cdc.gov)
  • IEA, Primary chemical production in the Sustainable Development Scenario, 2000-2030 , IEA, Paris https://www.iea.org/data-and-statistics/charts/primary-chemical-production-in-the-sustainable-development-scenario-2000-2030, IEA. (iea.org)
  • Our business is about providing up-to-date and independent studies detailing production costs of chemicals and utilities, as well as chemical commodities and utilities pricing data. (newswire.com)
  • View our Safety Data Sheets, Product Archives and more. (enmet.com)
  • Here you can download our safety data sheets and product brochures with all language versions available. (kiilto.com)
  • Conclusion: Chloroform and xylene showed similar results regarding the rate of dissolution of gutta-percha, yet they were statistically significant higher than eucalyptol and orange oil from 1 to 5 minutes. (bvsalud.org)
  • In this process, p-Xylene is recovered from a mixture of C8 aromatics via an adsorption unit. (intratec.us)
  • The legal limit for xylenes, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s. (ewg.org)
  • Since comparative data on toxicity of the several forms of xylene to aquatic life are limited and inconclusive, all forms are considered equal for the purpose of the following ecological effect statments. (wisconsin.edu)
  • An acute-duration inhalation MRL of 2 ppm is based on a minimal LOAEL of 50 ppm (217 mg/m3) for mild objective and subjective respiratory effects and subjective neurological effects in subjects exposed to m- xylene vapor for 2 hours (Ernstgard et al. (cdc.gov)
  • No study by dermal route available, data derived from a well-conducted subchronic 90 day inhalation study in mouse and rat. (europa.eu)
  • Automated data collection procedures for the survey were introduced in NHANES 1999-2000. (cdc.gov)
  • DSN: CC37.NCME.Y7284 ABSTRACT The North Carolina Medical Examiner (NCME) Deaths data include all deaths investigated by the North Carolina Medical Examiner's Office from 1972 through 1984. (cdc.gov)
  • MgY produced essentially xylenes and alkylated C9+ compounds. (tue.nl)
  • A xylene is any of a group of very similar organic compounds. (lookchem.com)
  • Xylene is used as a solvent, as a raw material for the production of organic chemicals used in the manufacture of polyester fibers, and in the manufacture of dyes. (wisconsin.edu)
  • The number of study participants included in this study was 2,513, but the sample size varied by analysis as the available data for each organic solvent and outcome varied. (cdc.gov)
  • In biochemistry, xylene is also used for making slides of specimens hydrophobic in preparation for coverslip mounting. (lookchem.com)
  • This work was supported in part by the National Science Foundation ( www.nsf.gov ) (IOS 165518 and IOS 2042100 - P.S., MRSEC 2011846 to Brandeis University), and the National Institutes of Health ( www.nih.gov ) (R35 GM122463 - P.S., F31 DC015186 - A.H.H.). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. (plos.org)
  • For more data or any further information please search the DDB or contact DDBST . (ddbst.com)
  • You can search by location and insurance to easily book a {{exam_data.exam_title}} near you. (labfinder.com)
  • Intratec offers very cost-effective subscription plans, designed for not only professionals needing continuous access to Xylene pricing data but also users with a sporadic need to access such information. (newswire.com)
  • The three isomeric xylenes each have a molecular formula of C 8 H 10 , though the more informative semi-structural formula C 6 H 4 (CH 3 ) 2 is also used commonly. (lookchem.com)
  • The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition . (ddbst.com)
  • It may deviate from the actual experimental data. (sielc.com)
  • The experimental data are available upon request. (sielc.com)
  • Kinetic deactivation parameters were determined by modeling experimental data with a deactivation model with residual activity (DMRA). (tue.nl)
  • The international and national regulations and guidelines regarding xylenes in air, water, and other media are summarized in Table 8-1. (cdc.gov)
  • Get updates on the IEA's latest news, analysis, data and events delivered twice monthly. (iea.org)
  • e GC reports all of the analysis data including weather wind speed and direction with GIS position. (enmet.com)
  • This report presents an up-to-date, detailed cost analysis of para-Xylene production from mixed xylenes with o-xylene co-production. (intratec.us)
  • Houston, TX, August 17, 2017 (Newswire.com) - Intratec Solutions LLC, leading provider of chemicals and utilities pricing data and production cost reports, is pleased to announce that its online database now covers price forecasts of Xylene. (newswire.com)
  • Intratec ( www.intratec.us ) is a leading provider of chemicals and utilities pricing data and production cost reports. (newswire.com)
  • Study participants were excluded if they had bilaterally unsymmetrical hearing loss , missing data on covariates, or detectable blood measurements that exceed the calibrated range of assay. (cdc.gov)
  • Data was pooled from two independent biological replicates, which included separate parental crosses and were collected on different days. (elifesciences.org)
  • Lange's Handbook of Chemistry 10th ed, pp 1522-1524 "Binary Vapor-Liquid Equilibrium Data" (Queriable database). (wikipedia.org)
  • The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. (nist.gov)
  • The database covers Xylene price histories in the USA, Europe, and Asia, from 2007 to the present, as well as price forecasts. (newswire.com)
  • Customer support for NIST Standard Reference Data products. (nist.gov)
  • NIST subscription sites provide data under the NIST Standard Reference Data Program , but require an annual fee to access. (nist.gov)
  • Market Data, Sourcing & Supplier Intelligence, and Price & Cost Benchmarking. (beroeinc.com)
  • Through online charts updated monthly, professionals interested in Xylene pricing data can gain a solid understanding of price trends, in different global regions. (newswire.com)
  • It has a large external digital color display and audio alarm, and a data logger for OSHA compliance recordkeeping. (enmet.com)
  • The EWG Health Guideline of 1,800 ppb for xylenes was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. (ewg.org)
  • It presents the economics of a typical process for p-Xylene production from mixed xylenes in the United States. (intratec.us)
  • In addition, a modifying factor of 10 was applied to account for the lack of testing for sensitive neurological effects and lack of developmental and multi-generational data. (cdc.gov)
  • The recovery operation was not operating as designed, resulting in the loss of large quantities of xylene. (processengr.com)
  • For commodity codes and descriptions use the 'Find commodity data' link. (uktradeinfo.com)
  • Follow the links above to find out more about the data in these sites and their terms of usage. (nist.gov)
  • Just choose your location and enter your insurance information to find the closest {{exam_data.exam_title}} near you. (labfinder.com)
  • Xylene may enter the aquatic environment via industrial effluents, municipal treatment plant discharges, or spills. (wisconsin.edu)
  • This box: view edit Except where noted otherwise, data relate to Standard temperature and pressure. (wikipedia.org)
  • From the data, accurate water/surfactant compositions vs. temperature phase diagrams are obtained. (lu.se)
  • For information about licensing EWG data and analyses, contact permissionrequests[at]ewg.org. (ewg.org)