• Chlorobenzene (monochlorobenzene) and the three dichlorobenzenes are halogenated aromatic hydrocarbons primarily used in industrial and chemical synthetic processes. (cdc.gov)
  • Aliphatics and aromatics may contain a substituted halogen element and may be referred to as halogenated hydrocarbons, such as perchloroethylene (PCE or PER), trichloroethylene (TCE), and carbon tetrachloride. (medscape.com)
  • If alcohol has been consumed along with a halogenated hydrocarbon, particularly carbon tetrachloride, there is rapid onset and progression of symptoms. (brainkart.com)
  • Skin contact with many halogenated hydrocarbons, especially carbon tetrachloride can lead to dermatitis through defatting action. (brainkart.com)
  • Hydrocarbons, if ingested in large amounts, may be absorbed systemically and cause central nervous system (CNS) or hepatic toxicity, which is more likely with halogenated hydrocarbons (eg, carbon tetrachloride, trichloroethylene). (msdmanuals.com)
  • Table 1 lists common sources of organic solvent exposures. (medscape.com)
  • If patients are too obtunded to provide a history, hydrocarbon exposure may be suspected if their breath or clothing has an odor or if a container is found near them. (msdmanuals.com)
  • Hydrocarbon poisoning may result from ingestion or inhalation. (msdmanuals.com)
  • After ingestion of even a very small amount of liquid hydrocarbon, patients initially cough, choke, and may vomit. (msdmanuals.com)
  • The halogenated solvents are VOCs consisting of a hydrocarbon chain or one hydrocarbon substituted with one or more chlorine or bromine atoms. (cdc.gov)
  • Volatile organic compounds (VOCs) are a large group of chemicals that have been used as solvents, degreasers, and cleaning agents in industry and consumer products. (cdc.gov)
  • Most of these chemicals are used as degreasers and solvents in various products, such as paint. (cdc.gov)
  • Polyetherimide resists a wide range of chemicals including most hydrocarbons, alcohol's, and fully halogenated solvents. (reltekllc.com)
  • Most halogenated hydrocarbons are clear, colourless, non-inflammable liquids with sweetish, chloroform-like odour. (brainkart.com)
  • Isopropyl alcohol, water, hydrocarbon blends (Isopar), and modified alcohol all have a very low wetting indices. (bfksolutions.com)
  • Since intermolecular halogen bonding of haloarenes do occur in polar organic crystalline materials, the NMR solution data pose the question as to whether the absence of solvent shifts indicates the absence of strong halogen bonding in solution. (mst.edu)
  • ¹³C NMR Study of Halogen Bonding of Haloarenes: Measurements of Solvent Effects and Theoretical Analysis," Journal of the American Chemical Society , vol. 126, no. 13, pp. 4412 - 4419, American Chemical Society (ACS), Apr 2004. (mst.edu)
  • The effect of soil conditions on rate of biodegradation of hydrocarbons is addressed. (montana.edu)
  • While a solvent with a high wetting index can readily access the surfaces of the product, if the solubility parameters of that solvent do not match those of the soil you are trying to remove, all that solvent will do is stare blankly at the soil and say "duh" (metaphorically speaking). (bfksolutions.com)
  • A water soluble polymer is a polymer that can be diluted in water, with or without the assistance of co solvents and neutralizing agents, to form transparent solutions. (niir.org)
  • ISO 16035:2003 specifies a method for the determination of low-boiling halogenated hydrocarbons by means of static headspace gas chromatography. (iso.org)
  • Solvent effects on the 13 C NMR spectra are generally small, and this finding firmly establishes that the azine bridge indeed functions as a "conjugation stopper," an important design concept in our polar materials research. (mst.edu)
  • Methyl bromide, and possibly some other hydrocarbons, behave as alkylating agents and sulfhydryl enzyme inhibitors in mammalian tissues. (brainkart.com)
  • Organic solvents are a chemical class of compounds that are used routinely in commercial industries. (medscape.com)
  • Hydrocarbons, if ingested in large amounts, may be absorbed systemically and cause central nervous system (CNS) or hepatic toxicity, which is more likely with halogenated hydrocarbons (eg, carbon tetrachloride, trichloroethylene). (msdmanuals.com)
  • Volatile organic compounds (VOCs) are a large group of chemicals that have been used as solvents, degreasers, and cleaning agents in industry and consumer products. (cdc.gov)
  • The volatile halogenated hydrocarbons, the organic compounds containing atoms such as fluoride, bromide, iodide and chloride, besides carbon and hydrogen, have been extensively used as cleaning agents, solvents (e.g. (iwaponline.com)
  • 1991). Because of their volatility, these halogenated solvents generally do not persist in soil or water. (cdc.gov)
  • The term solvent refers to a class of organic chemicals of variable lipophilicity and volatility. (mhmedical.com)
  • In general, the lipophilicity of solvents increases with increasing numbers of carbon and/or halogen atoms, while volatility decreases. (mhmedical.com)
  • Most of these chemicals are used as degreasers and solvents in various products such as paints. (cdc.gov)
  • The wetting index is predictive for solvents that would be used in open-top liquid/vapor degreasers. (bfksolutions.com)
  • The hydrocarbon loses electrons and is oxidized while oxygen gains electrons and is reduced. (montana.edu)
  • Article on polycyclic aromatic hydrocarbon solute probes and the effect of dissolved oxygen and halogenated solvents on the emission spectra of select probe molecules. (unt.edu)
  • Leading Wholesaler of ar dry solvents, hplc methanol, karl fischer reagent, karl fischer reagents volumetric and coulometric reagents, ar/acs grade reagents and ar acs high purity acids from Ahmedabad. (hardichem.com)
  • Methanol is an organic solvent that can be synthesized from syngas in the presence of CuO/ZnO/Al2O3 catalysts. (hardichem.com)
  • However, HNBR is resistant to most forms of fuels and oils, whereas silicone is not compatible with a lot of hydrocarbon fuels. (jehbco.com.au)
  • Most of the halogenated hydrocarbons are classified as harmful to humans, since they are carcinogenic or mutant or toxic to aquatic organisms ( Gestis-Stoffdatenbank 2011 ). (iwaponline.com)
  • 1979). Fatty tissues can transiently accumulate these solvents, which are slowly released back into the blood stream. (cdc.gov)
  • Eye and respiratory tract irritation may occur with exposure to high vapor concentrations of most of these solvents, and allergic contact dermatitis has been reported following 1, 2-dichloroethane dermal exposure (Baruffini et al. (cdc.gov)
  • It was introduced decades ago as a teaching tool geared to vapor degreasing solvents. (bfksolutions.com)
  • 1. SUMMARY Methylene chloride (dichloromethane) is widely used as a multi- purpose solvent and paint remover. (inchem.org)
  • For solvents (organic solvents), the wetting index has become a widely accepted measure of wettability. (bfksolutions.com)
  • After ingestion of even a very small amount of liquid hydrocarbon, patients initially cough, choke, and may vomit. (msdmanuals.com)
  • Groundwater contamination by chlorinated hydrocarbons (CHC) is a common phenomenon that poses health risks to both humans and animals. (iwaponline.com)
  • Human health effects from these solvents at low environmental doses or at biomonitored levels from low environmental exposures are unknown. (cdc.gov)
  • A series of halogenated compounds was tested by oral intubation in 200 Osborne-Mendel rats and 200 B6C3F1 mice of both sexes. (nih.gov)