• The newer quaternary ammonium compounds (i.e., fourth generation), referred to as twin-chain or dialkyl quaternaries (e.g. didecyl dimethyl ammonium bromide and dioctyl dimethyl ammonium bromide), purportedly remain active in hard water and are tolerant of anionic residues. (rrsmed.ir)
  • Refer to the Quaternary ammonium salts (QAS) category or section 13 of IUCLID for details on the category justification. (europa.eu)
  • Each compound exhibits its own antimicrobial characteristics, hence the search for one compound with outstanding antimicrobial properties. (rrsmed.ir)
  • Chemically, the quaternaries are organically substituted ammonium compounds in which the nitrogen atom has a valence of 5, four of the substituent radicals (R1-R4) are alkyl or heterocyclic radicals of a given size or chain length, and the fifth (X-) is a halide, sulfate, or similar radical. (rrsmed.ir)
  • In organic chemistry , Betaine (N,N,N-trimethylglycine), as an organic compound , is an inner salt trimethyl ammonium compound . (wellnessadvocate.com)
  • In our body, Betaine is a naturally occurring compound that plays a role in osmoregulation. (wellnessadvocate.com)
  • et al "Concentrations of choline-containing compounds and betaine in common foods" J Nutr. (wellnessadvocate.com)
  • Numerous in vitro experiments have indicated that betaine acts as an osmoprotectant by stabilizing both the quaternary structure of proteins and cellular membrane against the adverse effects of high salinity and extreme temperatures ( Gorham, 1995 ). (scialert.net)
  • Glycinebetaine (N, N, N-trimethylglycine) is a quaternary ammonium compound that occurs naturally in a wide variety of plants, animals and microorganisms ( Rhodes and Hanson, 1993 ). (scialert.net)
  • Disinfectant agents refer to the germ-killing compounds that are used on non-living surfaces or things. (powershow.com)
  • These results demonstrate the potential for development of irritation and hypersensitivity responses to DDAC following dermal exposure and raise concerns about the use of this chemical and other quaternary ammonium compounds that may elicit similar effects. (cdc.gov)
  • QUATERNARY AMMONIUM COMPOUNDS International Programme on Chemical Safety Poisons Information Monograph G022 (Group PIM) Chemical 1. (inchem.org)
  • The quaternary ammonium compounds show a variety of physical, chemical, and biological properties and most compounds are soluble in water miscible solvents. (inchem.org)
  • Compound groups are groups of chemicals that share structural or chemical features. (pharosproject.net)
  • Health-care-associated infections have been reported from contaminated quaternary ammonium compounds used to disinfect patient-care supplies or equipment, such as cystoscopes or cardiac catheters. (rrsmed.ir)
  • Quaternary ammonium compounds can cause toxic effects by all routes of exposure including inhalation, ingestion, dermal application and irrigation of body cavities. (inchem.org)
  • In certain cases, a single compound can act as an antiseptic and a disinfectant, which totally depends on the concentration of the drug, the number of organisms, exposure condition, and others. (powershow.com)
  • Some fatty acid compounds used in skin care products and fabric softeners are comedogenic, for example, linseed oil, coconut oil, and cocoa butter. (acne.org)
  • Compound groups are useful because in some cases, lists will instead identify a group of structurally similar compounds (such as lead compounds) as all having the same hazard. (pharosproject.net)
  • The table below indicates how each compound group is populated, and what is the status of its population. (pharosproject.net)
  • This compound group has not yet been assigned a structural definition. (pharosproject.net)
  • This compound group is defined by the SMILES string 'C(=O)(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)O'. For more information on SMILES, see https://en.wikipedia.org/wiki/Simplified_molecular-input_line-entry_system . (pharosproject.net)
  • 2021. Altered toxicological endpoints in humans from common quaternary ammonium compound disinfectant exposure. (ewg.org)
  • Although potassium permanganate has been used for taste- and-odor improvement for many years, only recently has this compound been considered as a disinfectant for newly laid mains, replacing such standard disinfecting agents as chlorine or hypochlorite solution. (researchgate.net)
  • The best-known quaternary compounds are quaternary ammonium salts, having a nitrogen atom at the centre. (wikipedia.org)
  • Refer to the Quaternary ammonium salts (QAS) category or section 13 of IUCLID for details on the category justification. (europa.eu)
  • 2016. Identification of Environmental Quaternary Ammonium Compounds as Direct Inhibitors of Cholesterol Biosynthesis. (ewg.org)
  • 11. Identification and characterization of a compound that protects cardiac tissue from human Ether-à-go-go-related gene (hERG)-related drug-induced arrhythmias. (nih.gov)