Pentachlorophenols
WebThe production of pentachlorophenol is based on the chlorination of phenol at a temperature between 65 and 200 0., preferably a maximum of C., in the presence of the described catalysts. The process consists in a successive replacement of five hydrogen atoms combined with the five carbon atoms of the benzene ring by five chlorine atoms. Pentachlorophenol (PCP) is an organochlorine compound used as a pesticide and a disinfectant. First produced in the 1930s, it is marketed under many trade names. It can be found as pure PCP, or as the sodium salt of PCP, the latter of which dissolves easily in water. It can be biodegraded by some bacteria, … Zobraziť viac PCP has been used as a herbicide, insecticide, fungicide, algaecide, and disinfectant and as an ingredient in antifouling paint. Some applications were in agricultural seeds (for nonfood uses), leather, masonry, Zobraziť viac People may be exposed to PCP in occupational settings through the inhalation of contaminated workplace air and dermal … Zobraziť viac PCP is quickly absorbed through the gastrointestinal tract following ingestion. Accumulation is not common, but if it does occur, the major sites are the liver, kidneys, plasma protein, spleen, and fat. Unless kidney and liver functions are impaired, PCP is … Zobraziť viac PCP can be produced by the chlorination of phenol in the presence of catalyst (anhydrous aluminium or ferric chloride) and a temperature up to about 191 °C. This process … Zobraziť viac Short-term exposure to large amounts of PCP can cause harmful effects on the liver, kidneys, blood, lungs, nervous system, immune system, and gastrointestinal … Zobraziť viac PCP has been detected in surface waters and sediments, rainwater, drinking water, aquatic organisms, soil, and food, as well as in human milk, adipose tissue, and urine. As PCP is … Zobraziť viac In May 2015, countries which have signed the Stockholm Convention voted 90–2 to ban pentachlorophenol use. The United States is not a signatory and has not banned the … Zobraziť viac
Pentachlorophenols
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WebIl pentaclorofenolo viene prontamente assorbito per ingestione, inalazione o attraverso la cute, ed è eliminato attraverso le urine, in forma immodificata o come metabolita ossidato (tetracloroidrochinone) libero o coniugato. Solo circa il 4% di una dose assorbita viene eliminato attraverso le feci. WebWenn nicht anders vermerkt, gelten die angegebenen Daten bei Standardbedingungen . Pentachlorphenol (kurz PCP) ist ein chlorierter, aromatischer Kohlenwasserstoff und stellt ein Phenol -Derivat dar, bei dem alle aromatischen Wasserstoffatome durch Chlor …
Web21. dec 2024 · Pentachlorophenol is a severe acute toxicant by ingestion and dermal penetration. The compound and its alkali salts can produce local and systemic effects. The symptoms of acute toxicity are headache, dizziness, sweating, nausea, vomiting, dyspnea, chest pain, weakness, fever, collapse, convulsions, and heart failure. Web2. feb 2024 · Pentachlorophenol (PCP) and sodium pentachlorophenate (PCP-Na) are both organochlorine pesticides. Excessive use of PCP-Na can cause water and soil pollution. In this study, a new method was established to verify the residual amount of PCP-Na in samples through the combination of PAX solid-phase extraction and ultra-high …
Web4. okt 2024 · Santé Canada publie la présente note de réévaluation afin d'informer la population générale de la révocation de l'homologation de tous les produits contenant du pentachlorophénol, au titre du paragraphe 22 (3) de la Loi sur les produits antiparasitaires, ainsi que du fondement de la période d'abandon graduel.
WebHere you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): ECHA Legislations. Other chemical legislations. Expand all Collapse all.
WebEl pentaclorofenol impuro (el tipo que se suele encontrar en los sitios de desechos peligrosos) es de color marrón o gris oscuro y puede tener forma de polvo, gránulos o escamas. Esta sustancia química se usaba ampliamente como pesticida y como preservante de madera. Desde 1984, solo lo pueden comprar y usar personas certificadas … motorcycles fayetteville arWebAll mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program. motorcycles flWebEstudios recientes han demostrado que Rhodanobacter sp. B04 tiene efectos beneficiosos en la salud humana. Por ejemplo, se ha observado que esta bacteria es capaz de reducir los niveles de colesterol en sangre y prevenir la obesidad. Además, se ha demostrado que puede mejorar la digestión de ciertos alimentos y aumentar la absorción de ... motorcycles for 10 year olds for saleWebPentachlorophenol is very toxic to fish 6,7 (see also Sigma-Aldrich's MSDS data, Index-no: 604-002-00-8, pentachlorophenol has an LC 50 for rainbow trout of 0.075 mg L −1, 96.0 h).It was initially used in aquaculture as a pond-cleaning reagent to control grubs, which often plague pond-reared fishes. 8 Although the use of pentachlorophenol as a molluscicide in … motorcycles duke 200 inWebPred 1 dňom · La loi de Clare, qui permettra aux personnes inquiètes pour leur sécurité de se renseigner discrètement sur les antécédents criminels de leur partenaire, sera bientôt en vigueur à Terre ... motorcycles foot pegsWeb中文名:五氯苯酚,英文名:Pentachlorophenol,CAS:87-86-5,用作农药分析标准物质.五氯酚.性质:化学式:C6HCl5O,分子量:266.34,密度:1.978g/mLat 25°C(lit.),熔点:165-180°C(lit.),沸点:310°C(lit.),闪点:11°C,水溶性:80 mg l-1(30 °C),蒸汽压:40 mm Hg ( 211.2 °C),折射 … motorcycles for 11 year olds boysWebPentaklorfenol. Pentaklorfenol ( PCP ), med den kemiska formeln C 6 HCl 5 O, är en klorerad aromatisk fenol som är starkt giftig för alger, bakterier och svampar. Det började produceras på 1930-talet, och marknadsförs under många olika handelsnamn. Det finns som ren PCP, eller som natriumsalt av PCP, det senare lättlösligt i vatten. motorcycles for 4\u002711 woman