pentachlorophenol smell

EWG Tap Water Database | Pentachlorophenol Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (27 pp, 261 K) Oral Slope Factor: 4 x 10 -1 per mg/kg-day. Pentachlorophenol is a colorless to white, sand-like solid. GCMS tuning solution which contains pentachlorophenol (PCP), DFTPP, Benzidine, and 4,4'-DDT @ ~ 50g/mL has been used as a tune check for many years. Basis: Under the Guidelines for Carcinogen Risk Assessment (U.S. EPA, 2005a), PCP is "likely to be carcinogenic to humans." This may be a synopsis of the full weight-of-evidence narrative. Pentachlorophenol: Wood Preservative Causing Personal Injury and It is a man-made chemical that is not found naturally in the environment. EPA Officially Bans Utility Pole Preservative 'Penta' - T&D World Please see the following for information about the library and its accompanying search program. [Note: An oral dose of 401 mg/kg is equivalent to a worker being exposed to about . Pentachlorophenol - Cleanup Methods Pentachlorophenol was widely used as a pesticide and wood preservative. Until further testing has been done, it should be treated as a possible teratogen in humans. The U.S. EPA has canceled the registration for pentachlorophenol, or "Penta," a wood preservative utilized primarily on utility poles that has been in use for decades. Extoxnet Pip - Pentachlorophenol (Pcp) It has a pungent odor when hot and is used in making pesticides and fungicides, and as a wood preservative.. What is pentachlorophenol used for? The mobile phase contains an acetonitrile (MeCN), water, and phosphoric acid. Pentachlorophenol (PCP) is an organochlorine compound with a solid white appearance and needle-like crystals. PENTACHLOROPHENOL | Occupational Safety and Health Administration Exposures to chlorophenols and their salts have occurred in their production, in the production of some phenoxy acid herbicides, in the wood industry, the textile industry and tanneries. MDL number: MFCD00002162. What does pentachlorophenol smell like? Pentachlorophenol was widely used as a pesticide and wood preservative. Chlorophenols are produced by electrophilic halogenation of phenol with chlorine.

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Pentachlorophenol (PCP) is a restricted use pesticide that can only be used by professionals. Pentachlorophenol (PCP) is an industrial wood preservative used mainly to treat utility poles and cross arms. Pentachlorophenol (PCP) is an organochlorine wood preservative used to treat utility poles in the United States. Olfactory threshold (mg/l) 0.03 (in water). PCP of 98% purity has been described as cream-colored, while technical-grade PCP is pale brown in color ( NTP, 1989 ). The following filters may also be used: N99, R99, P99, N100, R100, P100. PCP is considered a "probable human carcinogen" by the U.S. Environmental Protection Agency (EPA). Pentachlorophenol (PCP) is a chlorinated derivative of phenol with empirical formula C6 Cl 5 OH and molecular weight 266.34. Name: Pentachlorophenol. Pentachlorophenol can be found in two forms: pentachlorophenol itself or as the . Penta is "cheap, easy, and effective," explains Philip Ford, director of technical sales and quality conformance at American Borate, which makes wood preservatives for other applications.
Pentachlorophenol is classified as a substance considered to be carcinogenic for man (Carcinogenicity category 2) [8]. Pentachlorophenol is on its way out as a utility pole preservative Its solubility in water is 0.0014 g/100 mL. Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (27 pp, 261 K) Oral Slope Factor: 4 x 10 -1 per mg/kg-day Pentachlorophenol is a manufactured organic chemical not found naturally in the environment. "This is the beginning of the end of pentachlorophenol," said Pam Miller, Alaska Community . PENTACHLOROPHENOL (ISO) 2908.11.00 000. Removal of pentachlorophenol (PCP) from wastewater containing chlorophenols, due to its toxicity, mutagenic and carcinogenic properties, has been attracted much interests of researchers. Pentachlorophenol removal from aqueous solutions using - SpringerLink Pentachlorophenol Molecular Formula CHClO Average mass 266.336 Da Monoisotopic mass 263.847015 Da ChemSpider ID 967 More details: Featured data source Names Properties Searches Spectra Vendors Articles More Names and Synonyms Database ID (s) Validated by Experts, Validated by Users, Non-Validated, Removed by Users 1285380 [Beilstein] Pentachlorophenol Contamination of Private Drinking Water From Treated What does pentachlorophenol smell like? Technical grade pentachlorophenol contains many impurities, depending on the manufacturing method used. This month, EPA followed through on the ban, which . Properties. In an artificial stream, microbial degradation became significant after 3 weeks and accounted for 26-46% removal. At room temperature, pentachlorophenol has no odor, but when heated, it has a strong medicinal odor described as a sweet or burnt smell. Certified Reference Material (CRM) Yes Max Shelf Life on Ship Date Pentachlorophenol in solution can be readily absorbed through intact skin in toxic amounts, causing systemic poisoning and symptoms described in the Inhalation section above. Chlorophenol - Wikipedia Pentachlorophenol - PubMed Molecular formula C 6 HCl 5 O Formula weight 266.3 g/mol Family Phenolic compounds Properties (at room temperature where applicable) Environmental behaviour At 20 0C, pentachlorophenol is a solid with very low volatility and moderate solubility. Since 1984, the purchase and use of PCP have been restricted to certified applications. Odour threshold (mg/l) 1.6 (in water). Overexposure can cause death. (APF = 10) Any air-purifying half-mask respirator with organic vapor cartridge (s) in combination with an N95, R95, or P95 filter. * Long-term contact can cause an acne-like . pentachlorophenol aluminum color copper Prior art date 1970-08-25 Legal status (The legal status is an assumption and is not a legal conclusion. PCP is applied using pressure and high temperatures in specialized treatment cylinders.

Pentachlorophenol - an overview | ScienceDirect Topics Pure pentachlorophenol exists as colorless or white crystals. PDF Pentachlorophenol: Toxicology and Environmental Fate Pentachlorophenol certified reference material, 5000ug/mL methanol 87-86-5 Pentachlorothiophenol | C6HCl5S - PubChem Pentachlorophenol (PCP) is an industrial wood preservative used mainly to treat utility poles and cross arms. Loss of pentachlorophenol. - Chromatography Forum Pentachlorophenol occurs in two forms: the anionic phenolate at neutral to alkaline pH; and the undissociated phenol at acidic pH. It is used as a wood preservative for making utility poles, railroad ties, and wharf support pilings. Aldrich-P2604; Pentachlorophenol 0.97; CAS Number: 87-86-5; Linear Formula: C6Cl5OH; find related products, papers, technical documents, MSDS & more at Sigma-Aldrich. (1) Impure pentachlorophenol is dark gray to brown and exists as dust, beads, or flakes. PDF Contaminants and Remedial Options at Wood Preserving Sites - CLU-IN Impure pentachlorophenol (the form usually found at hazardous waste sites) is dark gray to brown and exists as dust, beads, or flakes. As a wood preservative, pentachlorophenol acts as both a fungicide and insecticide (Freiter, 1978). adsorption of pentachlorophenol/phenate (5 mg/l) diminishes markedly at ph values above the pka of this weak acid (equal to 5.9 : 0.1) when the pentachlorophenol exists almost entirely in ionic form in aqueous solution, and is enhanced at low ph when the percentage of molecular species (whose concentration can be determined from pka value) What is pentachlorophenol used for? It can be found in two forms: PCP itself or as the sodium salt of PCP, which dissolves easily in water. It is moderately toxic via inhalation as well, with a reported inhalation LC50 of 0.2 to . Pentachlorophenol | ToxFAQs | ATSDR - Centers for Disease Control There are five basic types of chlorophenols (mono- to pentachlorophenol) and 19 different chlorophenols in total when positional isomerism is taken into account. It harms developing fetuses, and causes immune suppression and hormone disruption. PDF measured in the urine, serum, hair, adipose tissue, and infant meconium US3769353A - Preparation of pentachlorophenol - Google Patents Pentachlorophenol supplier | CasNO.87-86-5 - lookchem * Pentachlorophenol may damage the developing fetus. Smaller 3 m particles columns available for fast UPLC applications. Pure pentachlorophenol occurs as a colorless or white powder with a crystalline structure that has a sharp chemical odor when hot, but very little smell at room temperature. It has a pungent odor when hot and is used in making pesticides and fungicides, and as a wood preservative. Uses The greatest use of pentachlorophenol is as a wood preservative (fungicide). In its purest form, pentachlorophenol is a colorless crystal. What Does Pentachlorophenol Smell Like? CiteSeerX Pentachlorophenol - Pennsylvania State University Where to find pentachlorophenol? - earji.staffpro.net Where can pentachlorophenol be found? - Daily Justnow Pentachlorophenol | SIELC As pentachlorophenol is relatively immobile in the environment, migration of pentachlorophenol beyond the immediate area of a pole is unlikely when properly treated poles are installed. The US National Toxicology Program lists pentachlorophenol as a "reasonably anticipated" human carcinogen. It is a kind of odourless white or light brown powder or crystals, and incompatible with strong bases, acid chlorides and acid anhydrides. The HPLC elution program was optimized to obtain the best peak shape and resolution. Pentachlorophenol | C6Cl5OH or C6HCl5O | CID 992 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . PDF Technical Factsheet on: PENTACHLOROPHENO - US EPA For Mass-Spec (MS) compatible applications the phosphoric acid needs to be replaced with formic acid. (USCG, 1999) Reactivity Profile PENTACHLOROPHENOL may react with strong oxidizing agents. Pentachlorophenol | C6Cl5OH - PubChem Humans are usually exposed to impure pentachlorophenol (also called technical grade pentachlorophenol). This in turn accounts for a significant exposure of the general human population, with rather high exposure levels being attained in Phenol, pentachloro- - NIST Pentachlorophenol - American Chemical Society grade. 3 and . begin to smell pentachlorophenol in water at less than 12 parts pentachlorophenol per million parts of water (ppm). Pentachlorophenol can be analyzed by this reverse phase (RP) HPLC method with simple conditions. Pentachlorophenol - an overview | ScienceDirect Topics Pentachlorophenol: Health and Environmental Effects Profile All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Summary of Data Reported and Evaluation. The miscellaneous mill uses primarily involve the application of pentachlorophenol as a slime reducer in paper and pulp milling and may constitute 6% of the total annual consumption of pentachlorophenol (Crosby et al., 1981). It is marketed under the trade names, Santophen, Pentachlorol, Chlorophen, Chlon, Dowicide 7, Pentacon, Penwar, Sinituho and Penta among others. pentachlorophenol (usually found at hazardous sites) is dark gray to brown and exists as dust, beads, or flakes. In mice the oral LD50 is 74 to 130 mg/kg, and in rabbits 70 to 300 mg/kg [69,70[. Pentachlorophenol exists as colorless or white crystals (when pure) with a sharp, phenolic odor when hot, but very little odor at room temperature. The Committee justified its recommendation for the Stockholm Convention due to pentachlorophenol's persistence, bioaccumulation, long-range transport, and its toxic impacts. Polychlorophenols and Their Sodium Salts Half-life in soil is approximately weeks to months. During the method development, it was found that the pH of the mobile phase has an obvious influence on the retention time and peak shape of pentachlorophenol and niclosamide; when the elution strength was increased too rapidly to 90% methanol, niclosamide and fenpropathrin had similar retention times and this . According to the Environmental Protection Agency, PCP is a possible human carcinogen. Pentachlorophenol CAS RN: 87-86-5 Protective Equipment / Clothing. Pentachlorophenol - Centers for Disease Control and Prevention The presence of such compounds, even at low concentration, can cause unpleasant taste and smell in drinking water . The chemical compound which was first produced in the 1930s has a phenolic smell. Abstr. 0 Pentachlorophenol in petroleum or other solvents 0 Creosote 0 Fire retardants -0 Water or ammonia solutions of copper, chromium, arsenic, and zinc Older wood preserver sites contain widespread soil, sediment, and sludge contamination generated by processes, practices, equipment leaks, storage, and waste treatment. Select Deselect: Catalog # 31297 Product Name Pentachlorophenol CAS Number 87-86-5 Conc. PDF Public Health Statement Pentachlorophenol Cas#: 87-86-5 Recently, pentachlorophenol has gone missing (just isn't there) in the check on two instruments, but it's there on a third. Click here for information on selection of N, R, or P filters.*. In its pure form, pentachlorophenol has a strong phenolic odor. Product type Comments IFRA Subcategory Flavour use Phototoxicity IFRA category QRA1 - 48th Amendment; Candles of all types (including encased) Due to the expected negligible ski Most chlorophenols are solid at room temperature. Pentachlorophenol CASRN 87-86-5 | DTXSID7021106 | IRIS | US EPA, ORD Pentachlorophenol is readily absorbed through intact skin. Wood Preservatives and Pressure Treating Pentachlorophenol CASRN 87-86-5 | IRIS | US EPA, ORD Pentachlorophenol (PCP) is a synthetic substance made from other chemicals and does not occur naturally in the environment. PubChem Substance ID: 24864934. At one time, it was one of the most widely used biocides in the United States. [ 1 ] Pentachlorothiophenol | C6HCl5S | CID 8620 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities . Pentachlorophenol (PIM 405) - INCHEM in Solvent and Volume 1000 g/mL in methanol, 1 mL/ampul Units ea. Fact sheet: Pentachlorophenol Guidance and Orientation for the They have been detected at low levels in ambient air and . Ingestion causes loss of appetite, respiratory difficulties, anesthesia, sweating, coma. The Risk Assessment Information System Pentachlorophenol: 87-86-5: 1000 g/mL in methanol, 1 mL/ampul: ea. (1) 2017-2019: FOUND FOUND ABOVE HEALTH GUIDELINES FOUND ABOVE LEGAL LIMIT 19 states detected 143 utilities detected 2.5 million people served Health concerns for pentachlorophenol Cancer Governments around the world will decide on the recommendation in 2015. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pentachlorophenol and its sodium salt are primarily used as antimicrobial and antifungal agents. PDF Pentachlorophenol - US EPA

Pentachlorophenol (PCP) is one of the . In this study, damage parameters [levels of reduced glutathione and total glutathione; activity of glutathione reductase (GR); activities of catalase (CAT) and superoxide dismutase (SOD); levels of adenine nucleotides and adenine energy charge (AEC)] were measured in human . The nature of the volatile organic compounds that could be at the origin of the characteristic odor of treated wood utility poles was investigated by the study of compositional changes in the chromatographic profiles of fresh-pentachlorophenol (PCP) solvent samples and weathered samples collected from an in-service red pine pole. Short-term exposure to . Impure pentachlorophenol (the form usually found at hazardous waste sites) is dark gray to brown and exists as dust, beads, or flakes. Human data: Dusts are particularly irritating to the eyes and nose at concentrations greater than 1 mg/m 3 but concentrations up to 2.4 mg/m 3 have been tolerated by workers that have been conditioned [Clayton and Clayton 1981].

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