2 edition of Studies on the acute toxicity and metabolism of the chlorinated hydrocarbon pesticide 1,1-bis (4-chlorophenyl)-2,2,2-trichloro-ethanol (Kelthane). found in the catalog.
Studies on the acute toxicity and metabolism of the chlorinated hydrocarbon pesticide 1,1-bis (4-chlorophenyl)-2,2,2-trichloro-ethanol (Kelthane).
Written in English
|Contributions||Toronto, Ont. University. Theses (M.Sc.)|
|LC Classifications||LE3 T525 MSC 1968 V57|
|The Physical Object|
|Number of Pages||119|
Visit ChemicalBook To find more Acetonitrile () information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. You can also browse global suppliers,vendor,prices,Price,manufacturers of Acetonitrile (). At last,Acetonitrile (75 . CHARACTERIZATION OF CHLORINATION TRANSFORMATION PRODUCTS OF SELECTED PESTICIDES. EPA Science Inventory. Chlorination is a commonly-used disinfectant step in drinking water treatme.
The acute oral toxicity of acetonitrile is generally of low order. The toxic symptoms associated with oral intake can be gastrointestinal pain, nausea, vomiting, stupor, convulsion, and weakness. These effects may become highly marked in humans from ingestion of 40–50 mL of acetonitrile. TOXICOLOGICAL & ENVIRONMENTAL REVIEWS: See A. J. Gray & D. M. Soderlund, Chapt. 5 in Insecticides. biopermethrin 47 The Pesticide Manual Sixteenth Edition © BCPC biphenyl Fungicide F F3; aromatic hydrocarbon NOMENCLATURE: Common name biphenyl (BSI, E-ISO, F-ISO, accepted in lieu of common name) IUPAC name biphenyl.
The information derived from acute toxicity testing also may be useful in designing long-term studies, in identifying target organs and in predicting possible diagnosis and treatments. Results of acute toxicity also provide information necessary to classify and label substances as required by regulatory authorities. About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files. Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and.
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These results indicate that the batch of dimethoate tested in was less toxic TABLE 2 THE ACUTE ORAL TOXICITY OF CHLORINATED HYDROCARBON PESTICIDES IN RATS Males Females No. of Survival time 19/20 No. of - Survival time 19/20 Compound rats Min. -- LD50 Confidence rats Min. - LD50 Confidence tested (hr) Max.
(mg/kg) limits tested (hr) by: Only a few placental toxicity studies have been conducted with chlorinated hydrocarbon insecticides. In an experimental study, exposure of Swiss mice to lindane at different stages of pregnancy produced various toxicological effects, such as fetotoxicity and reproductive failure (Sircar and Lahiri, ).Cited by: 9.
Its toxicity for insects is close to that of DDT. The analog is less persistent than DDT, which in some cases is a great advantage. It is, however, more expensive than DDT because of the relatively high cost of fluorobenzene. Metabolism of DDT: There are five principal routes of DDT metabolism in various organisms: 1.
Previous investigations demonstrated that the incubation of the chlorinated hydrocarbon pesticide methoxychlor [1,1,1-trichloro-2,2-bis(4-methoxyphenyl)ethane] with rat.
These results indicate that DOM generally reduced the acute and chronic toxicity of CHTH and CHPY to A. tenuiremis, while certain compound-specific pesticide (FIP): organic associations may.
1,1-Difluoroethane is colorless, odorless gas shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbite.
It is easily ignited. Its vapors are heavier than air and a flame can travel back to the source of leak very easily. This leak can be either a liquid or vapor leak.
It can asphyxiate by the displacement. In selecting agents to be included in the organic contaminants section of this report, a number of tabulations of organic contaminants detected in drinking water were examined. From these lists, agents were selected that have been reported to be present in one or more drinking-water supplies at relatively high concentrations and for which there were data to suggest toxicity in.
In the next decades, studies projected in other clinical effects of pesticides other than acute and chronic toxicity. Embryo-toxicity, immune-toxicity, reproductive effects, histopathology, endocrine functions, serum enzymes and cellular damage, oxidative stress, teratogenicity and biochemical indicators were examined (Walker, ).
Table XII presents the ranking of acute toxicity based on LDS data and show that the chlorinated hydrocarbons are outstanding in terms of their intense acute toxicity as measured by ID in mammals. Since these compounds have all been found to be present in fresh water, it becomes of especial concern to direct our attention to them.
Full text of "DDT [1, 1-dichloro-2, 2-bis (p-chlorophenyl) ethylene]: a list of references selected and compiled from the files of the Pesticides Information Center, National Agricultural Library, " See other formats.
51 The Pesticide Manual Sixteenth Edition BCPC biphenyl Fungicide FRAC14, F3; aromatic hydrocarbon NOMENCLATURE: Common name biphenyl (BSI, E-ISO, F-ISO, accepted in lieu of common name) IUPACname biphenyl Chemical Abstracts name 1,1-biphenyl Other names diphenyl CASRN ECno Smilescodec1ccc(cc1)c2ccccc2 PHYSICAL.
This emphasizes the minimal dermal absorption of DDT. METABOLISM OF DDT Uptake Uptake by inhalation Most DDT dust is of such large particle size (> µm) that any that is inhaled is deposited in the upper respiratory tract and is eventually swallowed (Hayes, ).
Toxicity data indicate that respiratory exposure is of no special. This banner text can have markup. web; books; video; audio; software; images; Toggle navigation.
A comprehensive literature review is presented concerning pesticides; in particular the organochlorine insecticides, DDT and dieldrin, and their role in the pollution of water resources. The results of a laboratory study on the removal of DDT and dieldrin (HEOD) by adsorption onto a clay of the montmorillonite type (bentonite) are presented.
For an initial DDT concentration of. A serious but rarely reported complication of halogenated hydrocarbon inhalation abuse is severe mucosal frostbite. HFCa showed evidence of weak clastogenicity in an in vitro human lymphocyte chromosome aberration test.
ANIMAL STUDIES: HFCa has low acute inhalation toxicity. The repeat dose studies show some potential for irritation. Case studies will be discussed to highlight the toxicity and exposure profile of on the lifelong health of newborns; the role of the placenta in regulating the in- both stochastic and site-specific ADCs, highlighting opportunities and challenges tra-uterine environment; and the critical role of early mother-child interactions in on the route to.
The next presentation of this course will focus on evaluating rodent pathology in long-term toxicity studies (i.e., what to expect, pathology peer review, and differentiating between age-related or strain-specific findings and chemical-mediated toxicity).
Acute toxicity values determined from individual toxicity tests for freshwater and saltwater organisms ranged from to 2, and to 16, µg/L, respectively (U.S. EPA, ). Knobloch et al.
() reported acute oral LD50 values of. However, levels as low as g/kg for 2 weeks have produced acute toxicity in adults. Long-term consumption of as little as 25 g/kg may lead to hypercalcemia and attendant complications, such as metastatic calcification and renal calculi in adults, provided there are high levels of calcium in the diet.
Methane is the simplest hydrocarbon, but certainly not the least important. and purify nicotine. InAdolf Pinner revealed and acquired the structure of nicotine known today. The first studies of the metabolism of nicotine were in the s. Pesticide C14H9Cl5 Yellow Fever Insecticide CPTCET10 malaria DDT is a pesticide.
Louis D. Quin John Tyrell - Fundamentals of Heterocyclic Chemistry- Importance in Nature and in the Synthesis of Pharmaceuticals ().Derivatization Full - Free ebook download as PDF File .pdf), Text File .txt) or read book online for free.5/5(1).This concept uses the available toxicological and biological data to generate a series of weighting factors, called Toxic Equivalency Factors (TEFs), each of which expresses the toxicity of a ‘dioxin-like’ compound in terms of the equivalent amount of the most toxic dioxin congener, 2,3,7,8-TCDD (Harrison, b).