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Topic: Cresol


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In the News (Fri 1 Jun 12)

  
  Cresol - Wikipedia, the free encyclopedia
Cresols have an odor characteristic to that of other simple phenols, reminiscent to some of a "medicine" smell.
Cresol solutions are used as household cleaners and disinfectants, perhaps most famously under the trade name Lysol.
Cresols are found in many foods and in wood and tobacco smoke, crude oil, coal tar, and in brown mixtures such as creosote and cresylic acids, which are wood preservatives.
en.wikipedia.org /wiki/Cresol   (520 words)

  
 PHENOL AND CRESOL - (Organic Method #32)
The analysis for phenol and cresols is rapid, sensitive, and precise.
cresols at 80% relative humidity which can be sampled at 0.2 L/min before 5% of the total analytes collected is detected on the backup section of the sampling tube is estimated to be 173 L for phenol and 216 L for cresol.
The sampling of 36 L of the phenol and cresol atmosphere at 0.2 L/min and at 80% relative humidity resulted in the retention (on the entire Tenax sampling tube) of only 22% of the total phenol and 56% of the total cresol present in the atmosphere.
www.osha.gov /dts/sltc/methods/organic/org032/org032.html   (4492 words)

  
 Cresol
Cresols are a widely occurring natural and manufactured group of chemicals.
In their pure form, they are colorless solids and may be liquids if they are mixtures.
They are used to dissolve other chemicals, as disinfectants[?] and deodorizers[?], and to make certain chemicals that kill insect pests.
www.ebroadcast.com.au /lookup/encyclopedia/cr/Cresol.html   (316 words)

  
 EPA - Air Toxics Website - Cresol/Cresylic Acid
No information is available on the chronic (long-term) effects of mixed cresols in humans, while animal studies have reported effects on the blood, liver, kidney, and central nervous system (CNS), and reduced body weight, from oral and inhalation exposure to mixed cresols.
Mixed cresols may be found in ambient air; sources are car exhaust, electrical power plants, municipal solid waste incinerators, oil refineries, and cigarettes.
Acute animal tests in rats have shown mixed cresols to have moderate acute toxicity, while o-cresol, m-cresol, and p-cresol have been shown to have high acute toxicity from oral exposure.
www.epa.gov /ttn/atw/hlthef/cresols.html   (1399 words)

  
 Cresol | Introduction | International Trade | valetimegroup.com   (Site not responding. Last check: 2007-10-23)
Cresol, a highly caustic, colorless solid or liquid with a sweet tarry odor, is used mainly as a disinfectant.
Cresol vapors and liquids are absorbed through inhalation and eye and skin contact.
Cresol attacks the central nervous system, respiratory system, liver, kidneys, skin and eyes.
www.valetimegroup.com /products.php?&dID=1&pID=19&psID=32   (116 words)

  
 m-Cresol Degradation Pathway
Cresol is a mixture of o-, p-, and m-cresol, and is obtained from coal tar or petroleum.
These isomers are used as a disinfectants, textile scouring agents, surfactants and as intermediates in the manufacture of salicylaldehyde, coumarin, and herbicides.
Despite their chemical similarity, cresol isomers are degraded by bacteria through different pathways.
umbbd.msi.umn.edu /mcr/mcr_map.html   (330 words)

  
 Full text - Copolymerization of lignin with cresol catalyzed by peroxidase in reversed micellar systems
However, cresol is a better substrate for HRP than is lignin, because of its size and phenolic hydroxyl accessibility, and is more readily oxidised.
In this system, both the molecular weight and distribution may be related to the concentration of surfactant, enzyme, cresol and lignin, and the ratio of alcohol to hydrocarbon in organic phase.
The peroxidase-catalyzed copolymerization of straw-pulp-lignin with cresol in reversed micellar systems is attractive because it is possible to use the surfactant, as design variable in manipulating the mean molecular weight of the copolymer.
www.ejbiotechnology.info /content/vol2/issue2/full/4   (2295 words)

  
 HighBeam Encyclopedia - cresol
CRESOL [cresol], CH OH, any one of three aromatic alcohols present in coal tar.
The three compounds are structural isomers ; they may be thought of as hydroxy derivatives of toluene or as methyl derivatives of phenol.
Find newspaper and magazine articles plus images and maps related to "cresol" at HighBeam.
www.encyclopedia.com /html/c1/cresol.asp   (292 words)

  
 Amazon.com: Cresol   (Site not responding. Last check: 2007-10-23)
The compounds of phenol and the cresols with pyridine, (McGill University.
The compounds of phenol and the cresols with pyridine.
Phenol and cresols in coal tar from coals carbonized at 800° and 900° C (Report of investigations / United States Department of the Interior, Bureau of Mines) (Report of investigations / United States Department of the Interior, Bureau of Mines) by Erik Bengtsson (Unknown Binding - Jan 1, 1950)
www.amazon.com /s?ie=UTF8&search-alias=aps&keywords=Cresol&page=1   (462 words)

  
 test
Cresol red, a dye is also found to be compatible with AmpliTaq Gold.
Cresol red also serves as a marker dye during the gel electrophoresis of the PCR products (3).
To further optimize the advantages of thermally activated DNA polymerase, we have determined whether densifying materials, such as sucrose or glycerol, and cresol red are compatible with the use of a thermally activated DNA polymerase.
astro.temple.edu /~dnavanee/pcr.html   (1142 words)

  
 Documentation for Immediately Dangerous to Life or Health Concentrations (IDLHs) - cresol
Patty [1963] reported that rats exposed for 8 hours to a saturated concentration of cresol vapors survived the exposure [Smyth 1956].
The chosen IDLH is based on the isomer with the highest vapor pressure, that of o­cresol, which yields a saturated concentration of 323 ppm at 25 C. The chosen IDLH appears to be conservative because no rats died as a result of this exposure which was for 8 hours.
Basis for revised IDLH: Based on acute inhalation toxicity data in animals [Smyth 1956], the original IDLH for cresol (250 ppm) is not being revised at this time.
www.cdc.gov /niosh/idlh/cresol.html   (335 words)

  
 HighBeam Encyclopedia - tar and pitch   (Site not responding. Last check: 2007-10-23)
All but small quantities of the tar now produced is fractionally distilled to yield naphtha, creosote, carbolic oil, and other equally important crude products.
Among the substances produced by refining the various crude materials are benzene, toluene, cresol, and phenol.
Tar from pine wood is used in making soap and medicinal preparations.
www.encyclopedia.com /html/t/tarNpitc.asp   (430 words)

  
 Meta Para Cresol | Introduction | International Trade | valetimegroup.com   (Site not responding. Last check: 2007-10-23)
A commercial mixtures of phenolic materials boiling above the cresol range.
If the boiling point is less than 204C, the material is called cresol.
Meta Para Cresol varies widely according to its source and boiling range.
www.valetimegroup.com /products.php?&dID=1&pID=38&psID=60   (113 words)

  
 Government and academic resources on CRESOL
mixed cresols and/or cresol containing products are produced or used.
PHENOL AND CRESOL - (Organic Method #32): The analysis of phenol and cresol, like many chemicals in use for a long...
OSHA Method 32 collects phenol and cresol on XAD-7 tubes and desorbs them with methanol (Ref. 5.2).
names.mongabay.com /drugs/ingredients/CRESOL.html   (459 words)

  
 Merisol - Latest News Releases
Merisol is considered to be the world’s largest suppliers of cresylic acids – including cresols, xylenols and butyl hydroxytoluene (BHT), with annual sales of about 110,000 metric tons.
Merisol’s chief executive officer, Johan du Preez, said: “Meta-cresol demand is increasing faster than global GDP growth levels – and it’s vital that Merisol remains well positioned in one of its core chemicals as a reliable and competitive international supplier of high-purity meta-cresol.
The new raw-material recovery plant at Sasolburg not only compensates for the loss of certain historic sources of feedstock, but also gives Merisol the flexibility to expand its production of high-purity feed material for the downstream production of phenol, cresols and xylenols in line with growth in the global market.
www.merisol.com /newsfull.asp?NewsID=38   (414 words)

  
 Isopropyl cresol - toxicity, ecologicial toxicity and regulatory information
Isopropyl cresol is a Phenol or Cresol compound.
Symptoms of Poisoning with Phenol or Cresol Compounds
Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.
www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC33009   (741 words)

  
 p-CRESOL
Cresol is toxic via ingestion and skin absorption.
Cresol is similar to phenol in its action on the body, but is less severe in its effects.
Breathing vapor, dust or mist results in digestive disturbances (vomiting, difficulty in swallowing, diarrhea, loss of appetite).
www.jtbaker.com /msds/englishhtml/c5467.htm   (1351 words)

  
 m-CRESOL
Store in a cool, dry, ventilated area away from sources of heat, moisture and incompatibilities.
Do not allow untrained workers to handle cresol.
Containers of this material may be hazardous when empty since they retain product residues (dust, solids, vapors, liquid); observe all warnings and precautions listed for the product.
www.jtbaker.com /msds/englishhtml/c5456.htm   (1252 words)

  
 Toluene 3-Monooxygenase of Ralstonia pickettii PKO1 Is a para-Hydroxylating Enzyme -- Fishman et al. 186 (10): 3117 -- ...
Oxidation of NB, naphthalene, methoxybenzene, and cresols was
Oxidation of toluene to cresol was measured by GC with a Hewlett-Packard
toluene, indicating that the cresol formation was associated
jb.asm.org /cgi/content/full/186/10/3117   (3496 words)

  
 Cresol, CP - C - Alphabetical Listing of Chemicals * 1319-77-3
Cresol, CP - C - Alphabetical Listing of Chemicals * 1319-77-3
Chemical Catalog  » Alphabetical Listing of Chemicals  » C  » Cresol, CP
Cresols (o-; m-; p-), 6.1, UN2076, PG II
www.sciencelab.com /page/S/PVAR/10410/SLC3970   (70 words)

  
 Discontinued Items And Cresol, C.P. - Cole-Parmer Catalog
Search for the chemical's CAS Number to find a replacement.
DOT: Cresol, 6.1, UN2076, PG II, Marine Pollutant
Largest container accepted by UPS: 1 L Multiples of this size can be shipped via UPS
www.coleparmer.com /catalog/product_view.asp?sku=00023DE   (73 words)

  
 Ortho Cresol, Ortho Cresol Manufacturers Suppliers Exporters   (Site not responding. Last check: 2007-10-23)
All Categories » Industrial Chemicals » Ortho Cresol
This directory contains listing of companies dealing in Ortho Cresol.
Buyers can contact these manufacturers, exporters and wholesale suppliers of Ortho Cresol directly by visiting their website or by sending request for information
www.indianindustry.com /industrialchemicals/7956.html   (131 words)

  
 Para Cresol, Para Cresol Manufacturers Suppliers Exporters
All Categories » Industrial Chemicals » Para Cresol
Indian Industry, an online B2B platform offering listings of companies engaged in manufacturing, supplying and wholesale export business.
This page contains manufacturers, suppliers, and wholesalers of Para Cresol.
www.indianindustry.com /industrialchemicals/8126.html   (301 words)

  
 cresol - English-French Dictionary - WordReference.com
We found no French translation for 'cresol' in our English to French Dictionary.
Look for a definition in our English Dictionary.
Or did you want to translate 'cresol' from French to English?
www.wordreference.com /enfr/cresol   (57 words)

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