Chemicals and Drugs
Nitrophenols
Ortho nitrophenolAcidic than phenolCatalytic ReductionDegradationToxFAQsNitrobenzeneMetaboliteAminophenolInhibitionReductionOrganicCompoundsSunlightTOXICUrinePesticidesHazardousConcentrationDecreaseSoilAromaticRiceLiverHumansEnvironmentalExplainMolecularChemicalWaterTimeYellow solidFoundIncludeProductionEffectPeopleAnimalsTestRatesGeneralChinaSpecific
Ortho nitrophenol5
  • Explain why is ortho nitrophenol acidic than ortho methoxyphenol? (toppr.com)
  • Hence, ortho nitrophenol is a stronger acid. (toppr.com)
  • ii) Ortho-nitrophenol is more acidic than ortho-methoxyphenol. (toppr.com)
  • Why ortho-Nitrophenol is steam volatile while para-Nitrophenol is less volatile? (toppr.com)
  • The strain was unusual because it was negative for the production of lysine decarboxylase and β-galactosidase (ortho-nitrophenol test) and positive only for stx 1. (cdc.gov)
Acidic than phenol2
  • Nitrophenols are more acidic than phenol itself. (wikipedia.org)
  • Ortho and para nitrophenols are more acidic than phenol. (toppr.com)
Catalytic Reduction1
  • Prasad CH, Srinivasulu K, Venkateswarlu P (2015) Catalytic Reduction of 4-Nitrophenol Using Biogenic Silver Nanoparticles Derived from Papaya ( Carica papaya ) Peel extract. (omicsonline.org)
Degradation1
  • Genome Sequencing and Comparative Transcriptomics Provide a Holistic View of 4-Nitrophenol Degradation and Concurrent Fatty Acid Catabolism by Rhodococcus sp. (aber.ac.uk)
ToxFAQs1
  • Title : Nitrophenols - ToxFAQs™ Corporate Authors(s) : United States. (cdc.gov)
Nitrobenzene1
  • It was found that the determination of p -nitrophenol in urine could be used as a quantitative test when a single exposure to nitrobenzene occurred with a precision of approximately ± 8 mg. nitrobenzene. (bmj.com)
Metabolite1
  • 4-Nitrophenol is also a metabolite (breakdown product) of certain pesticides, so it is not possible to tell from a medical test whether exposure was from 4-nitrophenol or pesticides. (cdc.gov)
Aminophenol3
  • An efficient reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in the presence of Ag NPs and NaBH4 was observed and was found to depend upon the nanoparticle size or the peel extract concentration used for synthesis. (omicsonline.org)
  • The present report demonstrates the current developments in the green synthesis of silver nanoparticles in ionic liquids and a detailed study of the room-temperature catalytic and photocatalytic reduction of p -nitrophenol (PNP) to p -aminophenol (AP). (eurjchem.com)
  • The Au1@15-crown-5 showed high activity (TOF as high as 22,075) in the reduction in nitrophenol and nitroaniline to aminophenol and phenylenediamine by sodium borohydride. (edu.sa)
Inhibition2
  • Inhibition of p-nitrophenol hydroxylase in rat liver microsomes by small aromatic and heterocyclic molecules. (aspetjournals.org)
  • Inhibition of acetaminophen sulfation by 2,6-dichloro-4-nitrophenol in the perfused rat liver preparation. (aspetjournals.org)
Reduction2
  • Furthermore, the catalytic activity of synthesized Ag NPs in the reduction of 4-nitrophenol (4-NP) was studied by UVvis absorption spectroscopy . (omicsonline.org)
  • The synthesized Ag NPs have a good catalytic activity on the reduction of 4-nitrophenol (4-NP) by Papaya Peel extract which is confirmed by the decrease in absorbance maximum values of 4-nitrophenol (4-NP) with respect to time using UV-vis absorption spectroscopy. (omicsonline.org)
Organic2
  • The formation of secondary organic aerosol (SOA) from the photolysis of a series of nitrophenols was investigated for the first time. (uni-wuppertal.de)
  • Nitrophenols are the synthetic organic chemicals used for the preparation of synthetic intermediates, organophosphorus pesticides, and pharmaceuticals. (omeka.net)
Compounds2
  • Nitrophenols include three chemical compounds: 2-, 3-, and 4-nitrophenol. (cdc.gov)
  • Nitrophenols are compounds of the formula HOC6H5−x(NO2)x. (wikipedia.org)
Sunlight1
  • Only a very small portion of released nitrophenols is expected to stay in the air because it eventually breaks down when exposed to sunlight. (cdc.gov)
TOXIC1
  • P- nitrophenol itself is less toxic but when inhaled or ingested causes irritation to eyes and drowsiness, nausea and cyanosis. (cmfenews.com)
Urine3
  • There are tests to measure nitrophenols in human urine. (cdc.gov)
  • Because 2- and 4-nitrophenol leave the body through urine very quickly, these tests will only be useful for recent suspected exposures. (cdc.gov)
  • p -Nitrophenol is excreted in urine very slowly and therefore it may accumulate in the body. (bmj.com)
Pesticides9
  • Nitrophenols are not released from natural sources, but instead are manufactured and used in the production of dyes, rubber, photographic chemicals, medicines, pesticides, and fungicides (chemicals used to kill fungus, like mold). (cdc.gov)
  • Nitrophenols can also form in the environment from the breakdown of certain pesticides used for crop protection. (cdc.gov)
  • Those living near or working on farmlands or waste sites that use certain pesticides may be exposed to nitrophenols at greater rates than the general public, particularly if the drinking water is contaminated. (cdc.gov)
  • Children may be exposed to nitrophenols if they play in soil where certain pesticides have been used. (cdc.gov)
  • Do not let children play in the dirt near farmland or hazardous waste sites where nitrophenols or certain pesticides may have been used or thrown away. (cdc.gov)
  • If you work on a farm or in an industrial setting with nitrophenols or certain pesticides, follow all safety instructions and regulations and minimize breathing in or touching the chemical. (cdc.gov)
  • The rising demand for pesticides and insecticides is the main driver for the p-nitrophenol market. (cmfenews.com)
  • Para nitrophenol does not cause any major harmful effects to the environment and is decomposed relatively easily as compared to other insecticides and pesticides. (cmfenews.com)
  • At the same time, the U.S. and the EU have encouraged cautious use of pesticides, insecticides and drugs that have p- nitrophenol as one of their main ingredients. (cmfenews.com)
Hazardous1
  • para -Nitrophenol (PNP), a priority environmental pollutant, is hazardous to humans and animals. (biomedcentral.com)
Concentration1
  • Since a linear dependence of the HONO yield on the nitrophenol concentration was observed, the results obtained here have been extrapolated linearly to atmospheric concentrations. (uni-wuppertal.de)
Decrease1
  • 4-Nitrophenol has been measured with a half-life (the amount of time it takes for the amount of nitrophenols in the water to decrease by half) ranging from less than 1 to 21 days in different types of surface water. (cdc.gov)
Soil2
  • Once deposited in soil, nitrophenols break down very slowly. (cdc.gov)
  • Occasionally, nitrophenols contaminate the soil near former explosives or fabric factories and military plants, and current research is aimed at remediation. (wikipedia.org)
Aromatic1
  • The purpose of this work was to provide a scientific evaluation of the atmospheric fate of aromatic hydrocarbons, in particular, 1,2-dihydroxybenzenes and nitrophenols, which are important products in the oxidation of BTX. (uni-wuppertal.de)
Rice2
  • p-Nitrophenol, yellow solid is a precursor to the rice herbicide fluorodifen, the pesticide parathion, and the human analgesic paracetamol (also known as acetaminophen). (wikipedia.org)
  • Para nitrophenol is an organophosphorous insecticide and is used on specific crops including cotton, corn, wheat, soybeans and rice. (cmfenews.com)
Liver1
  • The effectiveness of 2,6-dichloro-4-nitrophenol ( DCNP ) as an inhibitor of sulfation of acetaminophen, and the effect of DCNP on other conjugation reactions such as glucuronidation and glutathione conjugation were investigated in the once-through perfused rat liver preparation. (aspetjournals.org)
Humans3
  • The U.S. Department of Health and Human Services (DHHS) has not classified the cancer-causing risk of 2-, 3-, or 4-nitrophenol in humans. (cdc.gov)
  • The U.S. Environmental Protection Agency has not classified the cancer-causing risk of 2-, 3-, or 4-nitrophenol in humans. (cdc.gov)
  • The International Agency for Research on Cancer has not classified the cancer-causing risk of 2-, 3-, or 4-nitrophenol in humans. (cdc.gov)
Environmental1
  • para -Nitrophenol (PNP) is a common environmental pollutant owing to its wide application in pharmaceuticals, explosives, dyes and agrochemicals. (biomedcentral.com)
Explain1
  • A possible mechanism to explain the aerosol formation observed in the photolysis of nitrophenols is proposed. (uni-wuppertal.de)
Molecular1
  • The GC-MS analysis of both the control and biofield treated samples indicated the presence of the parent molecular ion peak of o- and m- nitrophenol (C6H5NO3+ ) at m/z 139 along with major fragmentation peaks at m/z 122, 109, 93, 81, 65, and 39. (omeka.net)
Chemical5
  • The three forms of nitrophenol have unique physical and chemical characteristics and different industrial uses. (cdc.gov)
  • Para Nitrophenol--Taixing Yangzi Pharm Chemical Co.,Ltd. (jencoelectric.com)
  • Owing to this property, p- nitrophenol is used as a pH indicator in various chemical reactions. (cmfenews.com)
  • The U.S., being one of the biggest manufacturers of P- nitrophenol, has huge demand for the chemical. (cmfenews.com)
  • The biofield treated o- and m-nitrophenol that have improved isotopic abundance ratios might have altered the physicochemical properties and could be useful in pharmaceutical and chemical industries as an intermediate in the manufacturing of pharmaceuticals and other useful chemicals for the industrial application. (omeka.net)
Water4
  • Nitrophenols are expected to move from the air to water and land. (cdc.gov)
  • However, nitrophenols will break down in water after a few days. (cdc.gov)
  • Nitrophenols are not usually measured in drinking water, but it is possible that you could be exposed this way. (cdc.gov)
  • Avoid exposure to air, water, or dirt that has high levels of nitrophenols. (cdc.gov)
Time2
  • The biofield energy treated nitrophenols having analyzed at different time intervals were designated as T1, T2, T3, and T4. (omeka.net)
  • The relative peak intensities of the fragmented ions in the biofield treated o- and m-nitrophenol were notably changed as compared to the control sample with respect to the time. (omeka.net)
Yellow solid1
  • m-Nitrophenol (3-nitrophenol, CAS number: 554-84-7), a yellow solid (m.p. 97 °C) and precursor to the drug mesalazine (5-aminosalicylic acid). (wikipedia.org)
Found1
  • The photolysis of nitrophenols was found to be a new gas-phase source of HONO. (uni-wuppertal.de)
Include1
  • A few of the companies that manufacture p- nitrophenol include Dow AgroSciences India Pvt. (cmfenews.com)
Production2
  • Para nitrophenol is employed in the production of insecticides, fungicides, dyes etc… In addition, p-nitrophenol is used in the manufacturing of various drugs and in the darkening of leather. (cmfenews.com)
  • All the results were in line with gas-phase photolytic production of HONO from the nitrophenols. (uni-wuppertal.de)
Effect1
  • The objective of the present study was to evaluate the effect of biofield energy treatment on the isotopic abundance ratios of PM+1/PM , and PM+2/PM in o- and m-nitrophenol using the gas chromatography-mass spectrometry. (omeka.net)
People1
  • There are no studies that have looked at health problems in people with confirmed exposure to nitrophenols. (cdc.gov)
Animals1
  • In animals, 4-nitrophenol is a skin and eye irritant. (cdc.gov)
Test1
  • Can I get a medical test to check for nitrophenols? (cdc.gov)
Rates1
  • The following rate coefficients were obtained at 1000 mbar total pressure and 298 ± 3K in the 1080 l quartz glass reactor: reactant kOH (cm3 s-1) 3-methyl-2-nitrophenol (3.69±0.16) × 10-12 4-methyl-2-nitrophenol (3.46±0.18) × 10-12 5-methyl-2-nitrophenol (7.34±0.52) × 10-12 6-methyl-2-nitrophenol (2.70±0.17) × 10-12 Photolysis rates for the 2-nitrocresol isomers have also been determined. (uni-wuppertal.de)
General1
  • The general population is expected have low exposure to nitrophenols. (cdc.gov)
China1
  • Asia Pacific has the highest demand for p- nitrophenol especially countries like India and China owing to their booming agricultural sector. (cmfenews.com)
Specific1
  • For p-nitrophenol adsorption on a specific polymeric adsorbent, the solute adsorbent interaction will play an important role in the adsorption capacity from aqueous solution. (upt.ro)