Last edited by Vum
Tuesday, July 14, 2020 | History

4 edition of Phenylhydrazine found in the catalog.

Phenylhydrazine

Phenylhydrazine

  • 176 Want to read
  • 33 Currently reading

Published by World Health Organization in Geneva .
Written in English

    Subjects:
  • Phenylhydrazine -- Toxicology,
  • Phenylhydrazine -- Environmental aspects,
  • Ecological risk assessment

  • Edition Notes

    Statementfirst draft prepared by Mr. R. Cary, Dr. S. Dobson, Dr. I. Brooke.
    SeriesConcise international chemical assessment document -- 19.
    ContributionsCary, R., Dobson, S., Brooke, I., World Health Organization., International Program on Chemical Safety., United Nations Environment Programme., International Labour Organisation., Inter-Organization Programme for the Sound Management of Chemicals.
    The Physical Object
    Paginationiv, 27 p. ;
    Number of Pages27
    ID Numbers
    Open LibraryOL17593456M
    ISBN 109241530197
    OCLC/WorldCa43702814

    Public Notices Related to this Chemical. Notice of Modifications to Text of Regulations Ti California Code of Regulations Sections and   (organic chemistry) The hydrazone derivative of benzaldehyde; it is used in the analysis of sugars.

    IUPAC Standard InChIKey: UICBCXONCUFSOI-UHFFFAOYSA-N CAS Registry Number: Chemical structure: This structure is also available as a 2d Mol file; Other names: β-Acetylphenylhydrazine; Acetylphenylhydrazine; APH; Hydracetin; N-Acetyl-N'-Phenylhydrazine; N'-Phenylacethydrazide; Pyrodin; Pyrodine; 1-Acetylphenylhydrazine; 2-Phenylacetohydrazide; Acetic . Register now and get a free online MSDS binder. Your new online MSDS binder is a place for you to store the material safety data sheets you need to deploy. Other companies are charging thousands of dollars to set up accounts and give you access to their msds online database.

    Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here. Notice: Concentration information is not available for. Phenylosazone definition is - an osazone (as glucose phenylosazone) derived from phenylhydrazine that is usually yellow and crystalline and that is useful especially in the study of carbohydrates.


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Phenylhydrazine Download PDF EPUB FB2

A concise assessment of Phenylhydrazine book risks to human health and the environment posed by exposure to phenylhydrazine a compound used worldwide as a chemical intermediate in the pharmaceutical agrochemical and chemical industries.

Phenylhydrazine is released predominantly to water where it is readily degraded. Although laboratory studies indicate that the compound is toxic to aquatic. Phenylhydrazine: Webster's Timeline History, - [Icon Group International] on *FREE* shipping on qualifying offers.

Webster's bibliographic and event-based timelines are comprehensive in scope, covering virtually all topics. Some sugars react with Phenylhydrazine to give crystalline compounds known as osazones. Phenylhydrazine book, which is formed from glucose and also fructose, is in the form of sheaves of needle-like crystals.

Phenyllactosazone crystals, on the other hand, are smaller and more feathery than those obtained from glucose (Figure ).The osazone test will give some indication whether a sugar is. Phenylhydrazine Product and Company Identification Product Identifier: Trade Name: Phenylhydrazine, 40mg Chemical Name: Phenylhydrazine Hydrochloride Catalog Number: Part of Kits:, Use of chemical: Laboratory chemical Identification of File Size: KB.

Catherine N. Otto, in Rodak's Hematology (Sixth Edition), Sulfhemoglobin. Sulfhemoglobin is formed by irreversible oxidation of hemoglobin by drugs (such Phenylhydrazine book sulfanilamides, phenacetin, nitrites, and phenylhydrazine) or exposure to sulfur chemicals in industrial or environmental settings.

11, 12 It is formed by the addition of a sulfur atom to the pyrrole ring of heme and has a. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

CAS number: –63–0 NIOSH REL: ppm ( mg/m 3) 2-hr CEILING [skin]; NIOSH considers phenylhydrazine to be a potential occupational carcinogen as defined by the OSHA carcinogen policy [29 CFR ].

Current OSHA PEL: 5 ppm (22 mg/m 3) TWA [skin] OSHA PEL: 5 ppm (20 mg/m 3) TWA, 10 ppm (45 mg/m 3) STEL [skin] ACGIH TLV: ppm ( mg/m 3) TWA. Phenylhydrazine is a phenylhydrazine that is the monophenyl derivative of hydrazine.

It has a role as a xenobiotic. Phenylhydrazine appears as pale yellow crystals. Melting point 66°F. Becomes an oily liquid. Toxic by ingestion, inhalation and skin absorption. Flash point °F.

Autoignition temperature °F. Soluble in alcohol. Phenylhydrazine is an MAOI. MAOIs stands for monoamine oxidase inhibitors. They are antidepressant drugs that work by preventing the enzyme monoamine oxidase from metabolizing neurotransmitters. These neurotransmitters include serotonin, norepenephrine, and dopamine.

1,2-Diphenylhydrazine is a white solid. There is no information on what it smells like or whether it will burn. It does not dissolve easily in water, but when placed in water, it rapidly breaks down into other include the toxic chemicals benzidine and does not evaporate easily but may be released to air when attached to dust particles.

1,2-Diphenylhydrazine is a. The cancer potencies of phenylhydrazine and phenylhydrazine hydrochloride were estimated from dose-response data from three data sets: lung tumors among male and female mice (combined) exposed orally to phenylhydrazine hydrochloride (Clayson.

et al., ) and bloodFile Size: KB. phenylhydrazine: (fen″ĭl-hī′dră-zēn″) [ phenyl + hydrazine ] An oily nitrogenous base used as a test for the presence of sugar in the urine.

CAS # Phenylhydrazine, a hemolytic poison introduced by Morawitz, achieved wide popularity, but its unpredictable nature and the severe hemolytic crises that often.

The 1,4-dianions of hydrazones, such as 4'-mehoxyacetophenone phenylhydrazone or 4'-bromoacetophenonre carbomethoxyhydrazone, were prepared in excess lithium diisopropylamide and condensed with phthalic or 1,2-cyclohexanedicarboxylic anhydride, to give C-acylated intermediate that could be isolated or cyclized to the expected pyrazole.

Phenylhydrazine. Related Pages. Synonyms & Trade Names Hydrazinobenzene, Monophenylhydrazine CAS No. RTECS No. MV DOT ID & Guide. Formula. Hydrazines (R 2 N-NR 2) are a class of chemical compounds which have two nitrogen atoms linked via a covalent bond and which carry from one up to four alkyl or aryl substituents.

Hydrazines can be considered as derivatives of the inorganic hydrazine (H 2 N-NH 2), in which one or more hydrogen atoms have been replaced by hydrocarbon groups.

A solution of 4 ( mg, mmol), phenylhydrazine hydrochloride (70 mg, mmol), and acetic acid (1 mL) in 10 mL of methanol was stirring for 72 h at room temperature.

The pure phenylhydrazine boils at –°/18 mm., and is obtained as a pale yellow liquid (Note 7). It can be crystallized on cooling in an ice bath; the crystals melt at 23°.

The crude phenylhydrazine from two lots of aniline ( g.) is best distilled at one time and gives – g. of pure product (80–84 per cent of the theoretical. Phenylhydrazine is viewed as a potential carcinogen [6,7] and should be handled in a hood.

Exposure to phenylhydrazine has caused hemolytic anemia [6,7]. Phenylhydrazine is a highly reactive reducing agent, and contact with oxides of copper or iron and manganese, lead, copper, or their alloys can cause fires and explosions [7]. Structure, properties, spectra, suppliers and links for: Phenylhydrazine.

The carbonyl reagent phenylhydrazine and related compounds have been useful in finding some of the newly discovered cofactors and thus have been discussed in this edition. The topic of the control of enzyme activity through the channel of substrates and products in polyfunctional enzymes has also been expanded in this by: 6.Phenylhydrazide definition is - a hydrazide RCONHNHC6H5 formed from phenylhydrazine by reaction usually with an ester, acid chloride, or acid anhydride.PHENYLHYDRAZINE INDUCED TOXICITY: A REVIEW ON ITS HAEMATOTOXICITY.

Phenylhydrazine (PHZ) is known to cause anaemia since decades. McGraw Hill Book C ompany.