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benzene    音标拼音: [bɛnz'in] [b'ɛnzin]
n. 苯



benzene
n 1: a colorless liquid hydrocarbon; highly inflammable;
carcinogenic; the simplest of the aromatic compounds [synonym:
{benzene}, {benzine}, {benzol}]


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  • Benzene | Chemical Emergencies | CDC
    Benzene is a colorless or light-yellow liquid chemical at room temperature Signs and symptoms of benzene poisoning depend on how you were exposed Get clean and get medical care if you were exposed
  • Benzene - IDLH | NIOSH | CDC
    Benzene Print May 1994 Immediately Dangerous to Life or Health Concentrations (IDLH) CAS number: 71-43-2 NIOSH REL: 0 1 ppm TWA, 1 ppm STEL; NIOSH considers benzene to be a potential occupational carcinogen as defined by the OSHA carcinogen policy [29 CFR 1990] Current OSHA PEL: 1 ppm TWA, 5 ppm STEL 1989 OSHA PEL: Same as current PEL
  • Benzene: Systemic Agent | NIOSH | CDC
    Benzene is used to make chemicals used in the manufacture of industrial products such as dyes, detergents, explosives, pesticides, synthetic rubber, plastics, and pharmaceuticals
  • CDC - NIOSH Pocket Guide to Chemical Hazards - Benzene
    Benzol, Phenyl hydride Colorless to light-yellow liquid with an aromatic odor [Note: A solid below 42°F ]
  • OSHA Respirator Requirements for Selected Chemicals | NIOSH | CDC
    Revisions to the OSHA Respiratory Protection Standard (29 CFR 1910 134) became effective on April 8, 1998 Incorporated within the preamble of this ruling were changes to OSHA regulations for several chemicals or substances, which are listed as subheadings in blue text throughout this appendix
  • HYDROCARBONS, AROMATIC 1501
    APPLICABILITY: This method is for peak, ceiling, and TWA determinations of aromatic hydrocarbons Interactions between analytes may reduce breakthrough volumes and affect desorption efficiencies Naphthalene, originally validated in S292 [4], failed to meet acceptable desorption efficiency recovery and storage stability criteria at the levels evaluated in this study However, the application
  • BENZENE-SOLUBLE FRACTION AND TOTAL PARTICULATE 5042 (ASPHALT FUME)
    The bias for the benzene-soluble fraction was negative (see the data above), and since the bias for the benzene- soluble fraction varied little, the bias was pooled over the spiking range of 1 85 to 0 20 mg per filter
  • CDC - NIOSH Pocket Guide to Chemical Hazards - Ethyl benzene
    Ethylbenzol, Phenylethane Colorless liquid with an aromatic odor
  • HYDROCARBONS, BP 36°-216 °C 15
    REAGENTS: benzene, chromatographic Analytes, reagent grade * Helium, prepurified and filtered drogen, prepurified and filter
  • Ethyl benzene - IDLH | NIOSH | CDC
    Sensory irritation, pulmonary irritation, and respiratory stimulation by airborne benzene and alkylbenzenes, prediction of safe industrial exposure levels and correlation with their thermodynamic properties





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