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  2. Cyclohexene - Wikipedia

    en.wikipedia.org/wiki/Cyclohexene

    Benzene is converted to cyclohexylbenzene by acid-catalyzed alkylation with cyclohexene. [6] Cyclohexylbenzene is a precursor to both phenol and cyclohexanone. [7] Hydration of cyclohexene gives cyclohexanol, which can be dehydrogenated to give cyclohexanone, a precursor to caprolactam. [8] The oxidative cleavage of cyclohexene gives adipic acid.

  3. CLEAPSS - Wikipedia

    en.wikipedia.org/wiki/CLEAPSS

    CLEAPSS provides: [5] termly newsletters for primary and secondary schools, a wide range of free publications, model risk assessments, special risk assessments, low-cost training courses for technicians, teachers and local authority officers, a telephone helpline which takes nearly 7,000 calls per year, a monitoring service, e.g. for mercury ...

  4. Process hazard analysis - Wikipedia

    en.wikipedia.org/wiki/Process_Hazard_Analysis

    A simple element of risk quantification is often introduced in the form of a risk matrix, as in preliminary hazard analysis (PreHA). The selection of the methodology to be used depends on a number of factors, including the complexity of the process, the length of time a process has been in operation and if a PHA has been conducted on the ...

  5. 1-Methylcyclohexene - Wikipedia

    en.wikipedia.org/wiki/1-Methylcyclohexene

    1-Methylcyclohexene an organic compound consisting of cyclohexene with a methyl group substituent attached to the alkene group. Two other structural isomers are known: 3-methylcyclohexene and 4-methylcyclohexene. All are colorless volatile liquids. They are specialized reagents.

  6. Scientists link surge in heavy metals in soil to California ...

    www.aol.com/scientists-surge-heavy-metals-soil...

    Scientists at San Jose State University say that a large fire that burned at a battery plant in Monterrey County, California earlier this month has left heightened levels of heavy metals in a ...

  7. 4-Methylcyclohexene - Wikipedia

    en.wikipedia.org/wiki/4-Methylcyclohexene

    4-Methylcyclohexene is an organic compound consisting of cyclohexene with a methyl group substituent attached to carbon most distant from the alkene group. Two other structural isomers are known: 1-methylcyclohexene and 3-methylcyclohexene. All are colorless volatile liquids classified as a cyclic olefins. They are specialized reagents.

  8. Chemical safety assessment - Wikipedia

    en.wikipedia.org/wiki/Chemical_Safety_Assessment

    Chemical Safety Reports are the main end point for data assessment under REACH (the European Community Regulation on chemicals and their safe use, concerning the Registration, Evaluation, Authorisation and Restriction of Chemical substances [4]) in which hazard and exposure data are considered together to assess the risk of a substance. [5]

  9. Mortgage and refinance rates for Feb. 5, 2025: Average rates ...

    www.aol.com/finance/mortgage-and-refinance-rates...

    See today's average mortgage rates for a 30-year fixed mortgage, 15-year fixed, jumbo loans, refinance rates and more — including up-to-date rate news.