[PDF] diphenyl oxalate synthesis

Diphenyl oxalate was synthesized from transesterification of dimethyl oxalate with phenol over TS-1( 2.5 wt% Ti ) catalyst. TS-1 catalyst, as a heterogeneous catalyst, showed excellent selectivity of diphenyl oxalate and methylphenyl oxalate compared with other homogeneous catalysts.
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  • What is diphenyl oxalate made of?

    Diphenyl oxalate (trademark name Cyalume) is a solid whose oxidation products are responsible for the chemiluminescence in a glowstick.
    This chemical is the double ester of phenol with oxalic acid.

  • What is the oxidation of diphenyl oxalate?

    The diphenyl oxalate is oxidised by the hydrogen peroxide, which, amongst other products, produces the unstable compound 1,2-dioxetanedione.
    This compound is so unstable that it readily decomposes into carbon dioxide, also releasing energy as it does so.

  • Is diphenyl oxalate toxic?

    Harmful if ingested or inhaled.
    Minimize exposure to this material.
    Severe overexposure can result in injury or death.
    Follow safe industrial hygiene practices and always wear proper protective equipment when handling this compound.

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[PDF] PROCESS FOR PREPARING DIARYL ESTERS OF OXALIC ACID

Diaryl oxalates such as diphenyl oxalate are very important industrial materials for the Referential Example 1 (Preparation of an alkylaryl oxalate)



[PDF] United States Patent (19)

21 avr 1989 · A new process is described for the preparation of oxalic oxalate an expensive reactant which in its turn is pre



[PDF] CHEMILUMINESCENT MATERIALS - DTIC

A Preparation and Qualitative Evaluation of Oxalic Esters oxalate esters with hydrogen peroxide in the presence of such fluorescent



[PDF] Chemiluminescence: Synthesis of Cyalume

Chemiluminescence: Synthesis of Cyalume and Making it Glow Bis(246-trichlorophenyl)oxalate (A cyalume) Part I: Cyalume Synthesis Procedure



[PDF] Phosgene-free approaches to catalytic synthesis of diphenyl

Transesterification; Dimethyl oxalate; Diethyl oxalate; Diphenyl oxalate; Methyl phenyl oxalate; Decarbonylation; Heterogeneous; Homogeneous; Supported