Volume 47, Issue 4 (July 2002)

    GC/MS Determination of Pyrolysis Products from Diacetylmorphine and Adulterants of Street Heroin Samples

    (Received 31 December 2001; accepted 19 December 2001)

    Published Online: July

    CODEN: JFSOAD

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    Abstract

    The inhalation of heroin vapors after heating on aluminium foil (“chasing the dragon”) is gaining popularity nowadays among heroin users seeking to avoid the risks of parenteral drug administration. The heroin-smoking procedure was simulated under laboratory conditions by heat-ing the samples on aluminium foil at 250 to 400°C and collecting the vapors in a condenser trap. A total of 72 pyrolysis products of diacetylmor-phine, street heroin, residues from aluminium foils used to smoke street heroin, typical by-products, and adulterants were detected by gas chro-matography/ mass spectrometry (GC/MS). About half of these compounds could be identified. Diacetylmorphine (base and salt) undergoes substantial to complete degradation. Some typical street heroin constituents, like morphine, codeine, acetylcodeine, papaverine, and caffeine, are rather heat-stable. Other compounds, like noscapine and paracetamol, are pyrolyzed to a greater extent. The principal chemical reactions leading to the formation of pyrolysis products are desacetylation, transacetylation, N-demethylation, O-methylation, ring cleavage and oxydation.


    Author Information:

    Hasler, F
    University of Bern, Bern,

    Brenneisen, R
    University of Bern, Bern,


    Stock #: JFS15456J

    ISSN: 0022-1198

    DOI: 10.1520/JFS15456J

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    Title GC/MS Determination of Pyrolysis Products from Diacetylmorphine and Adulterants of Street Heroin Samples
    Symposium , 0000-00-00
    Committee E30