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UN GHS ‒ Physical hazard classifications of chemicals: A critical review of combinations of hazard classes

  • One of the fundamental principles of the UN-GHS (Globally Harmonized System of Classification and Labelling of Chemicals) is that all hazards of a chemical should be assigned and communicated. There is no general prioritization of hazards in the sense that certain hazard classes are not applicable if another one has been assigned. In contrast to health and environmental hazards, there are physical or chemical factors which preclude certain combinations of physical hazard classes. So far, there is no common understanding as to which combinations are relevant and which not. For example, should a pyrophoric liquid be classified as flammable liquid in addition, or is this redundant and unnecessary? In the course of the implementation of the GHS by countries or sectors and the actual application by industry all over the world, such questions become more and more important. This publication systematically discusses all combinations of the UN-GHS physical hazard classes and assesses themOne of the fundamental principles of the UN-GHS (Globally Harmonized System of Classification and Labelling of Chemicals) is that all hazards of a chemical should be assigned and communicated. There is no general prioritization of hazards in the sense that certain hazard classes are not applicable if another one has been assigned. In contrast to health and environmental hazards, there are physical or chemical factors which preclude certain combinations of physical hazard classes. So far, there is no common understanding as to which combinations are relevant and which not. For example, should a pyrophoric liquid be classified as flammable liquid in addition, or is this redundant and unnecessary? In the course of the implementation of the GHS by countries or sectors and the actual application by industry all over the world, such questions become more and more important. This publication systematically discusses all combinations of the UN-GHS physical hazard classes and assesses them with regard to the relevance of possible simultaneous assignment to a chemical. For many of the combinations an unambiguous decision based on theGHS alone is not possible, thus confirming that the question which physical hazard classes might be assigned simultaneously to a chemical is not trivial. As one more milestone on the path to a globally harmonized system for the classification of hazardous chemicals, this should be discussed and ultimately solved on a global basis. It is the hope that this publication might serve as an impetus for such discussions.zeige mehrzeige weniger

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Metadaten
Autoren/innen:Cordula Wilrich, Elisabeth Brandes, Heike Michael-Schulz, Volkmar Schröder, Silke Schwarz, Klaus-Dieter Wehrstedt
Dokumenttyp:Zeitschriftenartikel
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Journal of Chemical Health & Safety
Jahr der Erstveröffentlichung:2017
Organisationseinheit der BAM:2 Chemische Sicherheitstechnik
2 Chemische Sicherheitstechnik / 2.0 Abteilungsleitung und andere
Verlag:Elsevier Inc.
Jahrgang/Band:24
Ausgabe/Heft:6
Erste Seite:15
Letzte Seite:28
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten
Freie Schlagwörter:Chemicals classification; Globally Harmonized System of Classification and Labelling of Chemicals; Hazardous chemicals; Physical hazards; UN-GHS
Themenfelder/Aktivitätsfelder der BAM:Material
Material / Materialien und Stoffe
DOI:https://doi.org/10.1016/j.jchas.2017.03.005
URL:https://www.sciencedirect.com/science/article/pii/S1871553217300336
ISSN:1871-5532
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:06.11.2017
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:05.03.2018