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Chemically unstable gases and gas mixtures - new categories in the GHS

  • In connection with the use of chemically unstable gases (especially acetylene and ethylene oxide) accidents keep on happening - amongst them also quite serious ones. These gases are known to be chemically unstable. A chemically unstable sas is a flammable gas that is able to react exolosivelv even in the absence of air or oxveen. The investigation of accidents showed that the Chemical instability of flammable gases played an important role in the severity of accidents. Therefore, this hazardous property was included in the global harmonizatiön of the Classification of Chemicals. The Classification of chemically unstable flammable gases and mixtures is an amendment to Chapter 2.2 “Flammable gases” of the UN Globally Harmonized System of Classification and Labelling of Chemicals (GHS), because most chemically unstable gases are flammable as well. The proposal to add them to the GHS originated from the experts of an informal working group of the UN Sub-Committee of Expert on the GHSIn connection with the use of chemically unstable gases (especially acetylene and ethylene oxide) accidents keep on happening - amongst them also quite serious ones. These gases are known to be chemically unstable. A chemically unstable sas is a flammable gas that is able to react exolosivelv even in the absence of air or oxveen. The investigation of accidents showed that the Chemical instability of flammable gases played an important role in the severity of accidents. Therefore, this hazardous property was included in the global harmonizatiön of the Classification of Chemicals. The Classification of chemically unstable flammable gases and mixtures is an amendment to Chapter 2.2 “Flammable gases” of the UN Globally Harmonized System of Classification and Labelling of Chemicals (GHS), because most chemically unstable gases are flammable as well. The proposal to add them to the GHS originated from the experts of an informal working group of the UN Sub-Committee of Expert on the GHS (UNSCEGHS) headed by BAM, Germany. The UNSCEGHS has decided to include it in the Fourth Revised Edition of the GHS. The respective method for determining whether a gas is chemically unstable or not, is included in the UN Manual of Tests and Criteria. This paper presents some experimental investigations of these gases, the test methods, examples of new classifications and results from CHEMSAFEzeige mehrzeige weniger

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Metadaten
Autor*innen:Maria Molnarne, Cordula WilrichORCiD, Kai Holtappels
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):14th Annual symposium, Mary Kay O´Connor process safety center - Beyond regulatory compliance: making safety second nature (Proceedings)
Jahr der Erstveröffentlichung:2011
Herausgeber (Institution):Texas A&M University
Erste Seite:871
Letzte Seite:882
Freie Schlagwörter:Chemically unstable gases; Chemisch instabile Gase; GHS
Veranstaltung:14th Annual symposium, Mary Kay O´Connor process safety center - Beyond regulatory compliance: making safety second nature
Veranstaltungsort:College Station, TX, USA
Beginndatum der Veranstaltung:25.10.2011
Enddatum der Veranstaltung:27.10.2011
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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