WebEthylene CH2=CH2 or C2H4 CID 6325 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ... Webinformation, consult ECHA’s Poison Centres website. More information about the submission requirements can be found in the Guidance on harmonised information relating to emergency health responses3. 1.2 Background On 20 January 2009, the Classification, Labelling and Packaging (CLP) Regulation entered into
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