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EC number: 200-835-2
CAS number: 75-05-8
The explosive substance:air ratio of acetonitrile was reported to be in
the range of 3.0 - 16.0% vol/vol
CLP defines a flammable gas as a “gas or gas mixture having a flammable
range with air at 20 °C and a standard pressure of 101.3 kPa” (Annex I:
2.2.1). CLP defines a gas as “a substance which (i) at 50 °C has a
vapour pressure greater than 300 kPa (absolute); or (ii) is completely
gaseous at 20 °C at a standard pressure of 101.3 kPa” (Annex I:
22.214.171.124). Acetonitrile is a liquid at 20 °C and has a vapour pressure
below 300 kPa at 50 °C, therefore despite the substance forming an
explosive substance:air mixture, the CLP criteria for flammable gas is
Quincy (2002) published flammable limits of 3.0 % (lower limit) and 16.0
% (upper limit) for acetonitrile at room temperature.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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