[labnetwork] C5F8 Usage and handling
Dan Woodie
daniel.woodie at cornell.edu
Wed Jan 5 13:43:19 EST 2011
Hello from the white north,
We are working on adding several of the more unusual fluorocarbon gases to our Oxford 100 tool and we are having a hard time getting clear information on proper handling and storage of some of the gases. Specifically we are looking at adding:
Difluoromethane (CH2F2)
Hexafluorobutadiene (C4F6)
Octofluorocyclopentene (C5F8)
Unlike the more common fluorocarbons such as CHF3, CF4, C4F8, these are all flammable, and the last two are also listed as toxic. MSDS information on them is also light as they are fairly new materials and most do not have TLV values set yet. Some sources are indicating that the C5F8 does not need to be in a gas cabinet, but a review of the MSDS makes me hesitant to follow that. Is anyone else using this material and if so, how do you handle it? Thanks in advance for your collective wisdom.
Dan
Dan Woodie
Lab Use Manager
Cornell NanoScale Facility
250 Duffield Hall
Ithaca, NY 14853-2700
(607)254-4891
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