It has most likely just oxidized up to benzoic acid.On Tue, Feb 18, 2014 at 6:59 PM, Wayne Phan <Wayne.Phan**At_Symbol_Here**pomona.edu> wrote:
I just did a lab safety inspection and found a bottle of Benzaldehyde with crystal formation. The bottle is dated back to 5-25-1989. I am not sure if this is peroxide or just polymer being formed. What are your thoughts? If it is peroxide, what is the proper protocol for handling it?
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