From: Ralph B Stuart <rstuart**At_Symbol_Here**CORNELL.EDU>
Subject: [DCHAS-L] Conjugated picric acid hazards?
Date: January 27, 2012 12:32:28 PM EST
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: <1B4D1665F78352429F7714A6540EB036096A55D6**At_Symbol_Here**>

Our biosafety officer is reviewing work that includes the use of a couple of forms of conjugated picric acid (TNP-AECM-FICOLL and TNP-Chicken Gamma Gobulin). The MSDS's are pretty skimpy, but include the advice to store it in a dessicated environment. This is counterintuitive to us and the MSDS's are vague enough about the material's reactivity ("Risk of explosion by mechanical impact: Not Available") that we'd like confirmation from people with more experience in the use of this material that picric acid's explosivity is not a concern in this application.

Does anyone on the list have more information about this concern?

Thanks for any help with this.

- Ralph

Ralph Stuart CIH
Laboratory Ventilation Specialist
Department of Environmental Health and Safety
Cornell University


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