sodium azide

Steven Cohen sbc4 at PO.CWRU.EDU
Mon Sep 9 23:42:32 EST 1996

At 02:46 PM 9/9/96, you wrote:
>Does anyone have a reference(s) for:
2) safety issues regarding pH and sodium azide (i.e. at what pH does fuming 
>become a problem, etc.)
At acidic pH Sodium azide becomes Azoic Acid. I do not know the pKa, but at
ph 4 it will visibly fume if the concentration is high enough. Azoic acid is
a bad actor. It is a potent cardiac stimulant.


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