tinfoil
"The concentration of sodium azide used as a preservative in antibodies and other reagents (~0.05 to 0.1%) had an immediate effect on barrier function and viability"
I think from their document: Sodium Azide/26628-2 2-8 Acute Tox. 2 (Oral), H300 Acute Tox. 1 (Dermal), H310 0.0125%
seems like it's just a preservative
(post is archived)