Sodium azide is a rapidly acting, potentially deadly chemical that exists as an odorless white solid. This will be indicated on the datasheets in the storage buffer section. Contact with acids produces highly toxic gas – hydrazoic acid. When not to use sodium azide To prevent microbial contamination, sodium azide can be added to an antibody preparation to a final concentration of 0.02% (w/v). When it is mixed with water or an acid, sodium azide changes rapidly to a toxic gas with a pungent (sharp) odor. • Close proximity to acids, acid vapor or heat generating processes should be avoided. Storage considerations: • Sodium azide can be stored with other acutely toxic materials in a dark, cool, dry location away fr om acids. Many of our antibodies already contain this preservative at concentrations ranging from 0.02 to 0.05%. Do not let this chemical enter the environment. Store in a tightly closed container. Storage: Store in a cool, dry place. Description: Sodium azide used as a preservative for laboratory reagents; a bacteriostatic agent in storage solutions. Within TRGS 510, you'll find a "compatibility table" that specifies, which storage classes may (not) be stored together. Materials from LGK 6.1 A may be stored … Sodium azide belongs to the LGK 6.1 A (flammable , acute toxic hazardous materials of category 1 and 2). Over a period of time, sodium azide may react with copper, lead, brass, or solder in plumbing systems to form an accumulation of the highly explosive compounds of lead azide and copper azide.
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