Sodium azide ReagentPlus ®, ≥99.5% Synonym: Hydrazoic acid sodium salt, NSC 3072 CAS Number 26628-22-8. Sodium azide is also the chief chemical used to inflate safety airbags in automobiles. Be sure to use appropriate gloves when weighing azido salts. Persistence and degradability Sodium Azide, 0.5% w/v Persistence and degradability May cause long-term adverse effects in the environment. Molecular Weight 65.01 . Molecular weight calculation: 22.98977 + 14.0067*3 ›› Percent composition by element MDL number MFCD00003536. • Sodium azide reacts violently with several common laboratory organics such as: CS2, bromine, Bronstead acids, and heavy metals. N.I.S.T. It is formed upon deployment of air bags that use sodium azide as an inflating agent and sodium azide also forms hydrazoic acid rapidly in its use as a biocide, resulting in its direct release to the environment. traceable solution, made with purified water. The heat generated causes sodium azide to decompose into sodium metal and nitrogen gas, which inflates the car's air bags. A vehicle, upon sensing an impact, will send an electrical charge that heats the sodium azide to high temperatures – causing the rapid formation of nitrogen gas. Avoid dust formation. Convert grams Sodium Azide to moles or moles Sodium Azide to grams. There is a compound sodium nitride, Na3N, which has 3 ionic bonds, and makes more sense, in valency terms. Linear Formula NaN 3. Sodium Azide (26628-22-8) PubChem Substance ID 24899504. In fact, sodium azide is used in airbags for this very reason. EC Number 247-852-1. Sodium Azide (26628-22-8) LC50 fish 1 2.75 – 3.28 mg/l (Equivalent or similar to OECD 203, 96 h, Oncorhynchus mykiss, Flow-through system, Fresh water, Experimental value) 12.2. Sodium azide is very toxic to aquatic life and may cause long-term adverse effects in the aquatic environment. Safe Handling of Sodium Azide (SAZ) Sodium azide (SAZ, CAS# 26628-22-8)1,2 is a white crystalline solid [molecular formula of (NaN 3)] used in organic synthesis and also as a well-known preservative at low concentrations in molecular biology reagents. Sodium azide is used extensively as an intermediate in the production of lead azide. The thermal decomposition of sodium azide to produce nitrogen and sodium. Sodium azide Revision Date 25-Apr-2019 Reactive Hazard Yes Stability Risk of explosion by shock, friction, fire or other sources of ignition. Laboratory method receiving of … Under normal circumstances, this molecule is quite stable. NACRES NA.21 Conditions to Avoid Incompatible products. When attempting a new reaction, be relentless in your background ›› Sodium Azide molecular weight. Sodium azide 5% (w/v) in aqueous solution, VWR Chemicals BDH® Sodium azide. The biological uses of azides include inhibition of respiration, differential selection procedures for bacteria, and bacteriocidal agents in diagnostic products (5.9, 5.10). Heat, flames and sparks. This reaction takes place at a temperature of 300°C in the under strictly controlled conditions [16]. Molar mass of NaN3 = 65.00987 g/mol. • Azide ion has a similar toxicity as that of cyanide ion (LD 50 = 27 mg/kg for rats). Actually nitrogen has valency -3, which might lead you to believe that the sodium is +9! Avoid shock and friction.
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