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Sodium azide


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Packaging Details: 25KG/paper drum
Delivery Detail: 15 days after order

PRODUCT NAME: Sodium azide
Mainly used in making of alternate nitrides,the organic synthesis of medicines and farm chemicals,gasification agent of automobile security gasbag and as well as enzyme prevention ,antisepsis of serum and measurement of effluent nitrogen content,etc.

MP 275 °C
BP 300 °C
Density 1.85
FP 300 °C
storage temp.
Solubility H2O: 1 M at 20 °C, clear, colorless
Water Solubility 420 g/L (17 ºC)
Sensitive Air & Moisture Sensitive
Stability Unstable. Avoid heat, sources of ignition, moisture, shock, friction. Incompatible with strong oxidizing agents, mineral acids, water, halogen acids and halogen compounds, barium carbonate, bromine, carbon disulphide, mercury, dimethyl sulphate, common metals, especially brass, copper, lead, silver, strong acids.
General Description A colorless crystalline solid. Density 1.85 g / cm3. Burns in air and may explode if large quantities are involved. Toxic by ingestion. Toxic oxides of nitrogen are produced in fires.
Air & Water Reactions Soluble in water. Addition of water to Sodium azide which was heated caused a violent reaction, [Angew. Chem. 1952, 64, 169]. Dust may form an explosive mixture in air.
Reactivity Profile Sodium azide is unstable. Decomposes rapidly or explosively at about 300°C [Hawley]. May explode if shocked. Forms violently explosive products if exposed to carbon disulfide. Can be sensitized toward decomposition by metal salts (especially heavy metal salts such as silver chloride) or by traces of strong acids [Sax, 9th ed., 1996, p. 298].
Health Hazard Can cause death by affecting the central nervous system. Contact may cause burns to skin and eyes.
Fire Hazard When heated to decomposition, Sodium azide emits very toxic fumes of nitrogen oxides; explosive. Forms explosive-sensitive materials with some metals such as lead, silver, mercury or copper. May form toxic hydrazoic acid fumes in fire. Containers may explode in fire. Avoid acids, benzoyl chloride and potassium hydroxide; bromine; carbon disulfide; copper; lead; nitric acid; barium carbonate; sulfuric acid; chromium (II) hypochlorite, dimethyl sulfate, water, dibromomalononitrile, lead, silver, copper, mercury. Hazardous polymerization may not occur.
Item Specification Results
Appearance While crystalline powder Conform
Assay 99.0%min 99.41%
Free alkali 0.2%max 0.10%
Loss on drying 0.2%max 0.11%
Insoluble in water 0.05%max Conforms
Heavy metals 30ppm max Conforms
Clarity Transparent& clear Conforms

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