Sodium azide

Sodium azide Property

mp : 275 °C bp : 300 °C density : 1.85 Fp : 300 °C storage temp. : 2-8°C solubility : H2O: 1 M at 20 °C, clear, colorless Water Solubility : 420 g/L (17 ºC) Sensitive : Air & Moisture Sensitive Merck : 14,8581 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. CAS DataBase Reference: 26628-22-8(CAS DataBase Reference) EPA Substance Registry System: Sodium azide (Na(N3))(26628-22-8)

Safety

Hazard Codes : Xn,T,N,T+ Risk Statements : 28-32-50/53-52/53-22-27-21/22 Safety Statements : 61-60-45-28A-28-36/37 RIDADR : UN 1687 6.1/PG 2 WGK Germany : 2 RTECS : VY8050000 HazardClass : 6.1 PackingGroup : II Hazardous Substances Data: 26628-22-8(Hazardous Substances Data)

Sodium azide Chemical Properties,Usage,Production

Chemical Properties White crystalline powder 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.

Sodium azide Preparation Products And Raw materials

Raw materials Hydrazinium hydroxide Etanol Hydrazine hydrate Sodium nitrite 1-Butanol

Preparation Products Candesartan 1-Phenyltetrazole-5-thiol 2,4,6-Triisopropylbenzene-sulfonyl azide Zidovudine Amylamine TETRAHYDROTHIOPHENE SULFOXIMINE 5-AMINOMETHYL-PYRROLIDIN-2-ONE PYRIDINE-2,4-DIAMINE 2,6-DICHLORO-4-ISOCYANATOPYRIDINE ZENIPLATIN 2-ISOCYANATO-1-METHYL-1H-PYRROLE Gabapentin hydrochloride Azidotrimethylsilane 3-ISOCYANATO-1,5-DIMETHYL-1H-PYRAZOLE Methyl 1H-indole-2-carboxylate 1-[2-(Dimethylamino)ethyl]-1H-tetrazole-5-thiol 3-Butyl-2-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-2,4-diazaspiro[4.4]non-3-en-1-one METHYL 6-(TRIFLUOROMETHYL)-1H-INDOLE-2-CARBOXYLATE 5-Mercapto-1H-tetrazole-1-methane sulphonic acid 1,5-DIMETHYL-1 H-PYRAZOL-3-YLAMINE Azosemide PEMIROLAST 1-METHYL-1H-IMIDAZOL-5-YL ISOCYANATE 1,5-Diazabicyclo[4.3.0]non-5-ene 2-THIOPHENAMINE ROTENONE S-(1-BUTYL)-S-(5-BUTYLNONAN-5-YL) SULFOXIMINE ISOCYANATO(METHOXY)METHANE 4-FLUORO-2,1,3-BENZOXADIAZOLE 4-(TRIFLUOROMETHYL)PHENYL ISOCYANATE Losartan 5-Mercapto-1-methyltetrazole 2-ISOCYANATO-4,6-DIMETHOXYPYRIMIDINE 1,4-OXATHIANE SULFOXIMINE Benzenesulfonylazide diazepam-polyhydroxybutyrate microspheres cis-1,2-Diaminocyclohexane 5-METHOXYQUINOLIN-6-AMINE S-METHYL-S-(2-METHYLPYRAZINYL) SULFOXIMINE Azimsulfuron

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