Avoid shock and friction. The material is soluble in water. Sodium nitrate and potassium nitrate is a white crystalline solid. Heat, flames and sparks. Sodium azide Revision Date 25-Apr-2019 Reactive Hazard Yes Stability Risk of explosion by shock, friction, fire or other sources of ignition. Upon heating or irradiation with ultraviolet light, it decomposes into potassium metal and nitrogen gas. chemBlink provides a free database of chemicals from around the World, searchable for product identifications, CAS numbers, molecular formulas and structures, chemical and physical properties, safety data, suppliers and their web addresses. Potassium azide. Lead (II) azide has the molecular formula of Pb(N3)2. Formula and structure: The lead (II) azide chemical formula is Pb(N 3) 2 and its molar mass in 291.242 g mol-1.The molecule is formed by the lead (II) cation, Pb +2 and 2 azide anions N 3-.The anion azide is formed 3 nitrogen atoms which are bound by 2 double bonds; the anion also has two partial negative charges and one partial positive charge: -N-=N + =N--. It is a salt of hydrazoic acid, and crystallizes in a tetragonal structure. If oxygen is present, a brownish-orange cloud of precipitate or floc will appear. Alfa Aesar is a leading manufacturer and supplier of research chemicals, pure metals and materials for a wide span of applications. The N 2 generated in this second reaction also fills the airbag, and the metal oxides react with silicon dioxide (SiO 2 ) in a final reaction to produce silicate glass, which is harmless and stable. Formula: KN 3; Molecular weight: 81.1184; Information on this page: Notes; Data at other public NIST sites: X-ray Photoelectron Spectroscopy Database, version 4.1; Options: Switch to calorie-based units Free, fast text access to hundreds of thousands of NMR, IR, Raman, UV-Vis, and mass spectra. The combination of sodium periodate, potassium iodide, and sodium azide is an efficient, simple, and inexpensive reagent system for azidoiodination of alkenes. Mix the sample by inverting several times. Avoid dust formation. Add 2 mL of alkali-iodide-azide reagent in the same manner. The Organic Chemistry Portal offers an overview of recent topics, interesting reactions, and information on important chemicals for organic chemists.. Archive: 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, More Alkylated Stereogenic Centers: The Dong Synthesis of Leubethanol 15 February 2021 - Douglass F. Taber Synonym: 4-Methylbenzenesulfonyl azide solution, p-Toluenesulfonazide solution, Tosyl azide solution Empirical Formula (Hill Notation): C 7 H 7 N 3 O 2 S Molecular Weight: 197.21 The nucleophilic conjugate base of this acidic nitrogen species is then prepared by treatment with sodium or potassium hydroxide, and this undergoes an S N 2 reaction with a 1º or 2º-alkyl halide. Search Find response information for thousands of hazardous materials, including fire and explosion hazards, health hazards, firefighting techniques, cleanup … Unlike heavy-metal azides, it is not sensitive to shock, but may explode if heated rapidly. Lead (II) azide has the molecular weight of 291.2 grams per mole. Potassium Azide (CAS NO.20762-60-1) is a colorless crystals. 127 "g NaN"_3 We're asked to find the mass, in "g", of sodium azide ("NaN"_3) needed to produce a certain amount of "N"_2. Conditions to Avoid Incompatible products. Organic Chemistry Portal. Finally, the activating group is removed by hydrolysis (phthalimide) or reductive cleavage (sulfonamide) to give the desired amine. It is noncombustible but it will accelerate the burning of combustible materials. Check for air bubbles; discard the sample and start over if any are seen. The molar mass and molecular weight of Potassium Azide (KN3) is 81.118. If large quantities of the material are involved in the fire or the combustible material is finely divided an explosion may result. First, the sodium reacts with potassium nitrate (KNO 3) to produce potassium oxide (K 2 O), sodium oxide (Na 2 O), and additional N 2 gas. Stopper the bottle with care to be sure no air is introduced. The regiospecific 1,2-azidoiodination proceeds in an anti-Markovnikov fashion to produce β-iodoazides in excellent yields.