Occasional explosions have occurred when aluminum hydride was stored in ether. The explosions have been blamed on the presence of carbon dioxide impurity in the ether, [J. Amer. Chem. Soc. 70:877(1948)]. Diethyl ether and chromium trioxide react violently at room temperature. Solid acetyl peroxide in contact with ether or any volatile solvent may explode violently. A 5-gram portion in ether detonated while being carried, [Chem. Eng. News 27:175(1949)]. Nitrosyl perchlorate ignites and explodes with diethyl ether.
Area code 269 is the telephone area code serving the southwest portion of Michigan's Lower Peninsula. Communities using 269 include Dowagiac, Allegan, Battle Creek, Kalamazoo, Paw Paw, Portage, Otsego, Plainwell, St. Joseph, Benton Harbor, Marshall, Niles, Three Rivers, Sturgis, South Haven, Berrien Springs, and Bridgman. 269 was created in a July 2002 split of area code 616. The 269 area covers roughly the lower third of 616 before the split.
Metropolitan area codes with 651 in dark green. A map of Minnesota area codes. Area code 651 is the telephone numbering plan code for Saint Paul, Minnesota, and the eastern suburbs of the Twin Cities. A dogleg portion also extends to the southeast along the Mississippi River to include cities such as Red Wing.The region was the fifth area code created in the state in 1998, when it was carved out of area code 612. dogleg portion also extends to the southeast along the Mississippi River to include cities such as Red Wing. The region was the fifth area code created in the state in 1998, when it was carved out of area code 612.