Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound primarily used as a raw material in the manufacture of polyester fibers and fabric industry, and polyethylene terephthalate resins (PET) used in bottling.thylene glycol is used as a protecting group for carbonyl groups in organic synthesis. Treating a ketone or aldehyde with ethylene glycol in the presence of an acid catalyst (e.g., p-toluenesulfonic acid; BF3â¢Et2O) gives the corresponding a 1,3-dioxolane, which is resistant to bases and other nucleophiles.
Southwest to charge $40 to upgrade to an earlier âAâ boarding pass on the day of flight. Southwest Airlines (Dallas) customers LUV the coveted âAâ boarding group according to the airline. Now Southwest will offer an additional option to upgrade their position with the open seating at the board gate. The airline continues: Now they have one more way to be among the first to board.
Southwest Airlines is offering a 35% bonus on purchased Rapid Rewards points through April 22, 2015. Ordinarily the cost per purchased Rapid Rewards point is 2.75 cents, though through this promotion that cost is lowered to ~2.04 cents per Rapid Rewards point. Now, Iâll be the first to admit that Iâm a big fan of purchasing points when it makes sense.