Air Products Offers $5.1 Billion For Airgas By: MarketMinute.com Stock News February 05, 2010 at 12:09 PM EST Air Products and Chemicals Inc. (NYSE: APD) offered approximately $5.1 billion in cash to acquire Airgas Inc. (NYSE: ARG). Shares of Air Products tumbled $4.97 to $68.72 while Airgas stock leaped $16.71 to $60.24. Related Stocks: Air Products & Chemicals Airgas