The deal will create a global leader to overtake France's Air Liquide with a combined market value of $75 billion, revenue of $30 billion and 88,000 staff.
Linde will need 75 percent of its shareholders to tender their stock to the new company. Praxair needs a simple majority vote at a shareholder meeting, which Linde said on Tuesday had been set for Sept. 27.
(Reporting by Maria Sheahan; Editing by Victoria Bryan)