Dow Chemical Co , the largest chemical maker in the United States, posted a 74 percent jump in quarterly profit as sales surged in all business units and geographic regions.

For the second quarter, the company posted net income of $982 million, or 84 cents per share, compared with $566 million, or 50 cents per share, a year earlier.

Excluding a debt repayment charge, Dow earned 85 cents per share.

By that measure, analysts expected earnings of 81 cents per share, according to Thomson Reuters I/B/E/S.

Revenue rose 18 percent to $16.05 billion. Analysts expected $14.74 billion.

(Reporting by Ernest Scheyder; Editing by Lisa Von Ahn)