WILMINGTON, Del. ( TheStreet) -- Dupont ( DD) said second-quarter earnings exceeded analysts' expectations as sales rose 26% to $8.6 billion.

On a reported basis, earnings were $1.17 billion, or $1.26 a share, vs. $421 million, or 46 cents, a year earlier. Excluding items, second-quarter profit was $1.17 a share, topping the estimates of analysts of 93 cents.

DuPont raised its full-year earnings outlook to a range of $2.90 to $3.05 a share, excluding items, from a previous forecast of $2.50 to $2.70 a share.

DuPont said the second-quarter sales increase reflects a 21% rise in volumes. Emerging markets sales rose 32%.

Our outstanding focus and disciplined execution delivered excellent results," said DuPont Chair and CEO Ellen Kullman. "DuPont's global team worked closely with customers, applying the breadth and depth of our science capabilities to meet market needs.

"We grew sales across every segment," said Chairwoman and CEO Ellen KUllman, in a statement Tuesday. "Several businesses, including electronics and titanium dioxide, delivered results that far exceeded pre-recession levels. We continue to hit our productivity and cost-control targets, and remain highly disciplined in creating operating leverage to further grow the company."

DuPont said it saw volume growth of more than 25% in its electronics and communications, performance materials, and safety and protection segments.

-- Reported by Joseph Woelfel in New York.

Get more stock ideas and investing advice on our sister site, Stockpickr.com.