Drop blamed on lower sales in the petroleum and coal products, transportation equipment and chemical industries.
Sales up in 16 of 21 industries, representing 71% of the manufacturing sector.
Production of Xylitol to begin in 2018.
DowDuPont would be split into three companies, focused on materials, agriculture and specialty products.
Cuts part of chlorine business deal.
Deal expected to close in Q1 2015.
Plant manufactures monomeric and polymeric plasticizers.