Biocide from Dow acquires EPA registration

March 25, 2010
BUFFALO GROVE, IL, March 24, 2010 -- Dow Microbial Control has acquired an EPA registration for tetrakis (hydroxymethyl) phosphonium sulfate (THPS)...

BUFFALO GROVE, IL, March 24, 2010 -- Dow Microbial Control, a business group of The Dow Chemical Company, today acquired an Environmental Protection Agency (EPA) registration for tetrakis (hydroxymethyl) phosphonium sulfate (THPS). The registration strengthens Dow's No. 1 position in the specialty biocides marketplace.

"Dow Microbial Control was built by bringing together leading solutions," said Mark Henning, general manager, Dow Microbial Control. "This registration is one in a series of smart investments made over the past decade that allow us to add value and best fulfill the needs of our customers around the world."

THPS reduces the growth of algae, molds and yeast in process water used in gas and oil, as well as industrial water treatment applications. This gives service companies an important tool for increasing asset integrity and production.

Dow's EPA registration for will boost the number of the company's THPS products as well as the domestic availability of the solution. The new offering will be sold in the U.S. under the AQUCAR™ brand name beginning in March 2010.

"We aim to deliver a wide array of technology with unmatched expertise to our customers, and this acquisition enhances to our ability to do that," Henning said. "The addition of USEPA Registration of THPS to Dow Microbial Control increases our already robust offering of sustainable solutions."

Other Dow Microbial Control products for the gas and oil and industrial water treatment industries include bronopol, dibromo nitrilopropionamide (DBNPA), glutaraldehyde and isothiazolone.

About Dow Microbial Control
Dow Microbial Control innovates with science and technology to provide long-term viable and sustainable microbial control. Our comprehensive global offering provides everything customers need to optimize formulations, including the highest performing and best supported portfolio of registered actives and products. With world-class people organization-wide and the only complete portfolio of microbial control technologies, Dow Microbial Control can solve any microbial control problem. From specialty to highly regulated and non-regulated, the company has the expertise and essentials for sustainable microbial protection for all products and processes. Ask more of us and visit

About Dow
Dow combines the power of science and technology with the "Human Element" to passionately innovate what is essential to human progress. The Company connects chemistry and innovation with the principles of sustainability to help address many of the world's most challenging problems such as the need for clean water, renewable energy generation and conservation, and increasing agricultural productivity. Dow's diversified industry-leading portfolio of specialty chemical, advanced materials, agrosciences and plastics businesses deliver a broad range of technology-based products and solutions to customers in approximately 160 countries and in high growth sectors such as electronics, water, energy, coatings and agriculture. In 2009, Dow had annual sales of $45 billion and employed approximately 52,000 people worldwide. The Company's more than 5,000 products are manufactured at 214 sites in 37 countries across the globe. References to "Dow" or the "Company" mean The Dow Chemical Company and its consolidated subsidiaries unless otherwise expressly noted. More information about Dow can be found at


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