SACHEM, Inc. unveils new Envure™ line of High Purity Organic Strong Bases
Austin, TX - February 1, 2003 - SACHEM, Inc. announced today the introduction of a completely new line of high purity organic strong bases.  The Envure™ product line introduces higher molecular weight quaternary ammonium hydroxides in purity levels high enough to meet even the most stringent performance requirements. The Envure™ high purity organic strong bases have characteristic features allowing new options in product and process design.  These aqueous-based products have no vapor pressure (except for that of water), feature good organic solubility, and allow for the option of complete removal from the reaction system through the use of heat.  Quaternary ammonium hydroxides are an attractive alternative to sodium and potassium hydroxides (NaOH and KOH), providing strong base strength and lower volatility than typical amine substitutes while eliminating many side reactions and unwanted byproducts.  The Envure™ product line combines these features with unparalleled purity.

The Envure™ line of products includes: Envure™-643 Tetraethylammonium Hydroxide (TEAH) 20% Aq Envure™-846 Tetrapropylammonium Hydroxide (TPAH) 40% Aq Envure™-855 Tetrabutylammonium Hydroxide (TBAH) 55% Aq

"Microelectronics and other high performance applications have a demonstrated need for high purity bases without metal ion and halide contamination.  With the Envure™ line, we have capitalized on our quat hydroxide and high purity chemical technology strengths to meet the demanding needs of the users," said Dr. Richard Goodin, SACHEM's Vice President of Research and Development.  "The availability of a compound with strong base strength, high purity, and commercial quantity manufacturing is a powerful combination."

SACHEM is your partner in delivering extremely pure, precise, innovative chemistry solutions critical to your manufacturing processes.  Our products and services consistently deliver unparalleled purity and precision.  SACHEM responds to your most demanding challenges through the development of innovative solutions.  We apply our revolutionary service and expertise to solve your unique manufacturing challenges by providing high-value answers.

Based in Austin, TX, SACHEM has facilities in Asia, Europe and the United States.

CONTACT
Mark Stasney
Market Manager, Electronics New Business
Phone: +1 (512) 444-3626
Fax: +1 (512) 445-5066
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