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Decontaminants, Chemical Neutralization, Strong Base, Solution Number 2

Definition : Strong base chemical neutralization decontaminants (known as decontamination solution number 2 [DS2]) consisting of a combination of a strong base dissolved into an organic solvent. Their composition typically consists of 2% sodium hydroxide (NaOH) dissolved into 70% diethylenetriamine (DETA) and 28% 2-methoxyethanol (also known as ethylene glycol monomethyl ether [EGME]). Propylene glycol monomethyl ether is sometimes used as a substitute for EGME in the mixture, this composition is known as DS2P. DS2 reacts instantly with nerve agents of the G series and VX, as well as with mustard (HD) at ambient temperatures; it is generally noncorrosive and has long-term storage stability but can damage paints, plastics, and rubber materials. DS2 is very effective for neutralization of chemical agents and many biological agents; it should be rinsed off with water after 30 minutes to minimize the damage on paints, plastics, and rubber.

Entry Terms : "DS2P Decontaminants" , "C1 Decontaminants" , "DS2 Decontaminants" , "Decontamination Solutions (Number 2)"

UMDC code : 20561


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Tradeways Ltd. is a recognized leader in the international Nuclear, Biological, and Chemical (NBC) Defense Community, specializing in the fielding of NBC Defense equipment by allied governmental organizations.

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