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Subject: Dehypon LS45 detergent

Dehypon LS45 detergent

From: Valerie Tomlinson <valerie_tomlinson<-a>
Date: Wednesday, July 30, 2008
Ian Gibb <igibb [at] blueyonder__co__uk> writes

>... Dehypon LS45, originally highlighted in the 2004
>paper by Fields et al. on alternatives to Synperonic N.  This is
>giving good cleaning performance in our study, but there seems to be
>some confusion in the MSDS information.
>In the information from Cognis Corporation (manufacturer?) the
>Ecological Toxicity is described as "Not Determined", but in a
>Technical Data Sheet from Conservation by Design (UK) the
>Environmental Precautions are "Do not allow to flow into drainage
>systems: very toxic to aquatic organisms"--both have dates in 2000.

I know that when there is no information available for an MSDS
because studies haven't been done, companies will sometimes list the
worst case scenario on the MSDS just to be on the safe side, rather
than put down nothing. MSDSs are also written with standard phrases
and terminology. "Do not allow to flow into drainage systems: very
toxic to aquatic organisms" is one of those standard phrases, and
could just mean "don't flush it down the drain because we don't
really know what it does".

Valerie Tomlinson
former conservator

                  Conservation DistList Instance 22:8
                  Distributed: Sunday, August 3, 2008
                        Message Id: cdl-22-8-006
Received on Wednesday, 30 July, 2008

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