Corexit 9527  is most like 409 cleaner  

They both have some ethylene oxide?

 

Note Corexit 9580 comments from 8-1-89   

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Ethylene Oxide is the only ingredient given

 

Comments a UK chemical analyst  *

Ethylene oxide is linked to peritoneal cancer and leukemia, and also has mutagenic and reproductive effects. Inhalation causes nausea, vomiting, neurological disorders, and even death. Traces of gas in gloves or clothing may cause burns. Residues in vascular catheters can cause thrombophlebitis; in endotracheal tubes, tracheitis.

10-19-03