Paints & Coatings Resource Center

Ask the Expert Question-and-Answer Archive

by Ron Joseph

September, 2006

Exempt Solvents

Q: I am looking for an exempt solvent that has a flash point of over 74° F. Is there a solvent that meets that criteria? I need the coating to be a  DOT class II for shipping purposes. I thank you in advance for your help.

A: The exempts solvents from which you can choose are acetone, methyl acetate, para-chlorobenzotrifluoride (PCBTF), methyl siloxanes. It is possible that t-butylacetate has been added to the list, although I don't see it on the EPA website. Each has its own unique properties and might or might not perform well in a coating. I will leave it to you to look up the flash point and determine if any of these is applicable to your application.  

If you go to and look at Section 51.100 (s) you will see a full list of the exempt solvents. This list was last updated in 2003.

Best wishes,

Ron Joseph

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