Probably some, but you would have to completely cover every nook and cranny, which is not very practical.
That said, there is a product called Safe Seal manufactured by AFM Safecoat that is extremely nontoxic, and the manufacturer boasts that this is achievable.
- Honestly, I don't think it's worth the trouble.
- I would just try to make up for my indoor environmental quality somewhere more practical...like removing harsh cleansers and/or pesticides from under your sinks and getting rid of them or putting them in the garage.
I.E.Q. is a holistic approach, and I think it's important not to get to caught up on any one thing.
For more information:
Read "Is there a finish I can use to seal MDF surfaces on a changing table for my baby's nursery?" a Q&A answered by Debbie Sek.