Yeah. I found out there is an EPA website devoted to keeping customers informed about the safety of chemicals. And as it turns out, blue dye is pretty questionable. But a lot of other hard to pronounce stuff is very safe.
http://www.epa.gov/dfe/saferingredients.htm
Link
Airship-King
I think someone did a thought experiment on this. They asked people whether they would be in favor of banning dihydrogen monoxide, and a lot of people said they were, even though it's just a fancy way of saying 'water'.