Whiteout is far from the best inhalant... I think a very popular auction website [yes, the first one that comes to mind] sells N20 chargers and crackers... and it's relatively cheap. Put that shit in a balloon and inhale on it, it makes me hallucinate but it may just be causing flashbacks... who knows. It's like a minute and thirty seconds of tripping your balls off.
The Component that makes White Out evaporate is in This.. Its not very good for you, you shouldnt use it to get high unless your familiar with it, Its a dirty Chloroform- you can make a cleaner version with acetone. bleaching powder, ice and alcohol.