http://www.airgas.com/documents/pdf/001002.pdf
We get MSD Sheets from all our subcontractors, as per law, for whatever they are planning to bring to our jobsite. Our steel erector brought in his packet today and among the usual oxy and acetelyne and welding rods, there was this one. I had to laugh. I sure hope he ain't planning on bringing any of this stuff around! At first I thought it was a joke, but I looked it up on the company website and got the link. Man, you don't want any of this stuff on you.
I realize there is a significant hazard from bursting compressed gas cylinders, but that's not what this is about. Check out section 4-first aid measures: If inhaled, remove to fresh air

Skin contact:flush with plenty of water (that's gonna be a looong shower, if you ever hope to get it all off) Make sure you don't get it in your eyes. Remove contaminated clothing and shoes. Thoroughly clean shoes before re-use. Get medical attention. From the booby hatch.
Section 6: Accidental Release Measures: Immediately contact emergency personnal. I'm so sure. And tell them what? I can just hear the laughter now. After they arrest me for wasting their time.
At least the stuff is not known by the State of California to cause cancer. Unless, of course, it's Californian air that contaminates you

(Just kidding, Cal)
Gee, I miss common sense.