The first thing that should show up on the shipping paper should be the identification number, and then proper shipping name. This will tell whoever is receiving the package exactly what is in there, and it will help the shipping companies make sure they know what to do in case of a leak.
The name will make sure they can easily find what to do. The identification number will make sure that whoever is tracking the package will be able to know what is in the package on sight, possibly without even looking down at the proper shipping name. The purpose of this shipping paper, however, is purely for safety. Everything on the identification paper is meant to help those handling the package handle it safely.