The Hazard Characteristic Code (HCC) designation for Gas, Flammable. Hazard Group & Comments: Any product, other than a flammable aerosol, which is required to be shipped as a UN Class 2.1 (Flammable gas) under 49 CFR 173.115 (a)
Interactive Learning Paradigms Incorporated ILPI (Knowledge at the Speed of Light), The MSDS Hyper Glossary (Home Page of the Material Safety Data Sheet Hyper Glossary), ILPI, NJ, USA 2011. http://www.ilpi.com/msds/ref/index.html, (MSDS - Amer) {448}