It's not just propane. It's Blue Rhino. Liquefied petroleum gas UN 1075. Flammable gas 2. Propane: 4-Severe; 3-Serious; 2-Moderate; 1-slight; 0 minimal. NFPA Hazard Rating: Health hazard: 2. Fire hazard (4); Reactivity: 0. Extremely flammable gas; heavier than air. Simple asphyxiant; Odorized to warm of it's presence. Contact with liquid will cause freezing of tissue. bluerhino.com. Facebook. Twitter. Instagram. Pinterest. Youtube. Not a deposit program / No cash for empties / No refunds on unused propane. Find a Rhino Retailer: Text FIND to 75653. Follow reply instructions to find a store nearby. Text message rates may apply. or go to bluerhino.com. Need help? 1.800.258.7466; bluerhino.com. Official Propane Brand: Operation BBQ relief. OperationBBQRelief.org.