Halotron I is a fire-extinguishing agent based on the raw material HCFC-123 (93%) mixed with tetrafluoromethane and argon as propellants. It was originally introduced in 1992 to replace the severely ozone depleting halon 1211, or bromochlorodifluoromethane (BCF).
DOT SHIPPING NAME: UN1956, Compressed Gases, N.O.S.,
DOT SHIPPING LABEL: Nonflammable Gas IMCO CLASS: 2.2
References
Halotron I Wikipedia(Text) CC BY-SA