5.1 Extinguishing mediaSuitable extinguishing mediaUnsuitable extinguishing media : Use an extinguishing agent suitable for the surrounding fire.: None known. 5.2 Special hazards arising from the substance or mixture Hazards from the substance or mixtureHazardous thermal decomposition products : In a fire or if heated, a pressure increase will occur and the container may burst.: Decomposition products may include the following materials: carbon dioxidecarbon monoxide nitrogen oxides sulfur oxides metal oxide/oxides 5.3 Advice for firefightersSpecial protective actions for fire-fighters : Promptly isolate the scene by removing all persons from the vicinity of the incident if there is a fire. No action shall be taken involving any personal risk or without suitable training. Special protective equipment for fire-fighters : Fire-fighters should wear appropriate protective equipment and self-contained breathing apparatus (SCBA) with a full face-piece operated in positive pressure mode. Clothing for fire-fighters (including helmets, protective boots and gloves) conforming to European standard EN 469 will provide a basic level of protection for chemical incidents.