Characteristic

Tantalum hafnium carbide is a refractory chemical compound with a general formula Ta_xHf_y-xC_y, which can be considered as a solid solution of tantalum carbide and hafnium carbide. Individually, these two carbides have the highest melting points among the binary compounds, 4,150 K (3,880 °C; 7,010 °F) and 4,201 K (3,928 °C; 7,102 °F), respectively, and their "alloy" with a composition Ta4HfC5 is believed to have a melting point of 4,263 K (3,990 °C; 7,214 °F).

Chemical formula：Ta₄HfC₅

Melting point 3,990 °C; 7,214 °F; 4,263 K

Tantalum hafnium carbide-MSDS.pdf