Rhenium (Re) is a silvery-gray, heavy, transition metal. The major application of rhenium is as an alloying element in Nickel-based superalloys used in combustion chambers, turbine blades, and exhaust nozzles of jet engines. The second-most important use is as a catalyst: rhenium is an excellent catalyst for hydrogenation and isomerization, and is used for example in catalytic reforming of naphtha for use in gasoline. Due to its high value, it is usually used as a coating material in catalyst application.

The dimensions and purities can be customized upon request. Please contact us for customization or bulk orders.

Name	Rhenium
Chemical Formula	Re
CAS #	7440-15-5
Atomic Number	75
Molecule Weight (g/mol)	186.207
Color/Appearance	Grayish White, Metallic
Purity	≥99.9%, 3N or ≥99.99%, 4N
Thermal Conductivity (W/m.K)	48
Melting Point (°C)	3,180
Coefficient of Thermal Expansion (/K)	6.2 x 10^-6
Theoretical Density (g/cm³)	21.02
Z Ratio	0.15
E-Beam	Poor
Temp. (°C) for Given Vap. Press. (Torr)	10^-8: 1,928 10^-6: 2,207 10^-4: 2,571

MSE Supplies offers a variety of crucibles for evaporation materials. We can customize the dimensions based on your requirements.

References:

1. High-temperature field evaporation of rhenium. Technical Physics 47, no. 8 (2002): 1038-1043.

2. Rhenium coating prepared on carbon substrate by chemical vapor deposition. Applied surface science 261 (2012): 390-395.

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