The ruthenium oxide (RuO2) manufactured by Fuel Cells ETC (FCE) is a fine powder that can be used as a catalyst or electrocatalyst in various applications such as chlorine gas generation via Sumitomo-Deacon process, thick-film resistors, electrical contacts, chlorine oxide generation, oxygen generation, ammonia and acetic acid production, supercapacitors, sensors, microelectronics, water treatment, just to name a few.

This product has a BET surface area of 20-30 m2/gram. The average crystallite size is calculated as 39.5 nm for this product. The average particle size was measured as ~25 microns.

Ruthenium Oxide, 20-30 m2/gram BET surface area, Technical Specification Sheet

FCE Catalyst Properties
Appearance	Dark grey to black powder
Molecular Formula	RuO2
Molecular Weight	133.07 g/mol
Purity	> 99.9% (3N)
Particle Morphology	Irregular/rough-surfaced grains
Average Particle Size	25 µm (D₅₀, Laser Diffraction)
Particle Size Range	0 - 100 microns (measured with laser diffraction method)
BET Surface Area	20 - 30 m2/gram
Bulk Density	~1.4 g/cm3
Color	Black
Structure	Rutile-phase RuO2
Database Reference	COD Card No. (1538150); JCPDS No. (40-1290)
Space Group	P4₂/mnm
Secondary Phases	None detected (via PXRD)
Instrument for Powder XRD	Instrument: Rigaku MiniFlex 300/600 Cu-Kα radiation (λ = 1.5406 Å \| scan rate: 0.5°/min \| step size: 0.02°(2θ), 2θ range: 10–80° \| optics: Monochromator
Instrument for BET Surface Area Analysis	Anton Paar QuantaChrome NOVA
Adsorption Gas for BET Surface Area Analysis	N₂, Bath temperature: 77.3 K
Instrument for Particle Size Distribution (Laser Diffraction)	Beckman Coulter LS 13 320
Medium/Fluid for Particle Size Distribution	18 Megaohm DI-Water
Particle Size at D10	9.03 µm (measured with laser diffraction method)
Particle Size at D25	15.69 µm (measured with laser diffraction method)
Particle Size at D50	25.15 µm (measured with laser diffraction method)
Particle Size at D75	35.14 µm (measured with laser diffraction method)
Particle Size at D90	45 µm (measured with laser diffraction method)