Ruthenium

CAS 7440-18-8RuMetal & Ceramic Science

Ruthenium (CAS 7440-18-8, Ru, MW 101.07) is a rare, hard, silvery-white transition metal known for its excellent corrosion resistance and catalytic properties. It exhibits high melting and boiling points. As a high-purity powder, Ruthenium is primarily employed in specialized applications within materials science, including the development of alloys and advanced catalytic systems, where its unique chemical inertness and reactivity are highly valued.

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Ruthenium (Ru) — chemical element, CAS 7440-18-8; Materials Science, fine chemical supplied by Tech Serve Solutions

Materials ScienceMetal and Ceramic ScienceMetalsRuthenium

01 /Applications

Catalysis

Ruthenium is a key component in various catalytic processes, particularly in organic synthesis and industrial chemical production, due to its ability to facilitate specific chemical reactions.

Alloy Development

Its inclusion in alloys significantly enhances properties such as hardness and corrosion resistance, making them suitable for demanding environments in aerospace and electronics.

Materials Science Research

Ruthenium powder serves as a fundamental material for researchers exploring novel metallic compounds, coatings, and advanced functional materials.

Specialty Applications

Used in specific electronic components and as a high-temperature material owing to its robust thermal and chemical stability.

02 /Properties

Molecular weight	101.07
Empirical formula	Ru
Assay	99.9% trace metals basis
Form	powder
Boiling point	3900 °C(lit.)
Density	12.45 g/cm3(lit.)
Particle size	−100 mesh
Melting point	2310 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Danger

Hazard statements

H228Flammable solid

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking

Protective equipment	Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)	UN 3089 4.1 / PGII
Water hazard class (WGK, DE)	nwg
Hazard codes (EU)	F
Risk statements (R)	11
Safety statements (S)	16-22-24/25

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

7440-18-8

MDL number

MFCD00011207

PubChem substance

24852587

05 /Additional specifications

Resistivity	7.1 μΩ-cm, 0°C

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Ruthenium used for?

Ruthenium (CAS 7440-18-8) is used in catalysis, alloy development, materials science research, and specialty electronic components due to its corrosion resistance and unique chemical properties.

What are the CAS number and formula for Ruthenium?

The CAS number for Ruthenium is 7440-18-8, and its chemical formula is Ru.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Ruthenium powder with an assay of 99.9% trace metals basis. We do not represent this product as USP, BP, or EP grade.

How should Ruthenium powder be handled?

Ruthenium powder is flammable (H228) and requires careful handling. Use appropriate personal protective equipment, including eyeshields and a particle respirator (N100 US/P3 EN143), along with gloves. Store away from ignition sources (P210).