Chromium
Chromium (CAS: 7440-47-3, Formula: Cr) is a lustrous, hard, brittle, silvery-white metal. With a molecular weight of 52.00 g/mol, it possesses a high melting point of 1857 °C and boiling point of 2672 °C. Chromium's notable properties include excellent corrosion resistance and high tensile strength, making it a valuable element in various industrial applications, particularly in metallurgy and chemical synthesis.

Alloy Production
Chromium is a key component in the production of stainless steel and other alloys, significantly enhancing their strength, hardness, and resistance to corrosion. Its inclusion is vital for creating durable materials used in construction, automotive, and manufacturing sectors.
Chemical Synthesis
In chemical synthesis, chromium and its compounds serve as catalysts in numerous organic reactions. These catalysts facilitate efficient chemical transformations across various industrial processes, contributing to the development of complex molecules.
Materials Science
Chromium is utilized in materials science for developing advanced materials with specific properties. Its applications range from high-temperature ceramics to specialized coatings that offer superior wear and corrosion resistance.
Surface Treatment
The metal is employed in electroplating processes to provide a hard, bright, and corrosion-resistant finish to other metals. This application is widely used for decorative purposes and to enhance the longevity of manufactured goods.
| Molecular weight | 52.00 |
|---|---|
| Empirical formula | Cr |
| Assay | 99.95% |
| Form | powder |
| Boiling point | 2672 °C(lit.) |
| Density | 7.14 g/mL at 25 °C(lit.) |
| Particle size | 0.7-3.5 mm |
| Melting point | 1857 °C(lit.) |
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | nwg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 12.7 μΩ-cm, 20°C |
|---|
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.
What is Chromium used for?
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Chromium is primarily used in alloy production, notably for stainless steel, due to its corrosion resistance. It also finds applications in chemical synthesis as a catalyst and in materials science for developing advanced materials and coatings.
What is the CAS number and formula for Chromium?
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The CAS number for Chromium is 7440-47-3, and its chemical formula is Cr.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chromium with an assay of 99.95%. This product is typically considered a technical or research grade; TSS does not represent it as USP, BP, or EP grade unless explicitly stated.
How is Chromium safely handled?
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Handling Chromium requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the safety data sheet for comprehensive handling guidelines.
How is Chromium packed and shipped?
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Chromium is packed as a powder with a particle size of 0.7-3.5 mm. It is shipped under UN 3077, Hazard Class 9, Packing Group III regulations, suitable for global export.
How can I request a quote or sample for Chromium?
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To request a quote or a sample of Chromium, please contact our sales team through the website or by phone. Our experts will assist you with your specific requirements.
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