Tin(II) oxide
Tin(II) oxide (SnO), CAS 21651-19-4, has a molecular weight of 134.71 g/mol. This inorganic compound is a key component in various chemical processes. It is primarily utilised as a catalyst, a precursor in materials science, and in general chemical synthesis. Its properties make it valuable in research and industrial applications requiring tin-based compounds.

Catalysis
Tin(II) oxide serves as a catalyst or co-catalyst in specific organic transformations and industrial processes, facilitating chemical reactions.
Chemical Synthesis
It acts as a precursor or reagent in the synthesis of other tin-containing compounds and complex inorganic materials.
Materials Science
Utilised in the development and study of novel materials, including ceramics and metal-organic frameworks, leveraging its unique chemical properties.
Inorganic Chemistry
An important compound for fundamental research in inorganic chemistry, particularly in studies involving tin oxides and their redox behaviour.
| Molecular weight | 134.71 |
|---|---|
| Linear formula | SnO |
| Assay | ≥95% |
| Impurities tested | ≤5% SnO2 |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Tin(II) oxide primarily used for?
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Tin(II) oxide (SnO) is primarily used in catalysis, chemical synthesis, and materials science, as well as in inorganic chemistry research.
What is the CAS number and formula for Tin(II) oxide?
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The CAS number for Tin(II) oxide is 21651-19-4, and its chemical formula is SnO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tin(II) oxide with an assay of ≥95%, containing ≤5% SnO2. This product is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling precautions for Tin(II) oxide?
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Handling Tin(II) oxide requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter due to potential respiratory and eye irritation hazards. It is classified under WGK Germany 3.
Does Tech Serve Solutions export Tin(II) oxide?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Tin(II) oxide.
How can I request a sample or quote for Tin(II) oxide?
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To request a sample or a quotation for Tin(II) oxide, please contact our sales team through the website or via the provided contact details.
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