Strontium sulfate
Strontium sulfate (CAS: 7759-02-6), with the linear formula SrSO₄ and a molecular weight of 183.68 g/mol, is an inorganic salt typically supplied as a white powder. It is sparingly soluble in aqueous acids and insoluble in ethanol. Strontium sulfate is a key component in pyrotechnics, acting as a colourant to produce red flames. It also finds application in the production of other strontium compounds and in certain materials science contexts.
- IUPAC
- Celestite
Pyrotechnics
Strontium sulfate is a primary ingredient used in pyrotechnic compositions to impart a vibrant red colour to fireworks and flares. Its inclusion is crucial for achieving the desired visual effects in celebratory displays.
Chemical Synthesis
This compound serves as a precursor in the synthesis of other strontium-based chemicals and materials. Its controlled reactivity allows for its use in various inorganic synthesis pathways.
Materials Science
Strontium sulfate is explored for its properties in materials science, potentially contributing to the development of novel composites or functional materials requiring specific optical or structural characteristics.
| Molecular weight | 183.68 |
|---|---|
| Linear formula | SrSO4 |
| Assay | 99% |
| Form | powder |
| Density | 3.96 g/mL at 25 °C(lit.) |
| Solubility | aqueous acid: slightly soluble(lit.)ethanol: insoluble(lit.) |
| Melting point | 1606 °C(lit.) |
| 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 Strontium sulfate used for?
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Strontium sulfate is primarily used in pyrotechnics to produce red flames, and as a precursor in chemical synthesis for other strontium compounds. It also has applications in materials science.
What is the CAS number and formula for Strontium sulfate?
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The CAS number for Strontium sulfate is 7759-02-6, and its linear formula is SrSO₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Strontium sulfate with a purity of 99%. This product is not classified as USP, BP, or EP grade.
How should Strontium sulfate be handled safely?
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Handle Strontium sulfate with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK Germany 3.
Is Strontium sulfate a controlled substance?
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The provided data does not indicate that Strontium sulfate is a controlled substance.
How is Strontium sulfate packed and shipped?
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Strontium sulfate is available as a powder and is carefully packed and exported by Tech Serve Solutions to meet global shipping standards.
How can I request a sample or quote for Strontium sulfate?
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To request a sample or a quote for Strontium sulfate, please contact our sales team through the website or by phone.
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