Sodium tungstate dihydrate
Sodium tungstate dihydrate (CAS: 10213-10-2), with the formula Na2WO4 · 2H2O and a molecular weight of 329.85 g/mol, is a white crystalline solid. This inorganic salt serves as a crucial reagent in various chemical synthesis processes and is widely employed as a catalyst in industrial and laboratory applications. Its properties make it a fundamental component in research and development across multiple scientific disciplines.
- IUPAC
- Tungstic acid sodium salt dihydrate
Catalysis
Sodium tungstate dihydrate acts as an effective catalyst in various oxidation reactions. It is particularly useful in phase-transfer catalysis and in the synthesis of epoxides and other organic intermediates.
Chemical Synthesis
As a source of tungstate ions, it is employed in the synthesis of other tungsten-containing compounds and materials. It can also be used as a reagent in analytical chemistry for the detection of certain substances.
Inhibitor
It can be used as an inhibitor for enzymes like alkaline phosphatase and as a biological stain. Its use in biological research aids in understanding enzyme function and pathways.
| Molecular weight | 329.85 |
|---|---|
| Linear formula | Na2WO4 · 2H2O |
| Assay | ≥99% |
| Impurities tested | ≤0.1% free alkali (as NaOH) |
| Melting point | 698 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
| Cation traces | Fe: ≤20 mg/kgMo: ≤100 mg/kg |
| Anion traces | chloride (Cl-): ≤100 mg/kgsulfate (SO42-): ≤200 mg/kg |
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 Sodium tungstate dihydrate used for?
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Sodium tungstate dihydrate is primarily used as a catalyst in chemical synthesis, particularly for oxidation reactions and in phase-transfer catalysis. It also finds applications in analytical chemistry and as an enzyme inhibitor in biological research.
What are the CAS number and chemical formula for Sodium tungstate dihydrate?
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The CAS number for Sodium tungstate dihydrate is 10213-10-2, and its chemical formula is Na2WO4 · 2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium tungstate dihydrate with an assay of ≥99%. This product is typically considered a research or technical grade; TSS does not represent it as USP, BP, or EP grade unless explicitly stated.
What are the primary safety concerns when handling Sodium tungstate dihydrate?
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Sodium tungstate dihydrate is classified with GHS07 symbol and a 'Warning' signal word. It carries the hazard statement H302, indicating it is harmful if swallowed. Appropriate personal protective equipment including a dust mask (N95), eyeshields, and gloves should be used.
How is Sodium tungstate dihydrate packed, shipped, and exported?
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As a specialist global supplier and exporter since 1998, Tech Serve Solutions ensures Sodium tungstate dihydrate is carefully packed and complies with all relevant regulations for safe domestic and international shipment.
How can I request a sample or a quote for Sodium tungstate dihydrate?
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To request a sample or a quote for Sodium tungstate dihydrate, please contact our sales department via the details provided on our website or through your account manager.
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