Highpurity Sodium Tungstate Boosts Scientific Research Accuracy

2026-09-26 00:00:00

This blog analyzes high-purity sodium tungstate (Na₂WO₄·2H₂O) from a data-driven perspective, covering its key properties, quality metrics such as 99.999% purity, application domains in chemical reagents and analytical chemistry, safety data, and supplier evaluation methodology to ensure research accuracy and reproducibility.

In scientific research, the quality of experimental data directly determines the reliability of conclusions. Reagent purity, especially in precision research fields, represents one of the critical factors affecting experimental result deviations. This analysis examines high-purity sodium tungstate (Na₂WO₄·2H₂O) from a data-driven perspective, exploring its properties, applications, and selection methodology to ensure research data accuracy and reproducibility.

1. Fundamental Data and Key Properties

Sodium tungstate dihydrate, an important tungsten compound, presents these fundamental identifiers:

Chemical Formula: Na₂WO₄·2H₂O
CAS Number: 10213-10-2
MDL Number: MFCD00149190
EC Number: 236-743-4

These identifiers function as primary keys in chemical databases, enabling accurate reference tracking. The compound typically appears as white crystalline powder with high water solubility, a characteristic that facilitates its use in aqueous reaction systems.

2. Quality Metrics of High-Purity Sodium Tungstate

For precision research applications, 99.999% purity represents the gold standard, minimizing impurity interference. Key quality indicators include:

Purity Assurance

At 99.999% purity, statistical analysis shows fewer than one impurity molecule per 100,000 molecules, significantly improving signal-to-noise ratios in experimental data. This purity level reduces variance in experimental error, enhancing result stability.

Precision Molecular Weight

The exact molecular weight (329.86 g/mol) enables accurate stoichiometric calculations, preventing measurement-induced experimental bias. Data quality control protocols can leverage this precision for consistent reagent dosing.

Thermal Stability

With a melting point of 698°C, the compound maintains structural integrity under high-temperature experimental conditions, a critical factor for thermal process applications.

3. Application Domains and Performance Analysis

Chemical Reagents

As a catalytic agent, high-purity sodium tungstate accelerates specific reactions while minimizing side reactions. Performance metrics including reaction rates, yields, and selectivity can be quantitatively analyzed through reaction kinetic studies.

Analytical Chemistry

In gravimetric analysis, the compound forms precise precipitates with metal ions. Regression modeling of precipitation conditions (pH, temperature, concentration) enables accurate metal content determination.

Catalytic Systems

Cluster analysis of catalytic performance data reveals optimal applications in petrochemical processes, where tungsten-based catalysts demonstrate enhanced selectivity and operational longevity.

Advanced Materials

Comparative studies of flame-retardant materials show tungsten-based formulations achieve superior safety profiles with reduced toxicity and smoke emission compared to traditional halogenated compounds.

4. Safety Data Analysis

Risk assessment matrices indicate moderate hazards (H302: harmful if swallowed) requiring standard laboratory precautions:

Personal protective equipment (gloves, eye protection)
Post-handling hygiene protocols
Proper waste disposal procedures

Historical incident data analysis informs safety training priorities and emergency response planning.

5. Supplier Evaluation Methodology

A weighted scoring model assesses vendors across critical dimensions:

Purity Verification: Comparative analysis of certificate of analysis (CoA) data
Packaging Integrity: Stability studies across container types
Technical Documentation: Completeness of material safety data

6. Technical Specifications

Representative product characteristics from quality manufacturers include:

Appearance: White crystalline powder
Assay Method: Gravimetric analysis (99.0-101.0%)
Linear Formula: Na₂WO₄·2H₂O

7. Structural Identification Codes

Standardized identifiers facilitate database integration:

PubChem CID: 26052
SMILES: [Na+].[Na+].[O-][W]([O-])(=O)=O.O.O
InChI Key: WPZFLQRLSGVIAA-UHFFFAOYSA-N

8. Research Optimization

Advanced data integration platforms combining reagent specifications with experimental outcomes can predict performance impacts and optimize research protocols. Machine learning applications may further enhance reagent selection and experimental design processes.

Natriumtungstaat Reinheid van het reagens Analytische chemie