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98%min
W&Q
1. Molecular Formula: BaF2
2. CAS NO.: 7787-32-8
3. Molecular Weight: 175.32
4. Property: It is a white crystalline powder, slightly hygroscopic. Slightly soluble in water, insoluble in ethanol, soluble in hydrochloric acid, nitric acid and ammonium chloride solution. Its density is 4.89g/cm³ and melting point is 1368℃.
5. Sepcification(%):
| Purity | 98min |
| Free Acid(HF) | 0.2max |
| S | 0.01max |
| Pb | 0.01max |
| H2O | 0.15max |
| Hg | 0.001max |
| Cl | 0.05max |
| Si | 0.03max |
| P | 0.01max |

W&Q's Barium fluoride is a highly versatile inorganic compound widely used in industrial and optical applications, easily recognized by its white crystalline powder appearance. Its chemical formula is BaF₂. This stable salt has low solubility in water but is soluble in acids and ammonium chloride solutions, and serves as an important source of fluoride ions in various chemical and metallurgical processes.
1. High Purity and Consistent Performance
With high assay levels ≥98%, W&Q's Barium Fluoride delivers reliable fluoride ion supply and excellent chemical stability, ensuring uniform results in metallurgical fluxing, optical manufacturing, and enamel production processes.
2. Low Impurity and Clean Application
Strict control of impurities and low residue levels minimize contamination risks, reducing defects in final products and maintaining clean processing conditions in high-temperature applications like welding and glass manufacturing.
3. Excellent Thermal and Chemical Stability
The high melting point (1368°C) and cubic crystalline structure provide exceptional resistance to thermal shock and chemical attack, making it ideal for demanding environments such as infrared optics and metallurgical additives without decomposition or performance loss.
3. Easy Handling and Safe Integration
The white powder form is free-flowing and slightly hygroscopic, allowing straightforward dosing and mixing in formulations. Its controlled solubility supports safe and efficient incorporation into existing industrial processes with minimal adjustments.
Optical Materials Industry: In the production of infrared optics and windows, it serves as a key raw material for manufacturing high-transparency lenses, prisms, and components. This provides excellent transmission in the UV to IR spectrum, widely used in thermal imaging, spectroscopy, and laser systems.
Metallurgical Flux Applications: As an effective flux in aluminum metallurgy and welding processes, it lowers melting points, removes oxides, and improves metal flow. This enhances weld quality, reduces defects, and increases efficiency in aluminum refining and steel manufacturing.
Glass and Enamel Manufacturing: Used as an additive in special glass and enamel formulations, it improves opacity, chemical durability, and thermal resistance. This results in higher-quality products for dental ceramics, protective coatings, and high-performance glassware.
Ceramic and Specialty Chemicals: Incorporated in advanced ceramics and phosphor production, it contributes to material stability and fluorescence properties, suitable for electronic components, scintillators, and high-temperature applications.
W&Q chooses the standard white crystalline form because it is the most stable, practical, and widely applicable under typical storage and handling conditions. This form, achieved through W&Q's optimized production processes, offers superior handling characteristics—free-flowing crystals, uniform particle size, low dust, and excellent purity—while remaining highly cost-effective for large-scale industrial and optical applications. Other forms, such as pressed pellets, sintered blanks, or single crystals, require additional processing steps with higher complexity and cost, which is why W&Q focuses on delivering this reliable white crystalline grade to efficiently meet the majority of customer needs.
Yes! Simply provide your logo or label design, and we'll incorporate it into the packaging—helping you maintain brand consistency in your supply chain.
Assay (BaF₂ content): ≥98.0% or higher – guarantees the strong, consistent performance that W&Q is known for in optical and metallurgical applications.
Impurity Limits: Low levels of sulfate, iron, heavy metals, and moisture – these tight controls reflect W&Q's commitment to delivering clean, high-purity products with minimal optical absorption or contamination.
Heavy Metals: Strictly limited levels of Pb, As, Cd, and Hg to align with W&Q's high industrial safety and environmental standards.
Physical Appearance: Uniform white crystalline powder, free-flowing, and non-caking.
Yes – W&Q's industrial and optical-grade Barium Fluoride is specifically optimized and widely trusted for infrared optics, aluminum metallurgy, enamel production, and specialty ceramics. Backed by W&Q's years of expertise in inorganic fluorine chemicals and stable production capacity, it delivers reliable results in demanding environments. The product complies with general international chemical regulations for industrial use. W&Q provides comprehensive safety data sheets (SDS), technical support, and documentation to assist with regional requirements, ensuring our customers can use W&Q products with complete confidence.
W&Q stands out as a leading supplier of Barium Fluoride, backed by our expertise in fine chemicals and customer focus:
• We offer a full product line of cobalt, nickel, copper, fluoride, tungsten, and rare earth compounds—so you can source all your industrial chemicals from a single, reliable supplier.
• Our team includes professional technical personnel who provide tailored support, from helping you optimize optical material formulations and metallurgical fluxes to troubleshooting application issues in infrared optics or welding processes.
• We adhere to the business philosophy of "breaking old rules and embracing innovation," constantly improving our production processes to enhance product quality and reduce costs.
• We provide excellent after-sales service, ensuring you are satisfied with your order—if you have questions or concerns, our team responds promptly.
• With over 40 key products covering industry, optics, metallurgy, ceramics, and specialty materials sectors, we understand the unique needs of optical component manufacturers, metallurgical engineers, and enamel producers, and can adapt to your specific requirements.