Hydrofluoric Acid (CAS 7664-39-3)

Hydrofluoric acid (HF) is a colorless liquid with strong corrosive properties. As a Hydrofluoric acid (HF) supplier from China, we prioritize strict production controls to ensure consistent product quality. Each batch undergoes thorough testing to verify purity, acidity, and stability, meeting the diverse requirements of various industrial applications.​

 

 

Our industrial grade hydrofluoric acid is formulated to meet standard industrial criteria, with controlled levels of impurities such as fluorides and heavy metals. It is produced through efficient manufacturing processes, ensuring reliable chemical composition and reactivity. For applications demanding higher standards, high purity hydrofluoric acid undergoes advanced purification techniques, resulting in extremely low impurity content, making it suitable for scenarios with stringent purity needs. Both grades are packaged in specialized corrosion-resistant containers to prevent leakage and maintain their properties during storage and transportation.​

 

 

Semiconductor grade hydrofluoric acid is designed with ultra-low levels of contaminants, including particulate matter and trace metals, to meet the strict cleanliness requirements of semiconductor manufacturing processes. Additionally, environmentally friendly hydrofluoric acid is produced with a focus on reducing harmful by-products, adhering to strict environmental standards while maintaining product performance. These specialized variants undergo additional testing to ensure they align with the unique demands of their respective application areas.​

 

 

We offer flexible packaging options, including specialized tanks and drums, to accommodate different order sizes. Our efficient supply chain ensures timely delivery, and we provide comprehensive product documentation, such as certificates of analysis and safety data sheets, to support seamless procurement. As a trusted Hydrofluoric acid (HF) supplier from China, we are committed to providing quality products and professional service to customers worldwide.

Hydrofluoric acid, CAS number 7664-39-3, is a colorless and transparent liquid with a strong pungent odor, easily volatile, and miscible with water, ethanol, and other substances. Its uniqueness lies in its ability to react with silica, which makes it an irreplaceable key raw material in multiple industrial fields. At the same time, due to its strong corrosiveness, it needs to be used with extra caution. ​

Hydrofluoric acid is an important etchant and cleaning agent in the semiconductor and electronics industries. In the process of chip manufacturing, it can be used to etch the silicon dioxide layer on the surface of silicon wafers, forming fine circuit patterns. Its high-precision etching ability can meet the requirements of semiconductor device miniaturization. Meanwhile, hydrofluoric acid can be mixed with other chemicals to produce etching solutions of different concentrations, which are used to clean the oxide layer and impurities on the surface of electronic components, ensuring stable performance of electronic components. It is an indispensable key material in the semiconductor industry chain. ​

Hydrofluoric acid is widely used in the field of glass processing because it can dissolve silicon dioxide in glass. In terms of glass etching, hydrofluoric acid can be used to carve various patterns and texts on the surface of glass, which can be used to make glass crafts, scale glass instruments (such as thermometers, measuring cylinders), etc. In glass frosted treatment, hydrofluoric acid can form a uniform frosted effect on the glass surface, increase the transparency and decorative properties of the glass, and is commonly used in the processing of architectural glass and furniture glass. In addition, in optical glass manufacturing, it can be used to remove defects and impurities on the surface of the glass, improving the optical performance of the glass. ​

In the metal processing industry, hydrofluoric acid can be used for surface treatment of metals. For example, in the treatment of aluminum and aluminum alloys, it can remove the oxide film on the metal surface, making the metal surface cleaner, facilitating subsequent painting, electroplating and other processes, and enhancing the adhesion between the coating and the metal. For metals such as stainless steel, hydrofluoric acid can participate in the pickling process to remove surface rust and oxide scale, improve the smoothness and corrosion resistance of the metal, and extend the service life of metal products. ​

Hydrofluoric acid is an important chemical raw material that can be used to synthesize various fluorides. For example, it can react with fluoride to generate sulfur hexafluoride, which is an excellent insulating gas widely used in high-voltage electrical equipment; Fluorinated hydrocarbons can be prepared by reacting with olefins, which have important applications in refrigerants, fire extinguishing agents, and other fields. In addition, hydrofluoric acid can also be used to synthesize fluororesins (such as polytetrafluoroethylene), which have excellent properties such as high temperature resistance and corrosion resistance, and are applied in various fields such as chemical engineering and machinery. ​

In the field of geological exploration, hydrofluoric acid can be used to decompose rock samples, help determine the mineral composition and element content in rocks, and provide data support for geological research. In the petroleum industry, it can be used as an acidifier for acidizing oil and gas wells, dissolving carbonate rocks in the formation, expanding oil and gas channels, and increasing oil and gas production. In the laboratory, hydrofluoric acid is a commonly used chemical reagent for experimental operations such as chemical analysis and material preparation, but it needs to be used in special corrosion-resistant containers. ​