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Sodium bifluoride is the inorganic compound with the formula NaHF₂. It is a salt of sodium cation (Na⁺) and bifluoride anion (HF₂⁻). It is a white, water-soluble solid that decomposes upon heating . Sodium bifluoride is non-flammable, hygroscopic, and has a pungent smell. Sodium bifluoride has a number of applications in industry.
A method for preparing sodium difluorophosphate
This invention discloses a method for preparing sodium difluorophosphate, comprising the following steps: reacting phosphorus pentachloride, phosphorus pentoxide, and sodium hydrogen fluoride as raw materials in an organic solvent; after the reaction, purging with inert gas, filtering, concentrating and crystallizing, washing, and drying to obtain sodium difluorophosphate. This method features low raw material cost, simple process, rapid reaction, few by-products, no water introduction, high product purity, and is environmentally friendly.
Owner:DO FLUORIDE CHEM CO LTD