Anhydrous Sodium Fluoride
Anhydrous sodium fluoride is a dry, pure form of NaF employed in metallurgical fluxes and aluminum smelting processes. It qualifies for HTS 2826.19.20.00 as an other fluoride of sodium, adhering to Chapter 28 note on chemically defined inorganic compounds. Excludes hydrated forms if separately specified.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fluoride of ammonium
Ammonium fluorides are distinctly classified under 2826.19.40 per subheading structure.
If used as refractory cement additive
Incorporated into refractory materials shifts to Chapter 38 for prepared binders.
If vanadate or molybdate complex
Complex metal salts with fluorine may fall under other Chapter 28 headings like 2833.
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Import Tips & Compliance
• Ensure anhydrous status via testing to avoid reclassification as hydrates potentially under other subheadings
• Obtain prior notice via FDA if for food-grade use
• Watch for REACH-like compliance if from EU sources
Related Products under HTS 2826.19.20.00
Sodium Fluoride Powder
Sodium fluoride (NaF) is a white crystalline powder used primarily as a fluoridating agent in water treatment and toothpaste formulations. It falls under HTS 2826.19.20.00 as a chemically defined fluoride of sodium, distinct from complex fluorine salts. This inorganic compound is essential for dental health applications and industrial processes.
Sodium Fluoride Crystals
High-purity sodium fluoride crystals are utilized in the production of specialty glasses and enamels for their fluxing properties. Classified under HTS 2826.19.20.00 as a simple fluoride of sodium, per Chapter 28 definitions excluding organo-inorganic compounds. These are anhydrous, chemically defined inorganic salts.
Sodium Fluoride for Water Fluoridation
Granular sodium fluoride specifically graded for public water supply fluoridation to prevent tooth decay. Falls under HTS 2826.19.20.00 as a fluoride of sodium, meeting chemical purity standards in Chapter 28 notes. Supplied in bulk for municipal treatment systems.
Technical Grade Sodium Fluoride
Technical grade sodium fluoride (95%+ purity) for industrial applications like insecticide manufacturing and wood preservation. Classified in HTS 2826.19.20.00 as other fluorides of sodium, per definitions excluding organo-compounds. Typically packaged in 50kg bags.
Sodium Fluoride Lab Reagent
ACS-grade sodium fluoride for analytical chemistry labs, used in fluoride ion selective electrode calibration. HTS 2826.19.20.00 applies as a chemically defined sodium fluoride, not a mixture per Chapter 28. Comes in small bottles for research.
Sodium Bifluoride
Sodium bifluoride (NaHF2), also known as sodium acid fluoride, used in cleaning agents and etching solutions. Though a complex salt, it is statistically reported under HTS 2826.19.20.00 for sodium fluorides in US HTS. Meets Chapter 28 criteria for fluorine salts.