Phosphorus Pentoxide Desiccant Grade
High-purity phosphorus pentoxide in granular form, optimized for use as a desiccant in laboratory and industrial drying applications. It avidly absorbs moisture from solvents and gases, forming phosphoric acid traps. Classified under HTS 2809.10.00.00 as the pure diphosphorus pentaoxide compound per Chapter 28 definitions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for polyphosphoric acids with chain length >1
Longer phosphate chains are polyphosphoric acids under 2811.19, differing from simple P2O5.
If activated or impregnated on inert carriers for retail desiccant packs
Prepared desiccants as mixtures fall under activated products of heading 3802.
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Import Tips & Compliance
• Use DOT-approved containers for corrosive properties; declare as Class 8 hazardous material on commercial invoice
• Provide assay reports showing >98% P2O5 to distinguish from polyphosphoric acids in the same heading
• Avoid misdeclaration as fertilizer precursor, which could trigger agricultural inspections
Related Products under HTS 2809.10.00.00
Anhydrous Phosphorus Pentoxide Flake Form
Flake-form diphosphorus pentaoxide designed for easier handling in automated chemical processing lines. Primarily employed in the synthesis of phosphoric acid anhydrides and as a catalyst support. Classified as diphosphorus pentaoxide under HTS 2809.10.00.00, meeting Chapter 28 purity standards.
Diphosphorus Pentaoxide Anhydride P2O5
Diphosphorus pentaoxide (P2O5), also known as phosphorus pentoxide, is a white, deliquescent powder used primarily as a dehydrating and drying agent in chemical synthesis. It reacts with water to form phosphoric acid, making it essential for producing high-purity phosphates and in organic reactions requiring anhydrous conditions. This chemically defined inorganic compound is specifically classified under HTS 2809.10.00.00 as diphosphorus pentaoxide.
P2O5 Phosphorus Pentoxide Technical Grade
Technical grade diphosphorus pentaoxide, a powdery white solid used in large-scale production of phosphate esters and flame retardants. Its strong dehydrating power makes it indispensable in manufacturing detergents and water treatment chemicals. Falls squarely under HTS 2809.10.00.00 for pure diphosphorus pentaoxide.