Anhydrous Dipotassium Carbonate 99% Purity
High-purity anhydrous dipotassium carbonate at 99% K2CO3 content, used in pharmaceutical intermediates and specialty chemicals. Classified under HTS 2836.40.10.00 as a specific potassium carbonate compound meeting Chapter 28 definitions for inorganic bases. Supplied in sealed drums to prevent absorption of atmospheric moisture.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other metal carbonates
Only potassium carbonates specified in 2836.40; other inorganic base carbonates go to 2836.29.
If solidified with urea as hydrogen peroxide stabilizer
Chapter note 2(e) places urea-solidified hydrogen peroxide in 2847, altering classification.
If processed into artificial graphite
Artificial graphite from carbonates falls under 3801 per chapter exclusions.
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Import Tips & Compliance
• Obtain Certificate of Analysis (CoA) proving 99% purity to distinguish from lower-grade carbonates
• Label as 'chemically defined' per subheading note; ensure no organic stabilizers which could shift to 2831
• Comply with TSCA registration for chemical imports; declare exact CAS number 584-08-7
Related Products under HTS 2836.40.10.00
Dipotassium Carbonate Powder (Technical Grade)
Dipotassium carbonate (K2CO3), also known as potash carbonate, is a white, hygroscopic powder used primarily in industrial applications such as glass manufacturing and soap production. It falls under HTS 2836.40.10.00 as a chemically defined inorganic salt of potassium carbonate in pure form. This technical grade product is supplied in bulk for chemical processing.
Dipotassium Carbonate Calcined Soda Ash
Calcined dipotassium carbonate derived from potash, used in textile dyeing and wool processing as an alkaline agent. It is explicitly classified in HTS 2836.40.10.00 as dipotassium carbonate, a peroxocarbonate-excluded inorganic salt. This form is granular for easier handling in industrial baths.
Pharmaceutical Grade Dipotassium Carbonate USP
USP-grade dipotassium carbonate meeting pharmacopeia standards for use in effervescent tablets and pH adjustment in drugs. Falls under HTS 2836.40.10.00 as a pure, chemically defined potassium carbonate per Chapter 28 notes. Packaged in sterile, low-moisture containers.
Dipotassium Carbonate for Glass Flux
Specialty dipotassium carbonate used as a flux in flat glass production to lower melting points. Classified precisely under HTS 2836.40.10.00 as it is a stabilized inorganic carbonate of potassium, excluded from organic mixtures. Supplied in 50kg bags for furnace feeding.
Granular Dipotassium Carbonate 98% Assay
Granular form of dipotassium carbonate with 98% assay, ideal for water softening and chemical synthesis. It matches HTS 2836.40.10.00 as a discrete potassium carbonate compound under subchapter carbonates. Granulation improves flowability for automated dosing.
Dipotassium Carbonate Monohydrate Crystals
Crystalline dipotassium carbonate monohydrate (K2CO3·H2O) used in laboratory reagents and fine chemicals. Still classified under HTS 2836.40.10.00 as the base compound dipotassium carbonate, chemically defined per notes. Crystals dissolve readily for analytical use.