Anhydrous
Sulfates; alums; peroxosulfates (persulfates): > Sodium sulfates: > Disodium sulfate: > Other > Anhydrous
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2833.11.50.10
Anhydrous Sodium Sulfate USP Grade
Pure anhydrous disodium sulfate (Na2SO4) meeting United States Pharmacopeia standards, used as an excipient in pharmaceutical formulations for tablets and capsules. It falls under HTS 2833.11.5010 as anhydrous sodium sulfate, a chemically defined inorganic salt without water of crystallization. This grade ensures high purity for medical applications.
Industrial Anhydrous Sodium Sulfate 99.5% Purity
High-purity anhydrous Na2SO4 used in glass manufacturing as a fining agent to remove bubbles and improve clarity. Classified under HTS 2833.11.5010 for its anhydrous form and chemical definition as disodium sulfate. Essential for producing flat glass and containers.
Anhydrous Sodium Sulfate for Detergent Filler
Anhydrous disodium sulfate serving as an economical filler and bulk agent in powdered laundry detergents. HTS 2833.11.5010 applies to this pure, water-free inorganic sulfate compound. Helps achieve desired powder density and flow properties.
Laboratory Grade Anhydrous Sodium Sulfate
ACS reagent grade anhydrous Na2SO4 used for drying organic solvents in chemical laboratories by absorbing residual water. Falls under HTS 2833.11.5010 as chemically defined anhydrous disodium sulfate. High purity ensures no contamination in analytical procedures.
Technical Grade Anhydrous Sodium Sulfate 99%
Technical grade anhydrous disodium sulfate (99% purity) used as a filler in textile printing pastes and dyes. Classified in HTS 2833.11.5010 for anhydrous form, providing viscosity control and cost reduction. Common in pigment printing processes.
Anhydrous Sodium Sulfate for Paper Manufacturing
Anhydrous Na2SO4 used in the kraft process for pulp digestion and as a cooking liquor component in paper production. HTS 2833.11.5010 covers this anhydrous inorganic sulfate essential for cellulose fiber separation. Recycled from rayon production waste.
Pharma Excipient Anhydrous Sodium Sulfate NF
National Formulary (NF) grade anhydrous disodium sulfate used as diluent in solid oral dosage forms and controlled-release matrices. Under HTS 2833.11.5010 as pure anhydrous sulfate meeting pharmacopeial standards. Non-hygroscopic properties ideal for tableting.
Glass Fining Agent Anhydrous Sodium Sulfate
Special anhydrous Na2SO4 formulated as fining agent to promote gas bubble release during glass melting for defect-free sheets. HTS 2833.11.5010 for anhydrous disodium sulfate used in float glass production. Improves optical quality.
Anhydrous Sodium Sulfate ACS Reagent
American Chemical Society (ACS) reagent anhydrous Na2SO4 for quantitative analysis and organic synthesis drying. Pure anhydrous form under HTS 2833.11.5010 ensures accurate gravimetric standards. Trace metal specifications critical.
Powder Laundry Detergent Filler Sodium Sulfate
Fine particle anhydrous disodium sulfate (Na2SO4 anhydrous) as free-flow agent and filler in phosphate-free detergents. HTS 2833.11.5010 for bulk anhydrous chemical. Density 2.66 g/cm³ ideal for powder formulations.
Cellulose Isolation Chemical Anhydrous Na2SO4
Anhydrous sodium sulfate for viscose rayon production, precipitating cellulose xanthate in spinning bath. Classified HTS 2833.11.5010 as pure anhydrous sulfate critical for fiber regeneration. Recovered and purified for reuse.
Tablet Diluent Anhydrous Sodium Sulfate
Pharmaceutical grade anhydrous Na2SO4 as tablet diluent providing compressibility and disintegration control. HTS 2833.11.5010 for anhydrous disodium sulfate excipient. USP/NF compliant for direct compression.
Dye Paste Viscosity Modifier Na2SO4
Anhydrous sodium sulfate powder adjusting rheology in reactive dye pastes for cotton printing. Under HTS 2833.11.5010 as anhydrous inorganic salt. Controls paste spread and fixation.
99.9% Pure Anhydrous Disodium Sulfate
Ultra-high purity (99.9%) anhydrous Na2SO4 for specialty glass and electronic applications requiring minimal impurities. HTS 2833.11.5010 anhydrous form with spectroscopic grade specs. Low chloride and heavy metals.
Kraft Pulp Cooking Liquor Chemical
Anhydrous sodium sulfate makeup chemical for white liquor in kraft pulping process, maintaining sulfur balance. Classified HTS 2833.11.5010 anhydrous disodium sulfate for pulp mills. Recycles through recovery boiler.