Disodium sulphate
Sulphates; alums; peroxosulphates (persulphates). > Sodium sulphates: > Disodium sulphate > Disodium sulphate
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2833.11
99.9% Pure Anhydrous Disodium Sulfate
Ultra-high purity (99.9%) anhydrous disodium sulfate for specialty glass and electronic applications requiring minimal impurities. This chemically defined compound with low chloride and heavy metals content is classified under tariff item 2833.11.00.
2833.11.00ACS Grade Anhydrous Sodium Sulfate
ACS reagent grade anhydrous sodium sulfate (Na2SO4) for precise laboratory syntheses and extractions. This chemically defined inorganic compound meets the purity standards of the American Chemical Society. It is classified under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Anhydrous Sodium Sulfate
Pure disodium sulfate (Na2SO4) in anhydrous form, a chemically defined inorganic salt used in industrial processes. It is classified under this tariff item as disodium sulfate, which includes all forms of this compound.
2833.11.00Anhydrous Sodium Sulfate ACS Reagent
ACS reagent grade anhydrous sodium sulfate for quantitative analysis and organic synthesis drying. This pure anhydrous form under tariff item 2833.11.00 ensures accurate gravimetric standards with trace metal specifications.
2833.11.00Anhydrous Sodium Sulfate for Detergent Filler
Anhydrous disodium sulfate serving as an economical filler and bulk agent in powdered laundry detergents. This pure, water-free inorganic sulfate compound helps achieve desired powder density and falls under tariff item 2833.11.00.
2833.11.00Anhydrous Sodium Sulfate for Paper Manufacturing
Anhydrous Na2SO4 used in the kraft process for pulp digestion and as a cooking liquor component in paper production. This anhydrous inorganic sulfate is essential for cellulose fiber separation and falls under tariff item 2833.11.00.
2833.11.00Anhydrous 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 tariff item 2833.11.00 as anhydrous sodium sulfate.
2833.11.00Battery Grade Sodium Sulfate
Ultra-pure sodium sulfate (Na2SO4) for sodium-ion battery electrolyte precursors. This chemically defined inorganic compound is not doped for electronics use, so it remains in Chapter 28. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Cellulose Isolation Chemical Anhydrous Na2SO4
Anhydrous sodium sulfate for viscose rayon production, precipitating cellulose xanthate in spinning bath. Classified under tariff item 2833.11.00 as pure anhydrous sulfate critical for fiber regeneration.
2833.11.00Cosmetic Grade Sodium Sulfate
Fine powder sodium sulfate (Na2SO4) meeting CTFA standards for use in bath salts and scrubs as a thickener. This chemically defined inorganic compound is not put up for retail sale as a cosmetic, so it remains in Chapter 28. It is classified under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Dye Paste Viscosity Modifier Na2SO4
Anhydrous sodium sulfate powder adjusting rheology in reactive dye pastes for cotton printing. Under tariff item 2833.11.00 as anhydrous inorganic salt, it controls paste spread and fixation.
2833.11.00Food Processing Sodium Sulfate
FCC-grade disodium sulfate for use in meat curing brines and starch processing. This chemically defined inorganic compound is not a food preparation of Chapter 21. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Glass Batch Salt Cake Additive
Granular salt cake, a technical grade of disodium sulfate, is incorporated into glass batch compositions as a fining agent and viscosity modifier. It falls under this tariff item as it is the commercial form of disodium sulfate known as salt cake.
2833.11.00Glass Fining Agent Anhydrous Sodium Sulfate
Special anhydrous Na2SO4 formulated as fining agent to promote gas bubble release during glass melting for defect-free sheets. Under tariff item 2833.11.00 for anhydrous disodium sulfate used in float glass production.
2833.11.00Glass Manufacturing Sodium Sulfate
Calcined synthetic Na2SO4 flux for flat glass production, reducing melting point. It is classified under this tariff item as disodium sulfate, a chemically defined compound.
2833.11.00Glass Manufacturing Sodium Sulfate Frits
Fritted disodium sulfate for high-temperature flux in flat glass production. This chemically defined inorganic compound is not glass powder of heading 32.07, as it is not vitrified. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Industrial 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 tariff item 2833.11.00 for its anhydrous form and chemical definition as disodium sulfate.
2833.11.00Industrial Salt Cake for Glass Manufacturing
Coarse-grained salt cake used primarily as a flux in flat glass production to lower the melting temperature of silica. It is a technical grade of disodium sulfate, classified under this tariff item as salt cake.
2833.11.00Kraft Pulp Cooking Liquor Chemical
Anhydrous sodium sulfate makeup chemical for white liquor in kraft pulping process, maintaining sulfur balance. Classified under tariff item 2833.11.00 as anhydrous disodium sulfate for pulp mills.
2833.11.00Kraft Pulping Grade Salt Cake
Technical sodium sulfate (salt cake) used in sulfate pulp mills to regenerate cooking liquor during kraft paper production. It is classified under this tariff item as the standard 'salt cake' specification for this essential pulping chemical.
2833.11.00Laboratory Grade Anhydrous Sodium Sulfate
ACS reagent grade anhydrous Na2SO4 used for drying organic solvents in chemical laboratories by absorbing residual water. Falls under tariff item 2833.11.00 as chemically defined anhydrous disodium sulfate.
2833.11.00Laboratory Reagent Sodium Sulfate
ACS-grade disodium sulfate for analytical chemistry and water testing labs. It is a pure compound classified under this tariff item as disodium sulfate.
2833.11.00Lab Reagent Sodium Sulfate Decahydrate
High-purity sodium sulfate decahydrate (Na2SO4·10H2O) crystals for analytical chemistry labs, used in precipitation and drying procedures. This chemically defined inorganic compound is the hydrated form of disodium sulfate. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Microelectronics Sodium Sulfate
Ultra-high purity sodium sulfate (Na2SO4) for wafer cleaning solutions in semiconductor fabs. This chemically defined inorganic compound is not doped for electronics use, so it remains in Chapter 28. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Paper Pulping Sodium Sulfate
Recovered synthetic Na2SO4 from kraft process makeup, pure disodium sulfate. It is classified under this tariff item as disodium sulfate, a chemically defined compound.
2833.11.00Pharmaceutical Grade Glauber Salt
Hydrated disodium sulfate decahydrate (Na2SO4·10H2O), known as Glauber's salt, in pharmaceutical purity for use as a laxative or in compounding. This chemically defined inorganic compound is not put up in measured doses, so it remains in Chapter 28. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Pharmaceutical Grade Sodium Sulfate
USP-grade disodium sulfate anhydrous for use in laxative formulations and IV solutions. It is strictly chemically defined and classified under this tariff item as disodium sulfate.
2833.11.00Pharmaceutical Intermediate Salt Cake
Technical grade salt cake serving as a salting-out agent in protein precipitation for biotech pharmaceutical production. It is classified under this tariff item as salt cake, not the purer grades used directly in formulations.
2833.11.00Pharma 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 tariff item 2833.11.00 as pure anhydrous sulfate meeting pharmacopeial standards.
2833.11.00Powder Laundry Detergent Filler Sodium Sulfate
Fine particle anhydrous disodium sulfate (Na2SO4 anhydrous) as free-flow agent and filler in phosphate-free detergents. Under tariff item 2833.11.00 for bulk anhydrous chemical with density 2.66 g/cm³ ideal for powder formulations.
2833.11.00Salt Cake By-Product from HCl Production
Crystalline salt cake generated as waste from the Mannheim process for hydrochloric acid manufacture from sodium chloride. It is specifically provided for under this tariff item as 'salt cake', distinguishing it from purified forms.
2833.11.00Salt Cake (Sodium Sulfate Anhydrous)
Salt cake is the commercial name for disodium sulfate (Na2SO4) in its anhydrous form, produced as a by-product in chemical manufacturing processes like hydrochloric acid production. It falls under this tariff item as the commercial form of disodium sulfate.
2833.11.00Sodium Sulfate Decahydrate (Glauber's Salt)
Disodium sulfate decahydrate (Na2SO4·10H2O), known as Glauber's salt, a hydrated form chemically defined under Chapter 28. It falls under this tariff item as a form of disodium sulfate.
2833.11.00Sodium Sulfate for Detergent Production
Granular disodium sulfate used as a bulking agent in powdered laundry detergents. This chemically defined inorganic compound is not a soap preparation of Chapter 34. It falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Tablet Diluent Anhydrous Sodium Sulfate
Pharmaceutical grade anhydrous Na2SO4 as tablet diluent providing compressibility and disintegration control. Under tariff item 2833.11.00 for anhydrous disodium sulfate excipient, USP/NF compliant for direct compression.
2833.11.00Technical Grade Anhydrous Sodium Sulfate 99%
Technical grade anhydrous disodium sulfate (99% purity), used as a filler in textile printing pastes and dyes. It provides viscosity control and cost reduction in industrial applications. This chemically defined inorganic compound falls under tariff item 2833.11.00 as disodium sulphate.
2833.11.00Technical Grade Salt Cake for Detergent Production
Salt cake serving as filler and processing aid in powdered laundry detergent formulations, providing bulk and flow properties. It is classified under this tariff item as the designated subheading for this commercial form of disodium sulfate.
2833.11.00Technical Grade Sodium Sulfate
High-purity synthetic disodium sulfate for industrial detergents and paper pulping. It is classified under this tariff item as disodium sulfate, a chemically defined compound.
2833.11.00Textile Dyeing Salt Cake
Coarse salt cake used as mordant and leveling agent in reactive dyeing of cotton and cellulosic fibers. It is provided for under this tariff item as the designated subheading for commercial salt cake.
2833.11.00Textile Dyeing Sodium Sulfate
Fine crystalline disodium sulfate (Na2SO4) used as a levelling agent in reactive dye baths for cotton fabrics. This chemically defined inorganic compound falls under tariff item 2833.11.00 as a sodium sulphate.