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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China0.4%+35.0%35.4%
🇲🇽Mexico0.4%+10.0%10.4%
🇨🇦Canada0.4%+10.0%10.4%
🇩🇪Germany0.4%+10.0%10.4%
🇯🇵Japan0.4%+10.0%10.4%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3822Lower: 10% vs 35.4%

If diagnostic reagent preparation

Laboratory reagents for diagnostic analysis may classify under specific diagnostic heading.

2840Lower: 13.7% vs 35.4%

If borate-sulfate complex

Complex borates or double salts fall under heading 2840.

3006.92.00.00Lower: 10% vs 35.4%

If packaged in pharmaceutical kits

Articles for retail therapeutic use shift to Chapter 30.

Not sure which classification is right?

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Import Tips & Compliance

Include lot analysis for heavy metals and trace impurities; label clearly as 'for laboratory use only'; verify DOT shipping for non-hazardous chemical

Related Products 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.

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.