ACS Grade Anhydrous Sodium Sulfate from Mexico
American Chemical Society reagent grade anhydrous Na2SO4 for precise laboratory syntheses and extractions. HTS 2833.11.5050 covers this as other disodium sulfate, chemically defined inorganic compound per Chapter 28 Note 1. Excludes fertilizer or crude variants.
Duty Rate — Mexico → United States
10.4%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ACS certification mandatory for duty-free claims; declare <0.01% impurities
• Common issue: rehydration during shipping