Reagent Grade Naphthalic Anhydride ACS from China
ACS reagent grade naphthalic anhydride meeting American Chemical Society specifications for laboratory use. HTS 2917.39.0800 applies as pure aromatic polycarboxylic anhydride, even for lab quantities, since Chapter 29 covers all purity levels of chemically defined compounds. Lab packaging does not trigger retail exclusions.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include ACS assay certificate; customs frequently tests reagent chemicals for purity claims
• Declare as 'for laboratory research use only' to avoid end-use restrictions on dye intermediates
• Small package imports (<5kg) still require full chemical import registration via EPA/TSCA