Sodium Hydrosulfide Flake Alternative (Na2S Equiv.) from Japan
Sodium hydrosulfide (NaHS) flakes sometimes traded as sodium sulfide equivalent for mining flotation. Strictly Na2S under HTS 2830.10.00.00 when declared as such. Used interchangeably in some applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Careful chemical analysis needed; NaHS properly 2830.20 but misdeclared as Na2S common
• MSDS must match declared composition exactly
• Customs may require lab verification for borderline sulfide classifications