Analysis
HTS 2831.90.00 covers dithionites and sulfoxylates: other under heading 2831 (dithionites and sulfoxylates).
Rates on the nearby lines range from duty-free to 5.5%. The costliest confusion would be with 2831.10.10 (sodium formaldehyde sulfoxylate) at duty-free, a difference of 5.5 points on the customs value.
The general duty rate is 5.5% of the customs value, which is among the highest the rates in chapter 28 (95th percentile of 274 lines with an ad valorem rate). On a shipment valued at $10,000 that is $550 in duty before any Chapter 99 additions or preference claims.
Goods that qualify under GSP, the Australia FTA, the Bahrain FTA, the Chile FTA, the Colombia TPA, and 12 others can enter duty-free instead of paying 5.5%. It is also eligible under GSP, the developing-country programme, which Congress has to renew; check whether GSP is in force on the entry date.
The column 2 rate, for countries without normal trade relations, is 35%, 6.4 times the general rate.
The other lines in the same group are 2831.10.10 (sodium formaldehyde sulfoxylate, duty-free) and 2831.10.50 (of sodium: other, 5.5%).
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 2831.10.10 | Sodium formaldehyde sulfoxylate | Free |
| 2831.10.50 | Of sodium: other | 5.5% |