Chapter 28, Inorganic chemicals / Heading 2831
HTS 2831.10.10.00: Sodium formaldehyde sulfoxylate
Schedule text: Sodium formaldehyde sulfoxylate. Classification: Dithionites and sulfoxylates › Of sodium › Sodium formaldehyde sulfoxylate
General rate of duty
Free
Column 1, USITC schedule
From China, all in
37.5%
Priced live by the Gateway engine
Section 301 China
25%
List 3
Forced labor 301
12.5%
9903.05.31
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: Free 2831.10.10.00 | 0% | $0.00 |
Section 301 China (List 3) | 25% | $2,500.00 |
Section 301 forced labor 9903.05.31 | 12.5% | $1,250.00 |
Effective duty rate | 37.5% | $3,750.00 |
Stack priced from China on a $10,000 customs value, ocean entry. Other origins carry different programs; the calculator prices any of them.
Questions about this example
- What is HTS code 2831.10.10.00?
- HTS 2831.10.10.00 covers sodium formaldehyde sulfoxylate; the schedule's own line text is "Sodium formaldehyde sulfoxylate". Its full classification path in the Harmonized Tariff Schedule of the United States is: Dithionites and sulfoxylates › Of sodium › Sodium formaldehyde sulfoxylate. It sits in chapter 28 (Inorganic chemicals) under heading 2831.
- What is the general duty rate for HTS 2831.10.10.00?
- The Column 1 general rate of duty is Free. That is the most-favored-nation rate before any Section 301, Section 232, Section 338, Section 201 or antidumping and countervailing action, and before CBP's Merchandise Processing and Harbor Maintenance fees.
- What is the tariff on HTS 2831.10.10.00 from China?
- Priced on $10,000 of goods, the effective duty from China is 37.5%: 0% general rate + 25% Section 301 + 12.5% forced labor. Section 301 applies (List 3). The Section 301 forced-labor duty applies.
- Which lines are related to HTS 2831.10.10.00?
- Neighbouring statistical lines under the same 8-digit heading are listed on this page. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.