What is the import duty on non-halogenated organophosphorous compounds from China?

On HTS 2931.49.00.80 the effective duty rate is 16.2% (3.7% general rate + 12.5% forced labor). On a $10,000 customs value that is $1,620 in duty before CBP fees.

Which tariff programs apply to HTS 2931.49.00.80 from China?

Section 301 forced labor at 12.5% (9903.05.31).

What does CBP charge on top of the duty?

The Merchandise Processing Fee at 0.3464% of value, $34.64 here, subject to the statutory minimum and maximum. The Harbor Maintenance Fee at 0.125% on ocean entries, $12.50 here. Total government fees on this shipment: $47.14. Collected by U.S. Customs and Border Protection.

Is this the exact amount my customs broker will collect?

It is a planning estimate priced by the Gateway tariff engine on the assumptions shown: HTS 2931.49.00.80, China origin, $10,000 customs value, ocean transport. The entered classification, the appraised value, the entry date and any exclusion or program claim change the result, and antidumping or countervailing rates are exporter-specific. Run your own numbers in the calculator and confirm with a licensed broker.

Chemicals and pharmaceuticals / HTS 2931.49.00.80

Non-halogenated organophosphorous compounds from China: 16.2% import duty

A worked example on a $10,000 commercial shipment of other non-halogenated organophosphorous derivatives. Priced Sep 24, 2026 by the Gateway tariff engine, the same engine behind the calculator, with every active duty program stacked and every carve-out shown.

Effective duty rate

16.2%

All active programs stacked

Duties on $10,000

$1,620

Ad valorem duty amount

CBP fees

$47.14

MPF and HMF, ocean entry

Landed cost

$11,667.14

Goods, duties and fees

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	Heading	Rate	Amount
General rate of duty (Column 1) Official rate: 3.7% 2931.49.00.80	2931.49.00.80	3.7%	$370.00
Section 301 forced labor This HTS appears on the 9903.05.89 exemption list for articles for use in pharmaceutical applications (U.S. note 52(e)). That exemption depends on the END USE of the goods, which cannot be read from an HTS code, so the duty is charged here. If your entry qualifies, claim 9903.05.89 and this 12.5% does not apply — confirm with your customs broker. 9903.05.31	9903.05.31	12.5%	$1,250.00
Effective duty rate		16.2%	$1,620.00

Notes for this line

AD/CVD undetermined — estimate incomplete. Calculated duties are provisional. Check the listed cases and enter the producer/exporter to calculate a deposit where verified supplier rates are available. Unresolved deposits may change the total.
Section 301 forced labor (9903.05.31) adds 12.5% on all products of this origin.
Possible conditional exemption from Section 301 forced labor (not auto-applied): This HTS appears on the 9903.05.89 exemption list for articles for use in pharmaceutical applications (U.S. note 52(e)). That exemption depends on the END USE of the goods, which cannot be read from an HTS code, so the duty is charged here. If your entry qualifies, claim 9903.05.89 and this 12.5% does not apply — confirm with your customs broker.

What changed on this lane

23.7% before the first entry below, 16.2% today.

Feb 20, 2026IEEPA tariffs removed (SCOTUS)-20 pts
Jul 24, 2026Section 301 forced labor: articles the product of China (U.S. note 52) added+12.5 pts

Official classification

2931.49.00.80Other

Other organo-inorganic compounds › Non-halogenated organo-phosphorous derivatives › Other › Other › Other

Source: Harmonized Tariff Schedule of the United States, USITC, current revision. General rate of duty (Column 1) as published; Chapter 99 headings as listed in the table above.

More from China

Other lines importers price from the same origin.

Questions about this example

What is the import duty on non-halogenated organophosphorous compounds from China?: On HTS 2931.49.00.80 the effective duty rate is 16.2% (3.7% general rate + 12.5% forced labor). On a $10,000 customs value that is $1,620 in duty before CBP fees.
Which tariff programs apply to HTS 2931.49.00.80 from China?: Section 301 forced labor at 12.5% (9903.05.31).
What does CBP charge on top of the duty?: The Merchandise Processing Fee at 0.3464% of value, $34.64 here, subject to the statutory minimum and maximum. The Harbor Maintenance Fee at 0.125% on ocean entries, $12.50 here. Total government fees on this shipment: $47.14. Collected by U.S. Customs and Border Protection.
Is this the exact amount my customs broker will collect?: It is a planning estimate priced by the Gateway tariff engine on the assumptions shown: HTS 2931.49.00.80, China origin, $10,000 customs value, ocean transport. The entered classification, the appraised value, the entry date and any exclusion or program claim change the result, and antidumping or countervailing rates are exporter-specific. Run your own numbers in the calculator and confirm with a licensed broker.

Estimate for planning purposes only, priced on the assumptions stated above. Actual duties depend on the entered classification, the appraised value, the entry date and any program or exclusion claimed, and antidumping or countervailing rates are exporter-specific. Gateway Lines is not a licensed customs broker; confirm official determinations with one.