What is the US import duty for HTS 2931.10.00.00?

HTS 2931.10.00.00 (Tetramethyl lead and tetraethyl lead) has a general (MFN) column rate of 3.7%, plus 2 active Chapter 99 overlay(s) that may apply depending on origin (for example, Section 301 or IEEPA actions). Final duty is determined by CBP at entry.

Which Chapter 99 rules are currently linked to HTS 2931.10.00.00?

The following rules are attached in our snapshot: 9903.88.03 (section301), 9903.90.08 (other) — section301 / other. Each rule has its own country scope and effective dates — check the rule detail on this page for the additional rate and status before applying it to your shipment.

Could HTS 2931.10.00.00 be subject to antidumping / countervailing duty (AD/CVD) orders?

Organic chemicals (Chapter 29) see a high volume of AD/CVD orders on specific products and countries. Duty does not evaluate AD/CVD automatically — check the DOC AD/CVD dashboard and CBP messages for your specific product + origin before quoting a landed cost.

Why is HTS 2931.10.00.00 a 10-digit statistical suffix?

The 10-digit format is used for CBP entry reporting to track quantity / form; actual column rates are typically set at the 6- or 8-digit parent subheading, and this page inherits those rates. Use the Chapter breadcrumb above to see sibling tariff lines within the same chapter. This page is marked noindex because the duty-relevant signal lives at the parent level.

Is this the binding duty determination?

No. This page is a reference built on USITC + Federal Register open data. The binding classification and duty amount is determined by CBP at entry. AD/CVD and product-specific exclusions require separate review.

HTS 2931.10.00.00 — Tetramethyl lead and tetraethyl lead

Name: HTS 2931.10.00.00 — Tetramethyl lead and tetraethyl lead
Creator: Duty
Published: 2026-04-24T06:26:43Z
License: https://www.usitc.gov/terms_use.htm

Base tariff columnsBase tariff columns

Column rates from the USITC HTS export. The column that applies depends on origin and trade-program eligibility.

General (MFN)	3.7%
Special	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
Other (Column 2)	25%
Units	kg

Official source: USITC Harmonized Tariff Schedule. Duty at entry is determined by US Customs and Border Protection (CBP). AD/CVD and product-specific exclusions are not evaluated by default.

Chapter 99 overlaysChapter 99 overlays

9903.88.03 section301 +25% active

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.90.08 other +0% active

Articles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter

Sample duty by originSample duty by origin

Illustrative calculation at USD 10,000 customs value, standard (non-preferential) claim. Chapter 99 additional duties applied where status is active.

Origin	Base rate	Chapter 99	Total rate	Duty (USD)
China (CN)	3.7%	25%	28.7%	$2,870.00
Vietnam (VN)	3.7%	0%	3.7%	$370.00
Mexico (MX)	3.7%	0%	3.7%	$370.00
India (IN)	3.7%	0%	3.7%	$370.00
South Korea (KR)	3.7%	0%	3.7%	$370.00

§ RELATED ENTRIESRelated HS codes in the same chapter

Adjacent lines under the same HTS chapter. Pick the most specific match for your product.

§ FAQFrequently asked questions

What is the US import duty for HTS 2931.10.00.00?: HTS 2931.10.00.00 (Tetramethyl lead and tetraethyl lead) has a general (MFN) column rate of 3.7%, plus 2 active Chapter 99 overlay(s) that may apply depending on origin (for example, Section 301 or IEEPA actions). Final duty is determined by CBP at entry.
Which Chapter 99 rules are currently linked to HTS 2931.10.00.00?: The following rules are attached in our snapshot: 9903.88.03 (section301), 9903.90.08 (other) — section301 / other. Each rule has its own country scope and effective dates — check the rule detail on this page for the additional rate and status before applying it to your shipment.
Could HTS 2931.10.00.00 be subject to antidumping / countervailing duty (AD/CVD) orders?: Organic chemicals (Chapter 29) see a high volume of AD/CVD orders on specific products and countries. Duty does not evaluate AD/CVD automatically — check the DOC AD/CVD dashboard and CBP messages for your specific product + origin before quoting a landed cost.
Why is HTS 2931.10.00.00 a 10-digit statistical suffix?: The 10-digit format is used for CBP entry reporting to track quantity / form; actual column rates are typically set at the 6- or 8-digit parent subheading, and this page inherits those rates. Use the Chapter breadcrumb above to see sibling tariff lines within the same chapter. This page is marked noindex because the duty-relevant signal lives at the parent level.
Is this the binding duty determination?: No. This page is a reference built on USITC + Federal Register open data. The binding classification and duty amount is determined by CBP at entry. AD/CVD and product-specific exclusions require separate review.