💾 Data Updated: Latest version • Last updated: December 09, 2025

2511.20.00.00 - Natural barium carbonate (witherite) 🖩

Details

FieldValue
Unit of Quantitykg
General Rate of Duty (Column 1 - General)Free
Special Rate of Duty (Column 1 - Special)N/A
Column 2 Rate of Duty30%
Quota QuantityN/A
Additional DutiesN/A
About Duty Rates: Rates are divided into Column 1 and Column 2. Column 1 is subdivided into General (normal trade relations rates for all countries not eligible for special programs) and Special (preferential rates for countries with free trade agreements or preference programs). Column 2 rates apply to products from Cuba, North Korea, Belarus, and Russia. When no special rate exists for a classification, General rates apply.

Overview

This HTS category, 2511.20.00.00, specifically covers natural barium carbonate, also known as witherite. Witherite is a mineral form of barium carbonate and is classified here regardless of whether it has been calcined. This classification is distinct from other forms of barium compounds, such as barium oxide, which would fall under Chapter 28.

The key differentiator for this category lies in the chemical composition and natural origin of the substance. While the broader heading 2511 encompasses both barium sulfate (barytes) and barium carbonate (witherite), this particular subheading isolates natural barium carbonate. Its sibling category, 2511.10, exclusively addresses natural barium sulfate. Therefore, the classification hinges on identifying witherite as the specific mineral being imported or exported.

As a leaf node, 2511.20.00.00 has no further subcategories. Classification at this level is therefore determined by confirming the material is indeed natural barium carbonate (witherite). Practical considerations for classification may include laboratory analysis to verify its chemical composition and ascertain its natural origin, distinguishing it from synthetic barium carbonate or other barium-containing minerals.

Frequently Asked Questions

›What is HTS code 2511.20.00.00?
HTS code 2511.20.00.00 covers Natural barium carbonate (witherite) under the US Harmonized Tariff Schedule. It falls under Chapter 25: Salt; sulfur; earths and stone; plastering materials, lime and cement.
›What products are classified under 2511.20.00.00?
This classification covers Natural barium carbonate (witherite). It is a subcategory of Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: (2511).
›What is the import duty rate for 2511.20.00.00?
The general rate of duty for HTS 2511.20.00.00 is Free. The Column 2 rate is 30%.
›What unit of quantity is used for 2511.20.00.00?
Imports under HTS 2511.20.00.00 are measured in kg.

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