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

9902.05.37 - Ammonium (2RS)-2-amino-4-(methylphosphinato)butyric acid (Glufosinate Ammonium) (CAS No. 77182-82-2) (provided for in subheading 2931.39.00)

Details

FieldValue
Unit of QuantityN/A
General Rate of Duty (Column 1 - General)1.5%
Special Rate of Duty (Column 1 - Special)No change
Column 2 Rate of DutyNo change
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, 9902.05.37, specifically classifies Ammonium (2RS)-2-amino-4-(methylphosphinato)butyric acid, commonly known as Glufosinate Ammonium. This substance is a broad-spectrum herbicide. Its inclusion within Chapter 99 signifies that it is subject to temporary legislation, modifications, or additional import restrictions proclaimed under specific trade agreements or section 22 of the Agricultural Adjustment Act, as amended. This often indicates a measure to regulate the import volume or conditions for this particular commodity.

Unlike the broad categories of live animals or other agricultural products found at lower levels of the HTS, this classification is highly specific, targeting a single chemical compound. The presence of the CAS number (77182-82-2) further emphasizes the precise identification required for this entry. While other chemical compounds might be classified within the broader chapters of the HTS, Glufosinate Ammonium is designated here to facilitate the application of specific trade policies and restrictions relevant to this herbicide.

As a leaf node, HTS 9902.05.37 does not have further subcategories. This means that any import or export of Glufosinate Ammonium under this classification will be directly subject to the provisions outlined in this specific HTS code. Importers and exporters must ensure that all documentation accurately reflects the product and complies with any associated temporary legislation or restrictions. The parenthetical reference to subheading 2931.39.00 indicates its underlying classification within the HTS before being subjected to the specific Chapter 99 provisions.

Frequently Asked Questions

›What is HTS code 9902.05.37?
HTS code 9902.05.37 covers Ammonium (2RS)-2-amino-4-(methylphosphinato)butyric acid (Glufosinate Ammonium) (CAS No. 77182-82-2) (provided for in subheading 2931.39.00) under the US Harmonized Tariff Schedule. It falls under Chapter 99: Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended.
›What products are classified under 9902.05.37?
This classification covers Ammonium (2RS)-2-amino-4-(methylphosphinato)butyric acid (Glufosinate Ammonium) (CAS No. 77182-82-2) (provided for in subheading 2931.39.00). It falls under Chapter 99: Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended.
›What is the import duty rate for 9902.05.37?
The general rate of duty for HTS 9902.05.37 is 1.5%. Special preferential rates may apply: No change. The Column 2 rate is No change.

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