# United States tariff line 3808.93.50.10: Mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants

> In the United States tariff, line 3808.93.50.10 covers herbicides, anti-sprouting products and plant-growth regulators, mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants. The general (MFN) duty rate is 5%. It falls under HS subheading 3808.93 in heading 38.08 (chapter 38).

Source: https://border.bot/countries/united-states/hs-codes/3808935010
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 38](https://border.bot/countries/united-states/hs-codes/38) / [3808.93](https://border.bot/countries/united-states/hs-codes/380893) / [3808.93.50.10](https://border.bot/countries/united-states/hs-codes/3808935010)

## Key facts

- Tariff line: 3808.93.50.10
- Covers: Herbicides, anti-sprouting products and plant-growth regulators, mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants
- Duty (MFN): 5%
- Preferential rates: From free (17 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3808.93](https://border.bot/hs-codes/380893)

## What this line covers

In the United States tariff, line 3808.93.50.10 covers herbicides, anti-sprouting products and plant-growth regulators, mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants.

Its legal text is “Mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants”, read under “Other”, “Herbicides, anti-sprouting products and plant-growth regulators”, “Other” and “Other”.

Products commonly classified here include (2-Chloroethyl)trimethylammonium chloride (CAS No. 999-81-5) and Mixtures of S-(2,3,3-trichloro-2-propen-1-yl) diisopropylcarbamothioate (Triallate) (CAS No. 2303-17-5) (border.bot’s search keywords, not legal text).

## How it is structured

It falls under HS subheading 3808.93 in heading 38.08 (chapter 38). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 38: Miscellaneous chemical products
- Heading 38.08: Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulators, disinfectants and similar products, put up in forms or packings for retail sale or as preparations or articles (for example, sulfur-treated bands, wicks and candles, and flypapers)
- Subheading 3808.93: Other
- Within the subheading: Herbicides, anti-sprouting products and plant-growth regulators
- Within the subheading: Other
- Within the subheading: Other
- Line 3808.93.50.10: Mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants

## Duty

The general (MFN) duty rate is 5%.

The rate is published on 3808.93.50.

Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A+).

- Free: a group of origins (origin group A+) (A+)
- Free: United States-Australia Free Trade Agreement (AU)
- Free: United States-Bahrain Free Trade Agreement Implementation Act (BH)
- Free: United States-Chile Free Trade Agreement (CL)
- Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO)
- Free: African Growth and Opportunity Act (D)
- Free: Caribbean Basin Economic Recovery Act (E)
- Free: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- Free: United States-Korea Free Trade Agreement Implementation Act (KR)
- Free: United States-Morocco Free Trade Agreement Implementation Act (MA)
- Free: United States-Oman Free Trade Agreement Implementation Act (OM)
- Free: Dominican Republic-Central America-United States Free Trade Agreement (P)
- Free: United States-Panama Trade Promotion Agreement Implementation Act (PA)
- Free: United States-Peru Trade Promotion Agreement Implementation Act (PE)
- Free: United States-Mexico-Canada Agreement (S)
- Free: United States-Singapore Free Trade Agreement (SG)

## In other countries

No other national tariff on border.bot has live lines under 3808.93 yet.

- [The Harmonized System text for 3808.93](https://border.bot/hs-codes/380893)

## Other lines under 3808.93

- [3808.93.05.00](https://border.bot/countries/united-states/hs-codes/3808930500) Mixtures of 2,6-dichlorobenzonitrile and inerts; Mixtures of 3,5-dichloro-N-(1,1-dimethyl-2- propynyl) benzamide (Pronamide) and application adjuvants; Mixtures of 2-[(1-ethoxyimino)butyl]-5-[2- ethylthiopropyl]-3-hydroxy-2-cyclohexen-1- one (Sethoxydim) and application adjuvants; Mixtures of ethyl 2-[4-[(6-chloro-2- benzoxazolyl)oxy]phenoxy]propanoate (Fenoxaprop-ethyl) and isooctyl 2,4-dichlorophenoxyacetate; Mixtures of isooctyl 2-methyl-4-chlorophen- oxyacetate and application adjuvants
- [3808.93.15.00](https://border.bot/countries/united-states/hs-codes/3808931500) Other
- [3808.93.20.00](https://border.bot/countries/united-states/hs-codes/3808932000) Containing an inorganic substance
- [3808.93.50.20](https://border.bot/countries/united-states/hs-codes/3808935020) Mixtures of N-(phosphonomethyl) glycine (glyphosate) or its salts or esters and application adjuvants
- [3808.93.50.40](https://border.bot/countries/united-states/hs-codes/3808935040) Other

- Previous line: [3808.93.20.00](https://border.bot/countries/united-states/hs-codes/3808932000) Containing an inorganic substance
- Next line: [3808.93.50.20](https://border.bot/countries/united-states/hs-codes/3808935020) Mixtures of N-(phosphonomethyl) glycine (glyphosate) or its salts or esters and application adjuvants

## Frequently asked questions

### What does tariff line 3808.93.50.10 cover in the United States tariff?

In the United States tariff, line 3808.93.50.10 covers herbicides, anti-sprouting products and plant-growth regulators, mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants.

### What is the general (MFN) duty on 3808.93.50.10 in the United States?

The general (MFN) duty rate is 5%. The rate is published on 3808.93.50.

### Which preferential rates apply to 3808.93.50.10?

Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A+).

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/3808935010.json