Heading 2920: Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and…
Every line of heading 2920 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulfonated, nitrated or nitrosated derivatives
Chapter 29: Organic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2920.11.00.00 | Parathion (ISO) and parathion-methyl (ISO) (methyl-parathion) | Free |
| 2920.19 | Other: | |
| 2920.19.10.00 | O,O-Dimethyl-O-(4-nitro-m-tolyl)phosphoro- thioate (Fenitrothion) | 6.5% |
| 2920.19.40.00 | Other | 6.5% |
| 2920.19.50.00 | Other | 3.7% |
| 2920.21.00.00 | Dimethyl phosphite | 3.7% |
| 2920.22.00.00 | Diethyl phosphite | 3.7% |
| 2920.23.00.00 | Trimethyl phosphite | 3.7% |
| 2920.24.00.00 | Triethyl phosphite | 3.7% |
| 2920.29.00.00 | Other | 3.7% |
| 2920.30.00.00 | Endosulfan (ISO) | 3.7% |
| 2920.90 | Other: | |
| 2920.90.10.00 | Pesticides | 6.5% |
| 2920.90.20.00 | Other | 6.5% |
| 2920.90.51 | Other | 3.7% |
| 2920.90.51.10 | Ethylene carbonate (1,3-dioxolan-2-one) | |
| 2920.90.51.50 | Other |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- BEDOUKIAN RESEARCH, INC.
- EMBALMERS' SUPPLY COMPANY, THE
- FMI CHEMICAL, INC.
- HAMPFORD RESEARCH, INC.
- KING INDUSTRIES, INC.
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2920 has 9 of them. Schedule B lookup →
- 2920.11.0000PARATHION (ISO) AND PARATHION-METHYL (ISO) (METHYL-PARATHION)
- 2920.19.0000THIOPHOSPHORIC ESTERS (PHOSPHORO-THIOATES) AND THEIR SALTS, THEIR HALOGENATED, SULFONATED, NITRATED OR NITROSATED DERIVATIVES, NESOI
- 2920.21.0000DIMETHYL PHOSPHITE
- 2920.22.0000DIETHYL PHOSPHITE
- 2920.23.0000TRIMETHYL PHOSPHITE
- 2920.24.0000TRIETHYL PHOSPHITE
- 2920.29.0000OTHER PHOSPHITE ESTERS AND THEIR SALTS;THEIR HALOGENATED, SULFONATED, NITRATED OR NITROSATED DERIVATIVES
- 2920.30.0000ENDOSULFAN (ISO)
- 2920.90.0002ESTERS OF OTHER INORGANIC ACIDS OF NONMETALS & THEIR SALTS, THEIR HALOGENATED/SULFONATED/NITRATED/NITROSATED DERIVS, EXCEPT OF HYDROGEN HALIDES, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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