HTS heading 2930 · Chapter 29
HTS 2930: Organo-sulfur compounds
HTS heading 2930 covers organo-sulfur compounds. It has 22 tariff lines with a duty rate; the general (MFN) rates are 3.7% (7 lines), 6.5% (7 lines), Free (7 lines) and others.
Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.
Tariff lines and duty rates
| HTS code | Description | General | Special | Column 2 | Estimate |
|---|---|---|---|---|---|
| 2930.10.01.00 | 2-(N,N-Dimethylamino) ethanethiol[kg] | 3.7% | Free (A, AU, BH, CL, CO, D, E, IL, JO, K, KR, L, MA, OM, P, PA, PE, S, SG) | 25% | Estimate → |
| 2930.20 | Thiocarbamates and dithiocarbamates: | ||||
| Aromatic: | |||||
| 2930.20.10.00 | Pesticides[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 48.5% | Estimate → |
| 2930.20.20 | Other | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 40.5% | |
| 2930.20.20.10 | Products used principally for rubber processing[kg] | Estimate → | |||
| 2930.20.20.50 | Other[kg] | Estimate → | |||
| Other: | |||||
| 2930.20.70.00 | S-(2,3,3'-trichloroallyl)diisopropylthiocarbamate[kg] | Free | 25% | Estimate → | |
| 2930.20.90 | Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | |
| 2930.20.90.10 | Pesticides[kg] | Estimate → | |||
| 2930.20.90.20 | Products used principally for rubber processing[kg] | Estimate → | |||
| 2930.20.90.50 | Other[kg] | Estimate → | |||
| 2930.30 | Thiuram mono-, di- or tetrasulfides: | ||||
| 2930.30.30.00 | Tetramethylthiuram monosulfide[kg] | Free | 25% | Estimate → | |
| 2930.30.60.00 | Other[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2930.40.00.00 | Methionine[kg] | Free | 25% | Estimate → | |
| 2930.60.00.00 | 2-(N,N-Diethylamino)ethanethiol[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2930.70.00.00 | Bis(2-hydroxyethyl)sulfide (thiodiglycol (INN))[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| 2930.80.00.00 | Aldicarb (ISO), captafol (ISO) and methamidophos (ISO)[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | Estimate → |
| 2930.90 | Other: | ||||
| Aromatic: | |||||
| 2930.90.10.00 | Pesticides[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 64.5% | Estimate → |
| Other: | |||||
| 2930.90.24.00 | N-Cyclohexylthiophthalimide[kg] | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40.5% | Estimate → |
| 2930.90.26.00 | 3-(4'-Aminobenzamido)phenyl-ß-hydroxy- ethylsulfone; 2-[(4-Aminophenyl)sulfonyl] ethanol, hydrogen sulfate ester; Diphenylthiourea;N,N'-(Dithiodi-2,1-phenylene) bisbenzamide; Pentachlorothiophenol; and 4,4'-Thiodiphenyl cyanate[kg] | Free | 15.4¢/kg + 40.5% | Estimate → | |
| 2930.90.29.00 | Other[kg] | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40.5% | Estimate → |
| Other: | |||||
| Pesticides: | |||||
| 2930.90.30.00 | Thiocyanates, thiurams and isothiocyanates[kg] | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | Estimate → |
| Other: | |||||
| 2930.90.42.00 | O,O-Dimethyl-S-methyl carbamoyl- methyl phosphorodithioate; and Malathion[kg] | Free | 30.5% | Estimate → | |
| 2930.90.43 | Other | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | |
| 2930.90.43.10 | O-Ethyl-S-phenylethylphosphono- thiolothionate (fonofos)[kg] | Estimate → | |||
| 2930.90.43.15 | Phorate (ISO)[kg] | Estimate → | |||
| 2930.90.43.20 | Compounds containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms[kg] | Estimate → | |||
| 2930.90.43.30 | Terbufos (ISO)[kg] | Estimate → | |||
| 2930.90.43.90 | Other[kg] | Estimate → | |||
| Other: | |||||
| Acids: | |||||
| 2930.90.46.00 | dl-Hydroxy analogue of dl-methionine[kg] | Free | 25% | Estimate → | |
| 2930.90.49 | Other | 4.2% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | |
| 2930.90.49.10 | Thioglycolic acid[kg] | Estimate → | |||
| Mercaptocarboxylic acids: | |||||
| 2930.90.49.40 | Acetylcysteine (INN) and its salts[kg] | Estimate → | |||
| 2930.90.49.45 | Other[kg] | Estimate → | |||
| 2930.90.49.50 | Other[kg] | Estimate → | |||
| Other: | |||||
| 2930.90.71.00 | Dibutylthiourea[kg] | Free | 25% | Estimate → | |
| 2930.90.92 | Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 25% | |
| 2930.90.92.08 | O,O-Diethyl S-[2-(diethylamino)- ethyl] phosphorothioate and its alkylated or protonated salts; and Thiodiglycol (INN) (bis(2-hydroxy- ethyl) sulfide)[kg] | Estimate → | |||
| 2930.90.92.10 | Cysteine hydrochloride[kg] | Estimate → | |||
| 2930.90.92.12 | 2-Ethylhexyl mercaptoacetate[kg] | Estimate → | |||
| 2930.90.92.22 | N,N-Dialkyl (methyl, ethyl, n-propyl or isopropyl) aminoethane-2-thiols and their protonated salts, except for 2-(N,N- dimethylamino)ethanethiol and 2-(N,N- diethylamino)ethanethiol[kg] | Estimate → | |||
| 2930.90.92.25 | Other compounds containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms[kg] | Estimate → | |||
| Other: | |||||
| 2930.90.92.31 | Products used principally for rubber processing[kg] | Estimate → | |||
| 2930.90.92.35 | Drugs[kg] | Estimate → | |||
| Other: | |||||
| 2930.90.92.40 | Dimethyl sulfide (DMS) (CAS No. 75-18-3)[kg] | Estimate → | |||
| 2930.90.92.55 | Other[kg] | Estimate → |
45 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.
Example: base duty and fees on $10000
For HTS 2930.10.01.00 at the general rate of 3.7%, shipped by ocean, before any Chapter 99 tariffs:
| Base duty (3.7%) | $370.00 |
| Merchandise Processing Fee (0.3464%, min $34.58) | $34.64 |
| Harbor Maintenance Fee (0.125%) | $12.50 |
| Duty and fees | $417.14 |
Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.
Special program codes in this heading
- A, A*, A+
- Generalized System of Preferences (GSP)
- AU
- U.S.–Australia FTA
- BH
- U.S.–Bahrain FTA
- CL
- U.S.–Chile FTA
- CO
- U.S.–Colombia Trade Promotion Agreement
- D
- African Growth and Opportunity Act (AGOA)
- E, E*
- Caribbean Basin Economic Recovery Act
- IL
- U.S.–Israel FTA
- JO
- U.S.–Jordan FTA
- K
- Agreement on Trade in Pharmaceutical Products
- KR
- U.S.–Korea FTA (KORUS)
- L
- Uruguay Round concessions on intermediate chemicals for dyes
- MA
- U.S.–Morocco FTA
- OM
- U.S.–Oman FTA
- P, P+
- CAFTA-DR
- PA
- U.S.–Panama Trade Promotion Agreement
- PE
- U.S.–Peru Trade Promotion Agreement
- S, S+
- USMCA (United States–Mexico–Canada Agreement)
- SG
- U.S.–Singapore FTA
A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.
Frequently asked questions
What is the duty rate for HTS 2930?
Heading 2930 has 22 rate lines. The general (MFN) duty rates are 3.7% (7 lines), 6.5% (7 lines), Free (7 lines), 4.2% (1 line). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.
Do Section 301, 232 or 201 tariffs apply to HTS 2930?
It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.
What fees are added to an import under HTS 2930?
Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.