Subheading 3102.21
US HTSAmmonium sulfate
1 tariff line
| HTS Code | Description | MFN Rate | Special |
|---|---|---|---|
| 3102.21.00 | Ammonium sulfate | Free | — |
Source: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.