HS Code 290431
Perfluorooctane sulfonic acid
| HS code | 290431 |
|---|---|
| Description | Perfluorooctane sulfonic acid |
| Chapter | 29 |
| Section | VI — Products of the chemical or allied industries |
The first six digits of an HS code are harmonized worldwide. Countries extend it with extra digits and their own duty rates — below are the US HTS (10-digit) equivalents. Always confirm with official customs sources before shipping.
US HTS equivalents (1)
| HTS code | Description | Duty |
|---|---|---|
2904310000 | Perfluorooctane sulfonic acid | 3.7% |