1-Hydroxyethylidene-1, 1-Diphosphonic Acid From the People's Republic of China: Final Affi
The U.S. Department of Commerce (Commerce) determines that imports of acidic (non-neutralized) concentrations of 1- hydroxyethylidene-1, 1-diphosphonic acid (HEDP), also referred to as hydroxyethylidenendiphosphonic acid, hydroxyethanediphosphonic acid, acetodiphosphonic acid, and etidronic acid, in solid or powder for
| Agency | Commerce Department, International Trade Administration |
|---|---|
| Document type | Notice |
| Published | 2026-02-23 |
| Summary | The U.S. Department of Commerce (Commerce) determines that imports of acidic (non-neutralized) concentrations of 1- hydroxyethylidene-1, 1-diphosphonic acid (HEDP), also referred to as hydroxyethylidenendiphosphonic acid, hydroxyethanediphosphonic acid, acetodiphosphonic acid, and etidronic acid, in solid or powder form (acidic solid HEDP) from the People's Republic of China (China) are circumventing the antidumping duty (AD) and countervailing duty (CVD) orders on HEDP from China. |
| Document number | 2026-03538 |
| Official record | https://www.federalregister.gov/documents/2026/02/23/2026-03538/1-hydroxyethylidene-1-1-diphosphonic-acid-from-the-peoples-republic-of-china-final-affirmative |