HS Heading 2850
Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading no. 2849
1 tariff line in this heading, within chapter 28 (Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes). Click any HS code for the full breakdown and a duty calculation.
| HS Code | Description | CD | SD | VAT | AIT | RD | AT | TTI |
|---|---|---|---|---|---|---|---|---|
| 28500000 | Hydrides,Nitrides,Azides,Silicides&Borides,Chem.Defnd/Not;Ex.Carbds Hd2849 | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
Recorded imports
Between December 2025 and May 2026, NBR recorded commercial imports worth BDT 18,223,211 (68,899 kg) under this heading, across 1 of its 1 tariff lines.
| Month | Lines with imports | Net weight | Assessable value |
|---|---|---|---|
| December 2025 | 1 | 44,556 kg | BDT 12,483,906 |
| February 2026 | 1 | 327 kg | BDT 1,639,001 |
| March 2026 | 1 | 0 kg | BDT 21,126 |
| May 2026 | 1 | 24,016 kg | BDT 4,079,178 |
The largest lines by assessable value in May 2026:
- 28500000 — Hydrides,Nitrides,Azides,Silicides&Borides,Chem.Defnd/Not;Ex.Carbds Hd2849 — BDT 4,079,178
Import figures: NBR Import Statements (IM-4 commercial), December 2025 – May 2026. Assessable value is the customs value on which duty is charged, not the retail or invoice price.