HS Heading 2811
Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810
7 tariff lines 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 |
|---|---|---|---|---|---|---|---|---|
| 28111100 | Hydrogen Fluoride (Hydrofluoric Acid) | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28111200 | Hydrogen cyanide (hydrocyanic acid) | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28111900 | Other Inorganic Acids, Nes | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28112100 | Carbon Dioxide | 5 | 0 | 15 | 5 | 20 | 7.5 | 58.13% |
| 28112200 | Silicon Dioxide | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 28112910 | Silica gel | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 28112990 | Silica gel imported by other than VAT registered motorcycle assembling and manufa | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
Recorded imports
Between December 2025 and May 2026, NBR recorded commercial imports worth BDT 801,677,996 (7,247,206 kg) under this heading, across 6 of its 7 tariff lines. The remaining 1 recorded no commercial import in that window.
| Month | Lines with imports | Net weight | Assessable value |
|---|---|---|---|
| December 2025 | 5 | 1,024,210 kg | BDT 130,078,741 |
| January 2026 | 4 | 1,313,166 kg | BDT 125,072,533 |
| February 2026 | 5 | 1,245,432 kg | BDT 153,083,590 |
| March 2026 | 5 | 1,129,004 kg | BDT 126,814,076 |
| April 2026 | 6 | 910,174 kg | BDT 95,670,233 |
| May 2026 | 6 | 1,625,220 kg | BDT 170,958,823 |
The largest lines by assessable value in May 2026:
- 28112200 — Silicon Dioxide — BDT 119,163,205
- 28112990 — Silica gel imported by other than VAT registered motorcycle assembling and manufa — BDT 21,906,449
- 28112910 — Silica gel — BDT 14,820,595
- 28112100 — Carbon Dioxide — BDT 10,637,940
- 28111100 — Hydrogen Fluoride (Hydrofluoric Acid) — BDT 3,795,945
Bonded imports. A further BDT 265,548,788 (1,346,521 kg) entered under the bonded-warehouse regime over the same months — duty-free inputs imported against an undertaking to re-export them. That is 24.9% of the total value imported under this heading.
Import figures: NBR Import Statements (IM-4 commercial, IM-7 bonded), December 2025 – May 2026. Assessable value is the customs value on which duty is charged, not the retail or invoice price.