| HS CODES CHAPTER | |
| Chapter | Chapter Description |
| Chapter-28 | Inorganic Chemicals; Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements of Isotopes |
| HS CODES HEADING | |
| Hs Code Heading | Heading Description |
| 2811 | OTHER INORGANIC ACIDS AND OTHER INORGANIC OXYGEN COMPOUNDS OF NON-METALS |
| HS CODE PRODUCTS | |
| HS CodeS | Products Description |
| 28111100 | Hydrogen fluoride (hydrofluoric acid) |
| 28111200 | Hydrogen cyanide (hydrocyanic acid) |
| 281119 | Other: |
| 28111910 | Hydrocyanic acid (hydrogen cyanide, prussic acid) [Entry Omitted by Finance Act, 2016] |
| 28111920 | Hypophosphorus acid (phosphinic acid) |
| 28111930 | Acids of arsenic |
| 28111940 | Sulphonic acid |
| 28111990 | Other |
| 281121 | Carbon dioxide: |
| 28112110 | Dry ice |
| 28112190 | Other |
| 28112200 | Silicon dioxide |
| 281129 | Other: |
| 28112910 | Arsenic pentaoxide |
| 28112920 | Arsenic trioxide |
| 28112930 | Nitrous oxide |
| 28112940 | Carbon monoxide |
| 28112950 | Sulphur trioxide (sulphuric anhydride) |
| 28112990 | Other |