HS code 281112: Hydrogen Cyanide
- Covers:
- Other inorganic acids and other inorganic oxygen compounds of non-metals: Hydrogen cyanide…
- Listed US duty:
- 4.2% (US general rate, HTS 2026)
Official description
Other inorganic acids and other inorganic oxygen compounds of non-metals : Other inorganic acids : Hydrogen cyanide (hydrocyanic acid)
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 281112 covers and what it doesn’t
Official text: Other inorganic acids and other inorganic oxygen compounds of non-metals › Other inorganic acids › Hydrogen cyanide (hydrocyanic acid).
Nearby codes to check
- Heading 2811 Other inorganic acids and other inorganic oxygen compounds of non-metals: every subheading side by side.
- 281111 Other inorganic acids — Hydrogen fluoride (hydrofluoric acid)
- 281119 Other inorganic acids — Other
- 281121 Other inorganic oxygen compounds of non-metals — Carbon dioxide
- 281122 Other inorganic oxygen compounds of non-metals — Silicon dioxide
- 281129 Other inorganic oxygen compounds of non-metals — Other
US duty rate
4.2%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Common questions
- What is HS code 281112?
- Other inorganic acids and other inorganic oxygen compounds of non-metals : Other inorganic acids : Hydrogen cyanide (hydrocyanic acid)
- What duty rates apply to 281112?
- Listed duty rates range from 4.2% across 1 country rate.
Go beyond the code
Find the companies shipping under 281112 in the company directory, or classify and check duty with the CLI.