HS Code 28.11.12 — Hydrogen cyanide (hydrocyanic acid)

ℹ Many substances in this chapter (inorganic chemicals) may be classified as dangerous goods under ADR. Common hazard classes include Class 5.1 (oxidising), Class 6.1 (toxic), and Class 8 (corrosive). Always check individual substance classification before transport. Check ADR classification →

Classification is the shipper’s legal responsibility. This reference is based on common HS-ADR correlations from public regulatory data. Always verify against the current ADR, IMDG Code, or IATA DGR and consult a qualified DGSA where required.

HS 28.11.12WCO HS 2022

Hydrogen cyanide (hydrocyanic acid)

Section: VI; Products of the chemical or allied industries
Chapter: 28; Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
Heading: 28.11; Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810
Level: Subheading; International 6-digit level (WCO HS 2022)

This is the international 6-digit HS code. Your country may use additional digits for national tariff purposes. For UK tariff and duty rates, check the UK Trade Tariff. For US rates, check the USITC HTS.