VI. Products of the chemical or allied industries·HS 28·Inorganic chemicals

HS6

2811.12

Hydrogen cyanide

氰化氢

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Common synonyms

hydrogen cyanide

HCN

氢氰酸

Tariff across 13 jurisdictions

Country	Full code	MFN	FTA	Source	Verified
USUnited States	2811.12.00.00	4.2%	USMCA: 0%, US-Oman: 0%	USITC Verified	2026-05-22 MacMap
CNChina	2811129000	5.0%	—	GACC Verified	2026-05-31 MacMap
EUEuropean Union	2811120000	Free	—	EU Verified	2026-05-23 MacMap
UKUnited Kingdom	2811120000	Free	Japan-UK: 0%, Korea-UK: 0%	UK Verified	2026-05-23 MacMap
JPJapan	281112000	3.3%	—	Japan Verified	2026-05-22 MacMap
KRSouth Korea	2811120000	6.0%	RCEP: 0%, Korea-China: 0%	KCS Default	2026-05-06 MacMap
INIndia	28111200	7.5%	ASEAN-India: 0%	CBIC Default	2026-05-05 MacMap
AUAustralia	2811120000	Free	—	ABF Verified	2026-05-23 MacMap
CACanada	2811120000	Free	GSP: 0%, CPTPP: 0%	CBSA Verified	2026-05-22 MacMap
MXMexico	28111200	Free	—	TIGIE Verified	2026-05-29 MacMap
BRBrazil	28111200	Free	—	Mercosur Verified	2026-05-29 MacMap
VNVietnam	28111200	Free	—	Vietnam Verified	2026-06-01 MacMap
THThailand	28111200000	5.0%	RCEP: 0%, ASEAN-China: 0%	Thailand Default	2026-04-25 MacMap

Additional duties and compliance

IN

India

Social Welfare Surcharge (10% of BCD)0.8%

MX

Mexico

Customs Processing Fee (DTA)0.8%

BR

Brazil

PIS/COFINS-Import (combined)9.3%