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HTS 2837Cyanides, cyanide oxides and complex cyanides

Product or HTS code

Rate lines6

Code	Description	General	Special	Column 2	Units	Calculate
	Cyanides and cyanide oxides
2837.11.00.00	2837.11.00.00Of sodiumGeneral Free · Column 2 Free · kg	Free		Free	kg
2837.19.01	2837.19.01OtherGeneral Free · Column 2 Free	Free		Free
2837.19.01.10	2837.19.01.10Potassium cyanideGeneral Free · Column 2 Free · kg	Free		Free	kg
2837.19.01.15	2837.19.01.15Calcium cyanideGeneral Free · Column 2 Free · kg	Free		Free	kg
2837.19.01.25	2837.19.01.25OtherGeneral Free · Column 2 Free · kg	Free		Free	kg
2837.20	2837.20Complex cyanides
2837.20.10.00	2837.20.10.00Potassium ferricyanideGeneral 1.1% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 5.1% · kg	1.1%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	5.1%	kg
2837.20.51.00	2837.20.51.00OtherGeneral 1.7% · Special Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 8.5% · kg	1.7%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	8.5%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Switzerland56.28% of imports	China15.22% of imports	Germany12.91% of imports	Czechia6.09% of imports	Japan5.06% of imports	South Korea2.52% of imports	India1.85% of imports	Hong Kong SAR China0.04% of imports	Canada0.02% of imports	Taiwan0.01% of imports
2837.11.00.00Of sodium	12.5%9903.05.74	37.5%9903.05.319903.88.03	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.71	10%9903.05.44	12.5%9903.05.43	10%9903.05.29	10%9903.05.76
2837.19.01.10Potassium cyanide	12.5%9903.05.74	20%9903.05.319903.88.15	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.71	10%9903.05.44	12.5%9903.05.43	10%9903.05.29	10%9903.05.76
2837.19.01.15Calcium cyanide	12.5%9903.05.74	20%9903.05.319903.88.15	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.71	10%9903.05.44	12.5%9903.05.43	10%9903.05.29	10%9903.05.76
2837.19.01.25Other	12.5%9903.05.74	20%9903.05.319903.88.15	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.71	10%9903.05.44	12.5%9903.05.43	10%9903.05.29	10%9903.05.76
2837.20.10.00Potassium ferricyanide	12.5%9903.05.74	38.6%9903.05.319903.88.03	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.71	11.1%9903.05.44	13.6%9903.05.43	11.1%9903.05.29	10%9903.05.76
2837.20.51.00Other	12.5%9903.05.74	39.2%9903.05.319903.88.03	10%9903.05.39	10%9903.05.39	12.5%9903.05.49	12.5%9903.05.71	11.7%9903.05.44	14.2%9903.05.43	11.7%9903.05.29	10%9903.05.76

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).