Chapter 28 · Inorganic chemicals · Section 6

HS Code 2841.80

Tungstates (wolframates)

Heading 2841: Salts of oxometallic or peroxometallic acids

US duty (general)
5.5%
US HTS lines
1
EU CN codes
1
UK commodity codes
4
Unit
kg, W kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2841.80

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2841.80.00 Tungstates (wolframates)
3 statistical lines (10-digit)
  • 2841.80.00.10 - Of ammonium
  • 2841.80.00.20 - Of calcium
  • 2841.80.00.50 - Other
 5.5% Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG) 49.5% kg, W kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2841.80

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2841 80 00 Tungstates (wolframates) EU duty (TARIC) →

United Kingdom - commodity codes under 2841.80

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2841 80 00 00 Tungstates (wolframates) UK duty & VAT →
2841 80 00 10 Diammonium wolframate (ammonium paratungstate) (CAS RN 11120-25-5) UK duty & VAT →
2841 80 00 20 Disodium wolframate (CAS RN 13472-45-2) with a purity by weight of 90% or more UK duty & VAT →
2841 80 00 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2841

2841.00 2841 Salts of oxometallic or peroxometallic acids 2841.30 Sodium dichromate 2841.50 Other chromates and dichromates; peroxochromates 2841.61 Potassium permanganate 2841.69 Other 2841.70 Molybdates 2841.80 Tungstates (wolframates) 2841.90 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.