Chapter 28 · Inorganic chemicals · Section 6

HS Code 2825.90

Other

Heading 2825: Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides

US duty (general)
Free - 5.5%
US HTS lines
6
EU CN codes
7
UK commodity codes
11
Unit
kg, W kg

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

United States - HTS lines under 2825.90

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
2825.90.10 Beryllium oxide and hydroxide 3.7% Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 25% kg
2825.90.15 Niobium oxide 3.7% Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 25% kg
2825.90.20 Tin oxides 4.2% Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 25% kg
2825.90.30 Tungsten oxides 5.5% Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG) 45.5% kg, W kg
2825.90.75 Cadmium oxide Free - 25% kg
2825.90.90 Other 3.7% Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 25% 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 2825.90

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
2825 90 60 Cadmium oxide EU duty (TARIC) →
2825 90 20 Beryllium oxide and hydroxide EU duty (TARIC) →
2825 90 19 Other EU duty (TARIC) →
2825 90 40 Tungsten oxides and hydroxides EU duty (TARIC) →
2825 90 85 Other EU duty (TARIC) →
2825 90 11 Calcium hydroxide of a purity of 98 % or more calculated on the dry weight, in the form of particles of which: – not more than 1 % by weight have a particle-size exceeding 75 micrometres, – not more than 4 % by weight have a particle-size of less than 1,3 micrometres EU duty (TARIC) →
2825 90 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2825.90

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
2825 90 00 00 Other UK duty & VAT →
2825 90 11 00 Calcium hydroxide of a purity of 98|% or more calculated on the dry weight, in the form of particles of which: -|not more than 1|% by weight have a particle-size exceeding 75|micrometres and -|not more than 4|% by weight have a particle-size of less than 1,3|micrometres UK duty & VAT →
2825 90 19 00 Other UK duty & VAT →
2825 90 20 00 Beryllium oxide and hydroxide UK duty & VAT →
2825 90 40 00 Tungsten oxides and hydroxides UK duty & VAT →
2825 90 40 30 Tungsten trioxide, including blue tungsten oxide (CAS RN 1314-35-8 or CAS RN 39318-18-8) UK duty & VAT →
2825 90 40 80 Other UK duty & VAT →
2825 90 60 00 Cadmium oxide UK duty & VAT →
2825 90 85 00 Other UK duty & VAT →
2825 90 85 10 Tin oxides and hydroxides UK duty & VAT →
2825 90 85 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 2825

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.