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 v4.0.1633 · updated 2026-10-21 · sources

Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.

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).

Nearby codes in heading 2825

The subheadings immediately before and after 2825.90 in chapter 28.

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.

Frequently asked questions

Common questions about HS code 2825.90.

What is HS code 2825.90?

HS code 2825.90 covers: Other. It belongs to chapter 28 (Inorganic chemicals) of the Harmonized System.

What is the US import duty for HS code 2825.90?

The US general (normal trade relations) rates under this subheading range: Free - 5.5%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.

What is the UK commodity code for 2825.90?

The UK extends 2825.90 to 11 declarable 10-digit commodity codes, starting with 2825900000. The full code goes on the UK customs declaration.