Chapter 28 · Inorganic chemicals · Section 6
HS Code 2835.10
Phosphinates (hypophosphites) and phosphonates (phosphites)
Heading 2835: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined
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 2835.10
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 code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 2835.10.00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | 3.1% | 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 2835.10
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 code | Description | |
|---|---|---|
| 2835 10 00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | EU duty (TARIC) → |
United Kingdom - commodity codes under 2835.10
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 code | Description | |
|---|---|---|
| 2835 10 00 00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | UK duty & VAT → |
| 2835 10 00 10 | Sodium hypophosphite monohydrate (CAS RN 10039-56-2) | UK duty & VAT → |
| 2835 10 00 30 | Aluminium Phosphinate (CAS RN 7784-22-7) | UK duty & VAT → |
| 2835 10 00 40 | Calcium phosphinate (CAS RN 7789-79-9) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2835 10 00 50 | Sodium hypophosphite (CAS RN 7681-53-0) with a purity by weight of 97 % or more or as aqueous solution containing by weight 55 % or more but not more than 65 % of sodium hypophosphite | UK duty & VAT → |
| 2835 10 00 90 | Other | UK duty & VAT → |
Nearby codes in heading 2835
The subheadings immediately before and after 2835.10 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 2835.10.
What is HS code 2835.10?
HS code 2835.10 covers: Phosphinates (hypophosphites) and phosphonates (phosphites). It belongs to chapter 28 (Inorganic chemicals) of the Harmonized System.
What is the US import duty for HS code 2835.10?
The US general (normal trade relations) rate is: 3.1%. 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 2835.10?
The UK extends 2835.10 to 6 declarable 10-digit commodity codes, starting with 2835100000. The full code goes on the UK customs declaration.