Customs tariff code 2835.31.00: Sodium triphosphate (sodium tripolyphosphate)
Reference data as at 1 July 2026
Customs tariff code 2835.31.00 covers Sodium triphosphate (sodium tripolyphosphate). The third-country duty rate is 5.5 %, plus import VAT.
2835.31.00 is CN code in the EU customs tariff, in chapter 28. This page shows the full classification path, the duty rate, the official comparison cases, and the notes that govern this code.
This code is not declarable on its own. A declaration needs one of the subdivisions beneath it.
- Customs code
- 2835.31.00
- Third-country duty
- 5.5 %
- Declarable
- No
- Binding rulings
- 3
Where this code sits in the tariff
- 28INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES
- 2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined
- 2835.31Sodium triphosphate (sodium tripolyphosphate)
- 2835.31.00Sodium triphosphate (sodium tripolyphosphate)
From HS code to customs tariff code 2835.31.00
Duty rates and preferences
| Origin | Duty rate | Basis |
|---|---|---|
| Third-country duty | 5.5 % | MFN |
| Faroe Islands | 0 % | Tariff preference |
| Melilla | 0 % | Tariff preference |
| Occupied palestinian Territory | 0 % | Tariff preference |
| Türkiye | 0 % | Customs Union Duty |
| San Marino | 0 % | Customs Union Duty |
| Andorra | 0 % | Customs Union Duty |
| EU-Switzerland agreement: re-imported goods | 0 % | Tariff preference |
| GSP-EBA (Special arrangement for the least-developed countries… | 0 % | Tariff preference |
| Moldova, Republic of | 0 % | Tariff preference |
| Ecuador | 0 % | Tariff preference |
| United Kingdom | 0 % | Tariff preference |
| OCTs (Overseas Countries and Territories) | 0 % | Tariff preference |
Rates from the EU TARIC database. Preferential rates require valid proof of origin.
Binding tariff information for this code
Dle deklarovaných údajů se jedná o samostatnou chemickou anorganickou sloučeninu - tripolyfosfát sodný (trifosforečnan sodný), který se vyrábí z kyseliny fosforečné. IUPAC: pentanatrium-tripolyfosfát. Chemický vzorec: Na5P3O10. CAS RN: 7758-29-4. Forma a vzhled: bílý prášek nebo granule. Koncentrace: ≥ 95.0 % hm. Balení: 25kg papírové pytle.
Dle deklarovaných údajů se jedná o samostatnou chemickou anorganickou sloučeninu - tripolyfosfát sodný (trifosforečnan sodný), který se vyrábí z kyseliny fosforečné. IUPAC: pentanatrium-tripolyfosfát. Chemický vzorec: Na5P3O10. CAS RN: 7758-29-4. Forma a vzhled: bílý prášek nebo granule. Balení: 25kg papírové pytle.
Dle deklarovaných údajů se jedná o samostatnou chemickou anorganickou sloučeninu - tripolyfosfát sodný (trifosforečnan sodný), který se vyrábí z kyseliny fosforečné. Produkt je ve formě bílého prášku. Kód CAS: 7758-29-4 Vzorec: Na5P3O10 Balení: 25kg papírové pytle
Notes that govern this classification
Zu Unterpositionen 2835 31 00 bis 2835 39 00: Siehe die Erläuterungen zu Position 2835 des HS, Teil C erster Absatz Ziffern II, III und IV und zweiter Absatz Ziffern 1 b) und 2 d) bis 2 g).
1. A) Erzeugnisse (ausgenommen radioaktive Erze), die der Warenbeschreibung der Position 2844 oder 2845 entsprechen, gehören zu diesen Positionen, auch wenn andere Positionen der Nomenklatur in Betracht kommen (RV C0601A00). B) Vorbehaltlich des Buchstabens A) gehören Erzeugnisse, die der Warenbeschreibung der Position 2843, 2846 oder 2852 entsprechen, zu diesen Positionen, auch wenn andere Positionen dieses Abschnitts in Betracht kommen (RV C0601B00). 2. Vorbehaltlich der Anmerkung 1 sind Waren, die wegen ihrer Dosierung oder wegen ihrer Aufmachung für den Einzelverkauf zu einer der Positionen 3004, 3005, 3006, 3212, 3303, 3304, 3305, 3306, 3307, 3506, 3707 oder 3808 gehören können, dieser Position zuzuweisen, auch wenn andere Positionen der Nomenklatur in Betracht kommen (RV C0602000). 3. …
Subdivisions of this code
Frequently asked questions
What does customs tariff code 2835.31.00 cover?
Code 2835.31.00 covers Sodium triphosphate (sodium tripolyphosphate). Classification turns on the material, function, and intended use of the goods, not on their trade name.
What is the duty rate for 2835.31.00?
The third-country duty rate for 2835.31.00 is 5.5 %. Goods originating in a country with a preferential agreement may qualify for a lower rate against valid proof of origin.
What is the HS code for 2835.31.00?
The first six digits form the HS code: 283531. Those are uniform worldwide, while the further digits carry the EU Combined Nomenclature and the national subdivision.
How many digits does 2835.31.00 have?
2835.31.00 has eight digits and matches the EU Combined Nomenclature. A German import declaration requires the eleven-digit commodity code.
Where does 2835.31.00 sit in the tariff?
2835.31.00 sits in this hierarchy: 28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES > 2835 Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined > 283531 Sodium triphosphate (sodium tripolyphosphate). The parent headings and their notes help decide whether the classification holds.
Is there binding tariff information for 2835.31.00?
Yes. The EBTI database holds decisions on 2835.31.00, for example CZBTI31/341610/2025-300000-ZI/01. A BTI shows which product characteristics the customs authority relied on.
What happens if the customs tariff code is wrong?
An incorrect code leads to post-clearance recovery of duty and import VAT, delays at clearance, and a penalty where it repeats. A classification with documented reasoning can be defended in an audit.
Does customs tariff code 2835.31.00 change?
2835.31.00 is currently valid. The Combined Nomenclature is amended every 1 January, so master data should be checked against the current tariff annually.
Classifying more than one product?
This page shows one code. Zolltarif-Finder classifies entire product lists from Excel, CSV, or your ERP, with reasoning under GRI 1 to 6, official sources, compliance screening, and audit-ready reports.