Customs tariff code 2815.20.00.00: Potassium hydroxide (caustic potash)
Reference data as at 1 July 2026
Customs tariff code 2815.20.00.00 covers Potassium hydroxide (caustic potash). The third-country duty rate is 5.5 %, plus import VAT.
2815.20.00.00 is TARIC 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
- 2815.20.00.00
- Third-country duty
- 5.5 %
- Declarable
- No
- Binding rulings
- 6
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
- 2815Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium
- 2815.20Potassium hydroxide (caustic potash)
- 2815.20.00.00Potassium hydroxide (caustic potash)
From HS code to customs tariff code 2815.20.00.00
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
POTASSIUM HYDROXIDE IN AQUEOUS SOLUTION. CAS # 1310-58-3. STATE: LIQUID COLOUR: COLOURLESS ODOUR: ODOURLESS
Dle deklarovaných údajů a předložené dokumentace se jedná o hydroxid draselný o čistotě > 90 % hmotnostních. Produkt je ve formě bílých šupin (perliček). Chemický vzorec: KOH Kód CAS: 1310-58-3 Balení: big bag 1000 kg, pytel 25 kg
POTASSIUM HYDROXIDE IN AQUEOUS SOLUTION CAS NUMBER: 1310-58-3 STATE: LIQUID COLOUR: COLOURLESS ODOUR: ODOURLESS
POTASSIUM HYDROXIDE SOLUTION 45%, FOR HPLC MADE UP OF A MIXTURE OF WATER (7732-18-5) BEING <=75% OF THE PRODUCT AND POTASSIUM HYDROXIDE (1310-58-3) BEING >=25% OF THE PRODUCT. SYNONYMS: POTASSIUM HYDROXIDE, IN AQUEOUS SOLUTION; CAUSTIC POTASH IN AQUEOUS SOLUTION CAS RN 1310-58-3
POTASSIUM HYDROXIDE 0-10% LIQUID, COLOURLESS & ODOURLESS. SYNONYMS: POTASSIUM HYDROXIDE, IN AQUEOUS SOLUTION; CAUSTIC POTASH, IN AQUEOUS SOLUTION CAS RN 1310-58-3
CAUSTIC POTASH FLAKE.99% MINIMUM ASSAY OF KOH. IN A SOLID FORM
Notes that govern this classification
Erläuterungen zum Harmonisierten System (HS) A. – Natriumhydroxid (Ätznatron) Natriumhydroxid (NaOH), Ätznatron, wird auch als kaustische Soda bezeichnet. Man darf dieses Erzeugnis nicht mit der Soda des Handels verwechseln, die aus Natriumcarbonat besteht (Pos. 2836). Natriumhydroxid wird z. B. durch Kaustifizieren von Natriumcarbonat mit Kalkmilch (Ätzkalk) oder durch Elektrolyse von Natriumchlorid hergestellt. Es kann als wässrige Lösung oder als wasserfreier Feststoff in den Handel kommen. Natriumhydroxid in wässriger Lösung liefert bei der Verdampfung ein festes Natriumhydroxid in der Form von Schuppen oder Stücken. Das reine Produkt wird als Pellets oder Würfel in Glasgefäßen aufbewahrt. Festes Natriumhydroxid greift die Haut an und zerstört die Schleimhäute. …
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 2815.20.00.00 cover?
Code 2815.20.00.00 covers Potassium hydroxide (caustic potash). Classification turns on the material, function, and intended use of the goods, not on their trade name.
What is the duty rate for 2815.20.00.00?
The third-country duty rate for 2815.20.00.00 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 2815.20.00.00?
The first six digits form the HS code: 281520. Those are uniform worldwide, while the further digits carry the EU Combined Nomenclature and the national subdivision.
How many digits does 2815.20.00.00 have?
2815.20.00.00 has ten digits and carries the EU measures held in TARIC. A German import declaration requires the eleven-digit commodity code.
Where does 2815.20.00.00 sit in the tariff?
2815.20.00.00 sits in this hierarchy: 28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METALS, OF RARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES > 2815 Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium > 281520 Potassium hydroxide (caustic potash). The parent headings and their notes help decide whether the classification holds.
Is there binding tariff information for 2815.20.00.00?
Yes. The EBTI database holds decisions on 2815.20.00.00, for example IEBTI19NT-14-8285-01. 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 2815.20.00.00 change?
2815.20.00.00 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.