# European Union tariff line 2933 69 80 70: Trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN)

> In the European Union tariff, line 2933 69 80 70 covers compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN). border.bot holds no general (MFN) duty rate for this line. It falls under HS subheading 2933.69 in heading 29.33 (chapter 29).

Source: https://border.bot/countries/european-union/hs-codes/2933698070
Last updated: 11 October 2026

[Countries](https://border.bot/countries) / [European Union](https://border.bot/countries/european-union) / [Chapter 29](https://border.bot/countries/european-union/hs-codes/29) / [2933.69](https://border.bot/countries/european-union/hs-codes/293369) / [2933 69 80 70](https://border.bot/countries/european-union/hs-codes/2933698070)

## Key facts

- Tariff line: 2933 69 80 70
- Covers: Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN)
- Duty (MFN): None recorded
- Preferential rates: From 0% (58 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Import VAT/GST in the European Union: VAT 21%
- De minimis in the European Union: Flat €3 duty up to €150; tax always charged
- Tariff: [European Union](https://border.bot/countries/european-union)
- HS subheading: [2933.69](https://border.bot/hs-codes/293369)

## What this line covers

In the European Union tariff, line 2933 69 80 70 covers compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN).

Its legal text is “Trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN)”, read under “Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 2933.69 in heading 29.33 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the European Union tariff.

- Chapter 29: Organic chemicals
- Heading 29.33: Heterocyclic compounds with nitrogen hetero-atom(s) only
- Subheading 2933.69: Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure
- Within the subheading: Other
- Within the subheading: Other
- Line 2933 69 80 70: Trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN)

## Duty

border.bot holds no general (MFN) duty rate for this line.

Duty-free entry applies to goods that qualify under 5 programmes, and to goods from 52 origins.

A preferential rate of 5.2% applies to goods from Mercosur.

- 0%: EU-Switzerland agreement: re-imported goods (1007)
- 0%: CARIFORUM (1033)
- 0%: Eastern and Southern Africa States (1034)
- 0%: SADC EPA (1035)
- 0%: Preferential origin in accordance with the Agreement in the form of an Exchange of Letters between the European Union and the Kingdom of Morocco on the amendment of Protocols 1 and 4 to the Euro-Mediterranean Agreement establishing an association between the European Communities and their Member St… (2000)
- 0%: GSP-EBA (Special arrangement for the least-developed countries - Everything But Arms) (2005)
- 0%: EEA - European Economic Area (2012)
- 0%: GSP - General arrangements (2020)
- 0%: GSP+ (incentive arrangement for sustainable development and good governance) (2027)
- 0%: OCTs (Overseas Countries and Territories) (2080)
- 0%: Central America (2200)
- 0%: Andorra (AD)
- 0%: Albania (AL)
- 0%: Bosnia and Herzegovina (BA)
- 0%: Canada (CA)
- 0%: Switzerland (CH)
- 0%: Côte d'Ivoire (CI)
- 0%: Chile (CL)
- 0%: Cameroon (CM)
- 0%: Colombia (CO)
- 0%: Algeria (DZ)
- 0%: Ecuador (EC)
- 0%: Egypt (EG)
- 0%: Fiji (FJ)
- 0%: Faroe Islands (FO)
- 0%: United Kingdom (GB)
- 0%: Georgia (GE)
- 0%: Ghana (GH)
- 0%: Israel (IL)
- 0%: Jordan (JO)
- 0%: Japan (JP)
- 0%: Kenya (KE)
- 0%: South Korea (KR)
- 0%: Lebanon (LB)
- 0%: Morocco (MA)
- 0%: Moldova (MD)
- 0%: Montenegro (ME)
- 0%: North Macedonia (MK)
- 0%: Mexico (MX)
- 0%: New Zealand (NZ)
- 0%: Peru (PE)
- 0%: Papua New Guinea (PG)
- 0%: Palestine (PS)
- 0%: Solomon Islands (SB)
- 0%: Singapore (SG)
- 0%: Syria (SY)
- 0%: Tunisia (TN)
- 0%: Türkiye (TR)
- 0%: Ukraine (UA)
- 0%: United States (US)
- 0%: Vietnam (VN)
- 0%: Samoa (WS)
- 0%: a group of origins (TARIC area XC) (XC)
- 0%: Kosovo (XK)
- 0%: a group of origins (TARIC area XL) (XL)
- 0%: Serbia (XS)
- 0%: South Africa (ZA)
- 5.2%: Mercosur (5500)

## Import VAT and de minimis in the European Union

The European Union charges VAT on imports at a standard rate of 21%.

From 1 July 2026 until 1 July 2028, consignments sold to buyers in the European Union worth up to €150 pay a flat customs duty of €3 per tariff classification in the consignment instead of the tariff rate. Import tax is charged whatever the value.

## In other countries

National tariff lines under 2933.69 are live on border.bot for the United States (7 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/293369): 7 lines, used by 1 other country
- [The Harmonized System text for 2933.69](https://border.bot/hs-codes/293369)

## Other lines under 2933.69

- [2933 69 10 00](https://border.bot/countries/european-union/hs-codes/2933691000) Atrazine (ISO); propazine (ISO); simazine (ISO); hexahydro-1,3,5-trinitro-1,3,5-triazine (hexogen, trimethylenetrinitramine)
- [2933 69 40 00](https://border.bot/countries/european-union/hs-codes/2933694000) Methenamine (INN) (hexamethylenetetramine); 2,6-di-tert-butyl-4-[4,6-bis(octylthio)-1,3,5-triazin-2-ylamino]phenol
- [2933 69 80 13](https://border.bot/countries/european-union/hs-codes/2933698013) Metribuzin (ISO) (CAS RN 21087-64-9) with a purity by weight of 93 % or more
- [2933 69 80 15](https://border.bot/countries/european-union/hs-codes/2933698015) 2-Chloro-4,6-dimethoxy-1,3,5-triazine (CAS RN 3140-73-6)
- [2933 69 80 17](https://border.bot/countries/european-union/hs-codes/2933698017) Benzoguanamine (CAS RN 91-76-9)
- [2933 69 80 23](https://border.bot/countries/european-union/hs-codes/2933698023) 1,3,5-tris(2,3-dibromopropyl)-1,3,5-triazinane-2,4,6-trione (CAS RN 52434-90-9)
- [2933 69 80 27](https://border.bot/countries/european-union/hs-codes/2933698027) Troclosene sodium dihydrate (INNM) (CAS RN 51580-86-0)
- [2933 69 80 30](https://border.bot/countries/european-union/hs-codes/2933698030) 1,3,5-Tris[3-(dimethylamino)propyl]hexahydro-1,3,5-triazine (CAS RN 15875-13-5)
- [2933 69 80 33](https://border.bot/countries/european-union/hs-codes/2933698033) 2,4,6-Trichloro-1,3,5-triazine (CAS RN 108-77-0) with a purity by weight of 99 % or more
- [2933 69 80 38](https://border.bot/countries/european-union/hs-codes/2933698038) Tris({[1,1'-biphenyl]-4-yl})-1,3,5-triazine (CAS RN 31274-51-8) with a purity by weight of 97 % or more
- [2933 69 80 40](https://border.bot/countries/european-union/hs-codes/2933698040) Troclosene sodium (INNM) (CAS RN 2893-78-9)
- [2933 69 80 43](https://border.bot/countries/european-union/hs-codes/2933698043) 4-(4,6-Bis((biphenyl-4-yl)-1,3,5-triazine-2-yl)-1,3-benzodiole (CAS RN 182918-16-7) with a purity by weight of 96 % or more
- [2933 69 80 48](https://border.bot/countries/european-union/hs-codes/2933698048) 2-(4,6-Bis-(2,4-dimethylphenyl)-1,3,5-triazin-2-yl)-5-(octyloxy)-phenol (CAS RN 2725-22-6) with a purity by weight of 98 % or more
- [2933 69 80 55](https://border.bot/countries/european-union/hs-codes/2933698055) Terbutryn (ISO) (CAS RN 886-50-0) for use as a raw material for the production of technical preservatives, in other sectors than for pesticides
- [2933 69 80 60](https://border.bot/countries/european-union/hs-codes/2933698060) Cyanuric acid (CAS RN 108-80-5)
- [2933 69 80 65](https://border.bot/countries/european-union/hs-codes/2933698065) 1,3,5-Triazine-2,4,6(1H,3H,5H)-trithione, trisodium salt (CAS RN 17766-26-6)
- [2933 69 80 75](https://border.bot/countries/european-union/hs-codes/2933698075) Metamitron (ISO) (CAS RN 41394-05-2)
- [2933 69 80 80](https://border.bot/countries/european-union/hs-codes/2933698080) Tris(2-hydroxyethyl)-1,3,5-triazinetrione (CAS RN 839-90-7)
- [2933 69 80 90](https://border.bot/countries/european-union/hs-codes/2933698090) Other

- Previous line: [2933 69 80 65](https://border.bot/countries/european-union/hs-codes/2933698065) 1,3,5-Triazine-2,4,6(1H,3H,5H)-trithione, trisodium salt (CAS RN 17766-26-6)
- Next line: [2933 69 80 75](https://border.bot/countries/european-union/hs-codes/2933698075) Metamitron (ISO) (CAS RN 41394-05-2)

## Frequently asked questions

### What does tariff line 2933 69 80 70 cover in the European Union tariff?

In the European Union tariff, line 2933 69 80 70 covers compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, trichloroisocyanuric acid, also referred to as ‘symclosene’ under the international non-proprietary name (INN).

### Which preferential rates apply to 2933 69 80 70?

Duty-free entry applies to goods that qualify under 5 programmes: EU-Switzerland agreement: re-imported goods, Preferential origin in accordance with the Agreement in the form of an Exchange of Letters between the European Union and the Kingdom of Morocco on the amendment of Protocols 1 and 4 to the Euro-Mediterranean Agreement establishing an association between the European Communities and their Member St…, EEA - European Economic Area, a group of origins (TARIC area XC) and a group of origins (TARIC area XL), and to goods from CARIFORUM, the Eastern and Southern Africa States, SADC EPA, GSP-EBA (Special arrangement for the least-developed countries - Everything But Arms), GSP - General arrangements, GSP+ (incentive arrangement for sustainable development and good governance), OCTs (Overseas Countries and Territories), Central America, Andorra, Albania, Bosnia and Herzegovina, Canada, Switzerland, Côte d'Ivoire, Chile, Cameroon, Colombia, Algeria, Ecuador, Egypt, Fiji, the Faroe Islands, the United Kingdom, Georgia, Ghana, Israel, Jordan, Japan, Kenya, South Korea, Lebanon, Morocco, Moldova, Montenegro, North Macedonia, Mexico, New Zealand, Peru, Papua New Guinea, Palestine, the Solomon Islands, Singapore, Syria, Tunisia, Türkiye, Ukraine, the United States, Vietnam, Samoa, Kosovo, Serbia and South Africa. A preferential rate of 5.2% applies to goods from Mercosur.

## Sources and updates

The tariff lines for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The duty rates for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The trade programmes for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The import taxes for the European Union come from border.bot release 1, imported from a file, and have been live since 9 October 2026.

The de minimis thresholds for the European Union come from border.bot release 2, entered by border.bot, and have been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://circabc.europa.eu/sd/a/9e277705-ac42-441d-8580-90cd730d9bc6/Geographical%20areas%20composition.xlsx
- https://circabc.europa.eu/sd/a/bfb94607-8b4c-40c3-ad33-1efef11bb80a/Duties%20Import%2001-99.xlsx
- https://circabc.europa.eu/sd/a/4b3c682c-947c-4f34-932d-0b8d192537bd/Measure%20exclusions.xlsx
- https://circabc.europa.eu/sd/a/13694f84-6980-4966-8c91-22459447b52b/Nomenclature%20EN.xlsx

Machine-readable: https://border.bot/countries/european-union/hs-codes/2933698070.json