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29012900
ORGANIC CHEMICALS›Węglowodory alifatyczne

Other

Standard EU duty
0%
VAT
23%
Additional duties / sanctions
0 rules
Docs required
37 docs
7P237P24C669C670C672Y923+31
Preferences
ERGA OMNES 0%ERGA OMNES 0%CARI 0%CI 0%CM 0%EBA 0%ESA 0%FJ 0%GB 0%GE 0%GH 0%JO 0%KE 0%LOMB 0%MD 0%PG 0%SADC EPA 0%SB 0%SM 0%WS 0%XC 0%XL 0%
Notes
TM5101. Customs duties shall be suspended in respect of goods intended for incorporation in the ships, boats or other vessels classified at the following CN codes 8901 10 10; 8901 20 10; 8901 30 10; 8901 90 10; 8902 00 10; 8903 91 10; 8903 92 10; 8904 00 10; 8904 00 91; 8905 10 10; 8905 90 10; 8906 10 00; 8906 90 10 for the purposes of their construction, repair, maintenance or conversion, and in respect of goods intended for fitting to or equipping such ships, boats or other vessels.2. Customs duties shall be suspended in respect of:(a) goods intended for incorporation in drilling or production platforms:(1) fixed, of subheading ex 8430 49, operating in or outside the territorial sea of Member States, or(2) floating or submersible, of subheading 8905 20, for the purposes of their construction, repair, maintenance or conversion, and in respect of goods intended for equipping the said platforms.(b) tubes, pipes, cables and their connection pieces, linking these drilling or production platforms to the mainland.
EU003According to The Special Provisions of Section II (A) (3) of the Preliminary Provisions of the Combined Nomenclature the suspension of customs duties for goods for certain categories of ships, boats and other vessels and for drilling or production platforms shall be subject to conditions laid down in the relevant provisions of the European Union with a view to customs control of the use of such goods.
4

Binding Tariff Information

BTI classification examples

SKgold7/25/423

Acetylene gas for oxy-fuel welding

linenGRI 1GRI 6
DEgold379/25-1

1-Decene, acyclic hydrocarbon

1-Decen (węglowodór acykliczny)GRI 1GRI 6
DEgold207/25-1

Squalane - saturated acyclic hydrocarbon

linenGRI 1GRI 6
DEgold963/25-1

Squalane - saturated acyclic hydrocarbon

squalan (węglowodór acykliczny)GRI 1GRI 6

BTI (Binding Tariff Information) is an official EU customs decision confirming the classification of goods. Valid for 3 years, binding across all EU member states.

Classification scope and key substances

CN code 290129 covers other unsaturated acyclic hydrocarbons not included in subheading 290121 (ethylene) or 290122 (propylene). Principal products classified here include 1,3-butadiene, isoprene, acetylene and higher alkynes and alkenes in chemically pure form. As throughout Chapter 29, classification requires a chemically defined compound – technical C4 fractions from refinery operations containing mixed butenes and butadiene are classified in Chapter 27. Butadiene is a key monomer for SBR and NBR synthetic rubber, while isoprene is the monomer for polyisoprene rubber. Importers must provide adequate chemical purity documentation, such as a GC certificate specifying purity above 99 percent, to support the Chapter 29 classification.

REACH, CLP, SVHC status and safety requirements

Unsaturated acyclic hydrocarbons under CN 290129 are fully subject to REACH registration requirements. 1,3-Butadiene is listed as a Substance of Very High Concern (SVHC) due to its classification as a category 1A carcinogen and is included in Annex XIV to REACH, which means its use in the EU requires authorisation from the European Commission. Importers and downstream users must hold a valid authorisation or operate under a covered use. All substances require CLP-compliant labelling and a current SDS in the official language of the member state of destination. Extremely flammable substances require compliance with ADR/RID transport regulations and ATEX directives for storage facilities.

Export controls, trade preferences and customs practice

Customs declarations for CN 290129 goods must include the CAS number, degree of chemical purity and REACH registration number or OR reference. Export of butadiene and acetylene to certain destinations may require a licence under Regulation (EU) 2021/821 on dual-use goods controls, particularly where end-use concerns arise. Isoprene and selected alkynes may be relevant to Regulation (EU) 2019/1148 on explosives precursors – operators should verify applicable obligations. Preferential customs duty rates may be available under EU free trade agreements or the Generalised Scheme of Preferences for qualifying countries of origin. The TARIC database provides the definitive reference for applicable duties, restrictions and preferences at the time of import.

Chemical safety and SDS requirements

Organic substances under CN code 2901 29 (Unsaturated acyclic hydrocarbons) require detailed chemical documentation for customs clearance. The Safety Data Sheet must comply with REACH Annex II. Substances classified as hazardous under CLP require GHS pictogram labelling. Transport follows ADR (road) or IMDG (maritime) regulations. Some organic substances may be subject to export controls as dual-use goods. Importers should verify whether the substance requires REACH authorisation (Annex XIV) or is subject to restrictions (Annex XVII).

Frequently asked questions

Does importing 1,3-butadiene into the EU require REACH authorisation?
Yes. 1,3-Butadiene is listed in Annex XIV to REACH as a substance subject to authorisation because of its carcinogenicity (category 1A). Any use within the EU, including use following import, requires a valid authorisation granted by the European Commission, unless the substance is used in an exempted application or in a quantity below the threshold set in the authorisation decision.
How do I distinguish C4 fraction classified in Chapter 27 from butadiene under CN 290129?
The decisive criterion is chemical purity. Mixed C4 fractions from refinery operations, containing varying proportions of butane, butenes and butadiene, are classified in Chapter 27. CN 290129 applies only to chemically pure, defined compounds such as 1,3-butadiene with documented purity, typically above 99 percent confirmed by GC analysis, meeting the requirements of Note 1 to Chapter 29.
What language must the SDS for isoprene be in when supplied to a customer in Germany?
The Safety Data Sheet must be provided in German in accordance with Regulation (EU) 2020/878 and Article 31 of REACH, which requires the SDS to be in the official language of the member state where the substance or mixture is placed on the market. The SDS must cover all 16 sections, and relevant exposure scenarios must be attached as an annex where extended SDS format applies.
How to classify Unsaturated acyclic hydrocarbons in customs tariff 2901 29?
Classification of Unsaturated acyclic hydrocarbons under CN code 2901 29 is based on chemical structure and functional groups. If in doubt, you can apply for a Binding Tariff Information (BTI) from the national customs authority.

Useful tools & resources

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Related glossary terms
Customs DutyCustoms ValueMFN Rate