HS Code for Pyridine: 2025 Complete Guide
TL;DR: Pyridine HS Code 2025 Key Facts
- HS Code for Pyridine: 2933.31 (unchanged in 2025)
- Applies to: Pyridine and its salts globally
- Chapter: 29 - Organic chemicals
- Critical for: Pharma, agrochemical exports/imports
- 2025 Tip: Check country-specific tariff updates
What is the Exact HS Code for Pyridine in 2025?
The HS code for pyridine is 2933.31 worldwide in 2025. This code covers pyridine (C5H5N) and its salts under HS Chapter 29.
- 29: Organic chemicals
- 2933: Heterocyclic compounds with nitrogen
- 2933.31: Pyridine and its salts
No WCO revisions affect this code until 2027, but national updates apply.
HS Code Breakdown: Pyridine Classification Details
Understanding the full HS code structure ensures accurate customs clearance.
| HS Level | Code | Description |
| Heading | 29 | Organic chemicals |
| Subheading | 2933 | Heterocyclic N compounds |
| Tariff Item | 2933.31 | HS code for pyridine and salts |
Use 8-10 digit national codes for precise duties.
How to Find HS Code for Pyridine Derivatives in 2025
Pyridine salts and derivatives fall under 2933.31 unless specified otherwise.
- Check product purity and form (pure pyridine vs. mixtures)
- Consult WCO HS Explanatory Notes for pyridine
- Verify with national customs database (e.g., US HTS, EU TARIC)
- Use digital HS lookup tools for 2025 updates
- Classify salts separately if chemically distinct
2025 national changes: EU added subheadings for pyridine in pharma intermediates.
Pyridine HS Code Applications Across Industries
The HS code for pyridine supports key sectors with specific trade needs.
- Pharmaceuticals: Solvent in drug synthesis (high-volume imports)
- Agrochemicals: Pesticide intermediate (seasonal peaks)
- Polymers: Rubber accelerator production
- Textiles: Dye manufacturing
- Flavors/fragrances: Low-volume specialty shipments
Global trade volume: 50,000+ MT annually under 2933.31.
2025 Tariff Rates Using Pyridine HS Code 2933.31
Tariffs vary by destination; plan with HS code for pyridine upfront.
| Region | MFN Tariff 2025 | Notes |
| EU | 0-6.5% | REACH compliance required |
| USA | 3.7% | TSCA registration |
| China | 2-5% | CCC certification |
| India | 7.5% | Anti-dumping duties possible |
Source: WTO 2025 tariff data.
How to Classify Pyridine Mixtures Under HS Code
Mixed products may shift from pure pyridine HS code 2933.31.
- Pyridine >50%: Use 2933.31
- Solutions: Chapter 38 mixtures
- Derivatives: 2933.39 (other pyridines)
- Check principal use rule
- 2025 Up
Avoid misclassification penalties averaging $10K per shipment.
Common Errors with Pyridine HS Code and Fixes
HS code for pyridine errors delay 20% of chemical shipments.
- Wrong chapter: Confusing with Chapter 28 inorganics
- Ignoring salt specifications
- Outdated 2022 codes (no 2025 changes but verify)
- National digit mismatch
- Hazardous goods override
Fix: Pre-clear with customs binding ruling.
Resources: Tools for HS Code for Pyridine Lookup
Leverage free tools for instant 2025 HS code verification.
- WCO HS Database (official nomenclature)
- National customs portals
- Trade.gov HS classifier
- EU Access2Markets
- FreightAmigo demo for automated checks: Book a Demo
FAQs: HS Code for Pyridine 2025
What is the HS code for pyridine?
2933.31 for pyridine and its salts.
Has the pyridine HS code changed in 2025?
No major WCO changes; stable at 2933.31.
Where does HS code 2933.31 fit in the system?
Chapter 29, heading 2933 - nitrogen heterocyclics.
Do pyridine derivatives use the same HS code?
Often yes, but check 2933.39 for specifics.
What tariffs apply to HS code for pyridine imports?
0-7.5% MFN depending on destination country.
Is pyridine hazardous under its HS code?
Yes, UN 1282; requires IMDG/IATA compliance.
How to confirm national HS code for pyridine?
Use official customs database for 8-10 digits.
What's new for pyridine HS code in 2025?
National subheadings for pharma/agro uses.
Can I ship pyridine mixtures under 2933.31?
Only if pyridine is principal component.
Where to get HS code help for chemicals?
Contact enquiry@freightamigo.com or call +852 24671689.
Conclusion: Master HS Code for Pyridine Trade
With HS code 2933.31 stable through 2025, focus on compliance and accurate classification for seamless global trade. For complex shipments, Book a Demo with FreightAmigo.
Contact: enquiry@freightamigo.com | HK: +852 24671689 | CN: +86 4008751689 | USA: +1 337 361 2833