HS Code for m-Benzenedisulfonic Acid 2025
TL;DR: The HS code for m-Benzenedisulfonic acid is 2904.10 in Chapter 29. This 2025 guide covers classification, updates like US HTS changes and GCC 12-digit shifts, plus compliance tips for global trade.
Accurate HS code classification ensures smooth customs clearance and tariff compliance worldwide. m-Benzenedisulfonic acid, a key sulfonated derivative used in dyes and chemical manufacturing, is classified under HS 2904.10. This 2025 HS code guide details its classification, recent changes, and practical steps for importers and exporters.
What is the HS Code for m-Benzenedisulfonic Acid?
The precise HS code for m-Benzenedisulfonic acid is 2904.10.
- Chapter 29: Organic chemicals
- Heading 2904: Sulfonated, nitrated or nitrosated derivatives of hydrocarbons
- Subheading 2904.10: Derivatives containing only sulfo groups, their salts and ethyl esters
- Full description: Includes 1,3-benzenedisulfonic acid
- Verify using official WCO HS nomenclature
This classification remains stable in 2025, with no WCO revisions until 2027.
HS Code Basics: Understanding 2904.10 in 2025
HS codes are the global standard for tariff classification and trade statistics.
- 6-digit codes set by World Customs Organization (WCO)
- Countries extend to 8-12 digits for national tariffs
- Essential for duties, quotas, and compliance
- Updated biennially; major revisions every 5 years
- 2025 focus: Regional adaptations for chemicals
LSI terms: tariff codes, harmonized system, customs classification.
2025 HS Code Changes Affecting Chemical Imports
Several 2025 updates impact HS 2904.10 shipments globally.
| Region | Key 2025 Change | Impact on HS 2904.10 |
|---|
| USA | De minimis threshold ends Aug 29; mandatory HTS from Sep 1 | All chemical parcels need 10-digit HTS codes |
| GCC Countries | 12-digit HS implementation Jan 1 | Precise subheadings for sulfonated acids required |
| EU | Combined Nomenclature 2025 updates | Enhanced chemical mixture classifications |
| China | National tariff adjustments | Stricter purity documentation for organics |
| Australia | Customs modernization | Digital HS verification mandatory |
These changes emphasize accurate HS code usage for m-Benzenedisulfonic acid imports.
How to Classify m-Benzenedisulfonic Acid HS Code in 2025
Follow this step-by-step process to confirm HS 2904.10 classification.
- Review chemical structure and CAS number (CAS 3696-35-1)
- Locate Chapter 29: Organic chemicals
- Identify Heading 2904: Sulfonated hydrocarbon derivatives
- Select 2904.10: Sulfo groups and salts
- Check national extensions (HTS, TARIC, etc.)
- Consult WCO explanatory notes for confirmation
Use official databases for binding rulings if uncertain.
Related HS Codes for Sulfonic Acids and Derivatives 2025
Common related codes for products containing or derived from m-Benzenedisulfonic acid.
- 2904.10: m-Benzenedisulfonic acid (primary)
- 2904.90: Other sulfonated derivatives
- 3204.11: Synthetic organic dyes (often produced from it)
- 3809.92: Finishing agents with sulfonic groups
- 2929.90: Other nitrogen compounds (salts)
Monitor mixtures, as they may shift classification.
2025 Tariff Compliance Tips for HS 2904.10 Shipments
Proactive strategies prevent delays and penalties in 2025.
- Pre-verify codes using national tariff finders
- Maintain Safety Data Sheets (SDS) with shipments
- Account for GCC 12-digit requirements
- Prepare for US HTS mandatory labeling
- Document purity levels (>98% typically 2904.10)
Common Classification Challenges for Chemical HS Codes
Importers face these frequent HS code pitfalls with sulfonated chemicals.
- Mixtures with solvents shift to Chapter 38
- Salt forms vs. acid forms subtle differences
- Regional variations in subheading application
- Dye intermediates vs. pure chemicals
- 2025 purity threshold changes in Asia
Solution: Obtain advance tariff rulings.
FAQ: HS Code for m-Benzenedisulfonic Acid Questions
Answers to top searched questions about HS 2904.10 in 2025.
What is the exact HS code for m-Benzenedisulfonic acid?
2904.10 under Chapter 29 for organic chemicals containing sulfo groups.
Has the HS code 2904.10 changed in 2025?
No major WCO changes; national extensions updated in GCC and USA.
What are GCC 12-digit HS codes for chemicals 2025?
Mandatory from Jan 1 for precise tariff calculation in Gulf countries.
How do I find HS code for chemical imports?
Match chemical structure to WCO Chapter 29 headings using official databases.
What US HTS changes affect HS 2904.10 in 2025?
Mandatory HTS codes for all parcels after de minimis ends Aug 29.
Is m-Benzenedisulfonic acid classified differently for dyes?
Pure chemical is 2904.10; dye products shift to 3204.
What documents prove HS 2904.10 classification?
Chemical analysis, SDS, and manufacturer specifications required.
When is the next WCO HS code revision?
2027 major update; 2025-2026 focus on national implementations.
Are there duty changes for HS 2904.10 in EU 2025?
Combined Nomenclature updates may affect mixtures and salts.
Resources and 2025 Case Study
A Hong Kong chemical exporter avoided $15K penalties in 2025 digit rollout, enabling seamless UAE shipments.
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Need HS code expertise? Book a Demo. Contact: HKG +852 24671689 | CHN +86 4008751689 | USA +1 337 361 2833 | enquiry@freightamigo.com.
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