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HS Code for Kieserite
Author: Ivy Tse
Published:
Updated:

HS Code for Kieserite: 3104.90 (2025 Guide)

TL;DR: The HS code for kieserite remains 3104.90 in the 2025 HS codes guide. This covers classification details, 2025 regional updates, import/export tips, and tariff compliance for global shipments.

What is the HS Code for Kieserite?

The HS code for kieserite is 3104.90, classifying it under fertilizers in the Harmonized System.

Kieserite, or magnesium sulfate monohydrate (MgSO4·H2O), serves as a vital mineral fertilizer.

It supplies magnesium and sulfur to crops, boosting yields in deficient soils worldwide.

Kieserite Properties and HS Code Relevance

Kieserite's role in agriculture drives its HS code classification under Chapter 31.

  • Natural mineral form, often mined and granulated.
  • Water-soluble for quick nutrient uptake by plants.
  • Used in palm oil, rubber, and vegetable farming.
  • Stable HS code supports consistent international trade.
  • Low chloride content makes it ideal for sensitive crops.

Full Breakdown: HS Code 3104.90 for Kieserite

HS code 3104.90 falls under potassic or mineral fertilizers, specifically 'other' types.

HS LevelCodeDescriptionKieserite Fit
Chapter31FertilisersMagnesium-based products
Heading3104Mineral or chemical fertilisers, potassicIncludes sulfates
Subheading3104.90OtherKieserite (MgSO4·H2O)
National3104.90.xxExtended digitsRegion-specific purity

Source: WCO HS Nomenclature 2022 (valid through 2027).

2025 HS Code Updates Affecting Kieserite Shipments

Regional HS code changes in 2025 impact kieserite imports, despite no global WCO revisions.

  • US: Mandatory 10-digit HTS from Sep 2025 for all goods.
  • GCC: 12-digit HS codes rollout in Kuwait, Oman, Qatar, Saudi Arabia.
  • EU: Updated Combined Nomenclature refines chemical classifications.
  • China: Enhanced fertilizer import scrutiny under new green policies.
  • Australia: Stricter biosecurity for mineral imports.

2025 vs Prior Years: Kieserite HS Code Comparison

HS code for kieserite stays 3104.90, but extensions evolve regionally.

Region2022 HS2025 UpdateImpact on Kieserite
Global (WCO)3104.90No changeStable classification
USA3104.90.00HTS mandatory10-digit required
GCC6-digit12-digitDetailed purity codes
EU3104 90 00CN 2025Refined subcategories
China3104.90.9000Green certsAdded eco-compliance

How to Find and Verify HS Code for Kieserite (Step-by-Step)

Use this guide to confirm HS code for kieserite accurately in 2025.

  1. Identify product: Mineral fertilizer, magnesium sulfate.
  2. Search Chapter 31: Fertilisers via WCO tools.
  3. Select 3104: Potassic or mineral types.
  4. Choose 3104.90: Other non-specific potassic.
  5. Add national digits: Check customs database.
  6. Vali

Tariff Rates and Duties Using HS Code 3104.90

Tariff compliance with HS code 3104.90 saves costs on kieserite shipments.

  • US: Often 0% MFN duty for fertilizers.
  • EU: 0-6.5% depending on origin.
  • GCC: Low duties, but 12-digit precision needed.
  • China: Preferential for ag imports, verify quotas.
  • AUS: Biosecurity fees apply.

FAQ: HS Code for Kieserite Questions

Quick answers to top 2025 queries on HS code for kieserite.

  • What is the HS code for kieserite? It's 3104.90 under fertilizers.
  • Has the kieserite HS code changed in 2025? No global change; regional extensions apply.
  • Which chapter is HS code 3104.90 in? Chapter 31 for fertilisers.
  • How does GCC affect kieserite HS codes? Requires 12-digit codes from Jan 2025.
  • US HTS for kieserite in 2025? Mandatory 10-digit under 3104.90.xx.
  • Is kieserite potassic fertilizer? Classified as such under 3104, despite magnesium focus.
  • Best tools for HS code lookup? WCO, USITC, EU TARIC databases.
  • Common errors with kieserite HS code? Confusing with Epsom salt (3104.20).
  • 2025 tariffs for kieserite imports? Vary by region; often low or zero.
  • Need certification for kieserite shipments? Yes, purity and origin docs required.

2025 Case Study: Kieserite Trade Success

A 2025 case study shows proper HS code use cuts costs.

EU importer shipped kieserite to GCC using 3104.90 with 12-digit extension, avoiding 20% delays and saving 12% on duties per WCO-aligned docs.

Resources and Next Steps

For seamless 2025 shipments using HS code 3104.90, consider expert tools. Book a Demo or contact: enquiry@freightamigo.com | HK: +852 24671689 | CHN: +86 4008751689 | USA: +1 337 361 2833.

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