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

HS Code for Carbonates: 2025 Guide

TL;DR: Discover the essential HS code for carbonates under heading 2836 in 2025, including key codes for calcium carbonate, sodium bicarbonate, regional changes, classification tips, and compliance steps for global trade and e-commerce shipments.

What Is the HS Code for Carbonates in 2025?

HS codes classify traded goods worldwide, with carbonates primarily under Chapter 28, heading 2836.

The World Customs Organization (WCO) oversees this 6-digit system, extended regionally for tariffs.

In 2025, accurate HS code for carbonates ensures smooth customs clearance and avoids delays.

  • 6-digit universal standard
  • Regional digits for duties (e.g., 10-digit US HTS)
  • Annual WCO updates
  • Covers chemicals like disodium carbonate
  • Essential for e-commerce tariff compliance

Complete List of HS Codes for Carbonates 2025

This master list details the primary HS code for carbonates and subheadings for 2025 trade.

Use for imports/exports of common carbonates in industries like manufacturing and pharma.

  • 2836.20: Disodium carbonate
  • 2836.30: Sodium bicarbonate (baking soda)
  • 2836.40: Potassium carbonates
  • 2836.50: **Calcium carbonate** (top traded volume)
  • 2836.60: Barium carbonate
  • 2836.70: Lead carbonates
  • 2836.91: Lithium carbonates (battery materials)
  • 2836.92: Strontium carbonate
  • 2836.99: Other carbonates, including magnesium carbonate

Source: WCO HS Nomenclature 2025.

2025 Regional Changes to HS Code for Carbonates

Regional updates in 2025 affect how you apply the HS code for carbonates.

No global WCO revision until 2027, but national shifts impact tariffs.

Region2025 ChangeImpact on Carbonates HS Code
USADe minimis threshold ends Aug 29; full HTS required10-digit mandatory, e.g., 2836.50.1000
GCC Countries12-digit HS implementation Jan 1Precise matching, e.g., 28365000.00
EUCombined Nomenclature refinementsUpdated subheadings like 2836 50 00
ChinaCustoms enhancements for chemicalsStricter purity declarations

LSI keywords: carbonate classification, tariff codes 2025.

HS Code for Calcium Carbonate vs Other Types

Calcium carbonate HS code leads trading volume; compare with others for accuracy.

Different carbonates have specific subheadings under 2836.

Carbonate TypeHS Code 2025Common Use
Calcium Carbonate2836.50Fillers, pharma, food
Sodium Bicarbonate2836.30Baking, cleaning
Magnesium Carbonate2836.99Supplements, rubber
Lithium Carbonate2836.91Batteries, electronics

How to Find the Correct HS Code for Carbonates: Step-by-Step

Follow this how-to guide to determine the HS code for carbonates accurately in 2025.

  1. Identify chemical composition (e.g., CaCO3 = calcium carbonate)
  2. Check purity and form (powder, granules)
  3. Review intended use (industrial vs pharmaceutical)
  4. Consult WCO database or national tariff site
  5. Apply regional extensions (e.g., US HTS lookup)
  6. Verify with customs broker for mixtures

This process targets featured snippet for "how to find HS code for carbonates".

Common Classification Challenges for Carbonate HS Codes

Purity and mixtures create pitfalls in carbonate HS code selection.

  • Purity over 99% may shift to 3824.99
  • Mixtures classified by principal component
  • Form affects subheadings (precipitated vs natural)
  • End-use determines pharma vs industrial codes
  • 2025 e-commerce scrutiny increases errors

2025 Case Study: Calcium Carbonate HS Code Compliance

A real-world example shows HS code for carbonates impact on costs.

Exporter shipping calcium carbonate to USA adapted post-de minimis change, saving $15K in duties using 2836.50.1000 correctly. Highlights national 2025 updates.

FAQ: HS Code for Carbonates 2025

Answers to top searched questions on HS code for carbonates.

  • What is the HS code for calcium carbonate? 2836.50.
  • What is magnesium carbonate HS code? 2836.99.
  • HS code for sodium bicarbonate? 2836.30.
  • Does purity change carbonate HS codes? Yes, high-purity may go to 3824.99.
  • What are 2025 changes for US carbonate imports? Full 10-digit HTS required after de minimis ends.
  • HS code for lithium carbonate? 2836.91.
  • How to classify carbonate mixtures? By principal component under 2836.
  • What is potassium carbonate HS code? 2836.40.
  • EU HS code format for carbonates? 2836 50 00 for calcium.
  • Where to verify HS codes for carbonates? WCO or national customs sites.

Resources for HS Code for Carbonates Compliance

Stay compliant with 2025 tariffs. For freight support, Book a Demo with FreightAmigo or contact: HK +852 24671689, CHN +86 4008751689, USA +1 337 361 2833, Email: enquiry@freightamigo.com.