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HS Code for Zinc sulfate
Author: Ivy Tse
Published:
Updated:

HS Code for Zinc Sulfate: 2833.29 (2025 Guide)

TL;DR: The HS code for zinc sulfate is 2833.29 in 2025, unchanged despite regional updates like US de minimis changes and GCC 12-digit extensions. This guide covers classification, uses, and compliance tips for smooth international shipping.

What Is the HS Code for Zinc Sulfate in 2025?

HS codes classify goods for global trade under World Customs Organization standards. Zinc sulfate falls under 2833.29.

  • 6-digit international base for uniformity
  • Extended to 8-12 digits by countries
  • Updated every few years; stable through 2025
  • Essential for duties, tariffs, and customs clearance
  • Chapter 28 covers inorganic chemicals like sulfates

Properties and Common Uses of Zinc Sulfate

Zinc sulfate (ZnSO4) serves key roles in agriculture, medicine, and industry.

  • Agriculture: Corrects zinc deficiencies in crops like corn and rice
  • Medicine: Used in supplements and eye drops
  • Industry: Water treatment and rayon production
  • Forms: Heptahydrate (ZnSO4·7H2O), monohydrate
  • 2025 trend: Rising demand in organic farming

Breaking Down HS Code 2833.29 for Zinc Sulfate

HS code 2833.29 specifically covers 'other sulfates' including zinc sulfate.

HS LevelCodeDescription
Chapter28Inorganic chemicals; organic/inorganic compounds
Heading2833Sulfates; alums
Subheading2833.29Other sulfates (e.g., zinc sulfate)
Example Extension2833.29.10US HTS for pure zinc sulfate

Verify via official WCO resources for 2025 accuracy.

2025 Regional HS Code Changes Affecting Zinc Sulfate Shipments

Several 2025 updates impact HS code declarations for chemicals like zinc sulfate.

Region2025 ChangeEffective DateImpact on Zinc Sulfate (2833.29)
USADe minimis threshold endsAug 29All shipments require full HS code
GCC12-digit HS codes mandatoryJan 1Extend 2833.29 with local digits
EUCombined Nomenclature updateJan 1Refined sulfate subheadings
ChinaEnhanced chemical declarationsOngoingPurity specs for 2833.29

How to Find and Classify HS Code for Zinc Sulfate in 2025

Use this step-by-step process for accurate zinc sulfate HS code classification.

  1. Identify chemical: Confirm ZnSO4 composition and purity
  2. Determine form: Anhydrous, monohydrate, or heptahydrate
  3. Match to 2833.29: Check WCO nomenclature
  4. Add country extensions: E.g., 2833.29.2000 for US HTS
  5. Vali
  6. Document: Include on commercial invoice and labels

Common Classification Challenges for Zinc Sulfate HS Code

Misclassification risks delays and fines for zinc sulfate shipments.

  • Purity levels: Impure mixes may shift to other codes
  • Hydration forms: Heptahydrate vs. monohydrate distinctions
  • Mixtures: Fertilizer blends often reclassified
  • Regional variations: EU vs. US tariff schedules differ
  • 2025 e-commerce rules: Low-value parcels now need full HS codes

Best Shipping Practices for Zinc Sulfate Using HS Code 2833.29

Ensure compliance and safety when shipping zinc sulfate internationally.

  • Label clearly with HS code 2833.29 and UN number
  • Use moisture-resistant, UN-approved packaging
  • Include Safety Data Sheet (SDS)
  • Declare accurately on customs forms
  • Opt for insured freight for high-value loads

HS Code for Zinc Sulfate FAQ (2025 Updates)

What is the exact HS code for zinc sulfate in 2025?
2833.29 covers zinc sulfate as other sulfates in Chapter 28.
Has the zinc sulfate HS code changed in 2025?
No, it remains 2833.29 globally, though regional extensions apply.
What is the US HTS code for zinc sulfate?
2833.29.1000 for most forms under 2025 HTS schedule.
Does zinc sulfate heptahydrate have a different HS code?
No, all hydration forms fall under 2833.29.
How do 2025 US de minimis changes affect zinc sulfate shipments?
All imports now require HS code declaration regardless of value.
What documents need the zinc sulfate HS code?
Commercial invoice, packing list, and customs declaration.
Is zinc sulfate hazardous for HS code purposes?
Typically non-hazardous under 2833.29 but check SDS.
How to verify HS code for zinc sulfate mixtures?
Consult WCO explanatory notes if purity drops below 99%.
What are GCC 12-digit HS codes for zinc sulfate?
Extend 2833.29 with local tariff digits starting Jan 2025.
Where to check official 2025 HS codes for zinc sulfate?
Use WCO website or national customs portals.

Resources for HS Code Compliance

For expert help with HS code classification and freight, Book a Demo. Contact: HKG +852 24671689 | CHN +86 4008751689 | USA +1 337 361 2833 | enquiry@freightamigo.com.

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