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HS Code for O-phenylenediamine
Author: Ivy Tse
Published:
Updated:

HS Code for O-phenylenediamine 2025

TL;DR: The **HS code for O-phenylenediamine is 2921.51** in the 2025 HS codes guide. Essential updates include GCC 12-digit extensions and US de minimis changes for tariff compliance 2025 in chemical shipments.

What is O-phenylenediamine and Its HS Code?

**O-phenylenediamine is a key organic chemical classified under HS code 2921.51.**

This diamine compound serves as an intermediate in dyes, polymers, and pharmaceuticals.

  • Chapter 29: Organic chemicals.
  • Heading 2921: Amine-function compounds.
  • Subheading 2921.51: O-, m-, p-phenylenediamine and derivatives.
  • Global standard: 6-digit HS code for O-phenylenediamine.
  • 2025 relevance: No WCO changes until 2027, but national tariff compliance 2025 updates apply.

Source: World Customs Organization HS Nomenclature.

Confirming HS Code 2921.51 for O-phenylenediamine in 2025

**HS code 2921.51 precisely covers O-phenylenediamine in 2025 HS codes guide.**

It includes salts and derivatives used in industrial applications.

HS LevelDescription2025 Status
29Organic chemicalsUnchanged
2921Amine-function compoundsUnchanged
2921.51O-phenylenediamine, etc.Valid globally
  • Verify via official WCO HS database.
  • Regional digits: 8-12 for duties.

2025 HS Code Changes Impacting O-phenylenediamine Shipments

**Key 2025 HS code changes affect tariff compliance for chemicals like O-phenylenediamine.**

  • US: De minimis ends Aug 29, 2025—no $800 exemption.
  • GCC: 12-digit HS codes from Jan 1, 2025 (Saudi, UAE, etc.).
  • EU: Combined Nomenclature 2025 refines Chapter 29.
  • USPS: Mandatory HTS codes Sep 1, 2025.
  • China: Enhanced chemical import scrutiny.

These ensure accurate HS 2921.51 declarations.

GCC 12-Digit HS Codes for O-phenylenediamine 2025

**GCC adopts 12-digit HS codes 2025 for precise tariff compliance.**

Affects shipments to Kuwait, Oman, Qatar, Saudi Arabia.

RegionHS ExtensionImpact on 2921.51
GCC12 digitsDetailed chemical tariffs
USA10-digit HTSFull duties post-de minimis
EU8-10 digits CNRefined organic codes
  • Check GCC Customs Union updates.
  • Example: 2921.51.XX.XX.XX for variants.

How to Find HS Code for O-phenylenediamine: 2025 Step-by-Step

**Follow this 2025 how-to guide for accurate HS code lookup.**

  1. Search WCO HS database by chemical name.
  2. Confirm Chapter 29 for organics.
  3. Select 2921.51 for phenylenediamines.
  4. Add regional digits for GCC 12-digit HS codes 2025.
  5. Validate with customs tools or brokers.

Pro tip: Use binding rulings for disputes.

Applications of O-phenylenediamine and Trade Volumes

**O-phenylenediamine powers industries under HS 2921.51.**

  • Dyes and pigments: Azo dye synthesis.
  • Pharmaceuticals: Benzimidazole drugs.
  • Polymers: Epoxy resins curing agent.
  • Agrochemicals: Fungicide intermediates.
  • 2025 trade: Rising demand in Asia-Pacific.

Global exports: ~10,000 tons annually (2025 est.).

Tariff Rates for HS 2921.51 O-phenylenediamine 2025

**Tariff compliance 2025 varies by destination for HS code 2921.51.**

DestinationMFN Duty 2025Notes
USA6.5%Post-de minimis full apply
EU0-6.5%Chemical specifics
GCC5%12-digit precision
China6.5%Import license needed

FAQ: HS Code for O-phenylenediamine 2025

What is the exact HS code for O-phenylenediamine?

HS code 2921.51 covers O-phenylenediamine and its isomers in 2025.

Are there changes to HS 2921.51 in 2025?

No WCO changes until 2027, but regional extensions like GCC 12-digit apply.

How does US de minimis affect O-phenylenediamine shipments?

Ends Aug 29, 2025, requiring full HS 2921.51 declaration and duties.

What are GCC 12-digit HS codes for chemicals?

Extended from 2921.51 for detailed tariffs starting Jan 1, 2025.

Is O-phenylenediamine hazardous for HS classification?

Primarily non-hazardous under HS 2921.51, but check IMDG for transport.

How to verify HS code 2921.51 regionally?

Use WCO tools and local customs portals for 2025 tariff compliance.

What industries use O-phenylenediamine most?

Dyes, pharma, and polymers drive HS 2921.51 trade volumes.

Where to find 2025 HS updates officially?

WCO website and national customs sites provide latest HS codes guide.

Does EU CN 2025 change 2921.51?

Refinements possible; confirm via TARIC database.

Resources for HS Code Compliance

Master HS code for O-phenylenediamine with 2025 updates. For streamlined chemical shipping, consider tools like FreightAmigo Book a Demo.

Contact: enquiry@freightamigo.com | HK: +852 24671689 / +852 23194879 | CHN: +86 4008751689 | USA: +1 337 361 2833 | GBR: +44 808 189 0136 | AUS: +61 180002752 (WhatsApp available).