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HS Code for 4-Hydroxybenzoic Acid
Author: Ivy Tse
Published:
Updated:

HS Code for 4-Hydroxybenzoic Acid

TL;DR: The HS code for 4-Hydroxybenzoic Acid is 2918.29 in 2025. This guide covers classification, 2025 updates, uses, and compliance steps for importers and e-commerce shippers worldwide.

What is the HS Code for 4-Hydroxybenzoic Acid?

The **HS code for 4-Hydroxybenzoic Acid remains 2918.29** in the 2025 Harmonized System nomenclature.

This 6-digit code classifies it under Chapter 29 for organic chemicals.

Importers rely on this for accurate tariff calculations and customs clearance.

  • HS Code: 2918.29 - Other carboxylic acids with phenol function but without other oxygen function
  • Chapter: 29 - Organic chemicals
  • Heading: 2918 - Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
  • Subheading: 2918.29 - Other

Chemical Properties of 4-Hydroxybenzoic Acid

**4-Hydroxybenzoic Acid (C7H6O3) is a white crystalline powder** used globally in various industries.

Molecular weight: 138.12 g/mol; melting point: 214-217°C.

It serves as a key intermediate in organic synthesis.

  • Preservative in cosmetics and food
  • Raw material for parabens
  • Pharmaceutical building block
  • Polymer production aid

HS Code Hierarchy for 4-Hydroxybenzoic Acid 2025

**The HS code structure for 2025 follows the standard WCO format** for precise classification.

  1. Chapter 29: Organic chemicals
  2. Heading 2918: Carboxylic acids with oxygen function
  3. Subheading 2918.29: Other carboxylic acids with phenol function
  4. National extensions: 8-12 digits for tariffs

Always check regional customs for extensions beyond 6 digits.

2025 HS Code Updates for Organic Chemicals

**2025 introduces regional HS code changes** affecting chemical imports like 2918.29.

No global WCO revision until 2027, but national updates apply.

Region2025 HS ChangeImpact on 2918.29
USAHTS mandatory for all shipments (Sep 2025)Full 10-digit declarations required
GCC Countries12-digit HS implementation (Jan 2025)Chemicals need precise extensions
EUCombined Nomenclature 2025Enhanced chemical subheadings
ChinaCustoms tariff adjustmentsStricter purity documentation

4-Hydroxybenzoic Acid Uses in Global Trade

**Key applications drive demand for accurate HS code classification** in 2025.

  • Cosmetics: Paraben esters for preservation
  • Pharma: Intermediate for drugs like salicylic acid derivatives
  • Food industry: Antimicrobial agent
  • Industrial: Liquid crystal polymers
  • Research: Biochemical studies

How to Find HS Code for 4-Hydroxybenzoic Acid: Step-by-Step

**Use this proven process to determine the HS code for 4-Hydroxybenzoic Acid** and avoid errors.

  1. Identify chemical structure (C7H6O3, phenolic carboxylic acid)
  2. Locate Chapter 29 in HS nomenclature
  3. Select heading 2918 for oxygen-function carboxylic acids
  4. Confirm 2918.29 as 'other' subheading
  5. Apply country-specific digits and verify with customs

This method ensures 2025 compliance.

Common Misclassifications of Chemical HS Codes

**Avoid pitfalls in HS code selection for chemicals like 2918.29** to prevent delays.

  • Confusing with 2918.19 (saturated acyclic acids)
  • Ignoring purity levels affecting subheadings
  • Missing regional 10/12-digit requirements
  • Overlooking dual-use chemical regulations
  • Failing to update for 2025 national changes

Import Duties and Tariffs Using HS Code 2918.29

**Tariff rates vary by country for HS code 2918.29**; check official schedules.

RegionTypical MFN Duty 2025Notes
USA3.7%HTS 2918.29.2000
EU0-6.5%CN code dependent
China5.5%Subject to VAT
India7.5%Customs notifications apply

Rates subject to trade agreements.

Frequently Asked Questions

HS Code for 4-Hydroxybenzoic Acid FAQs - Quick answers for 2025 compliance.

Q: What is the exact HS code for 4-Hydroxybenzoic Acid? A: It's 2918.29 under Chapter 29 for organic chemicals.

Q: Has the HS code for 4-Hydroxybenzoic Acid changed in 2025? A: No WCO change; stable at 2918.29 but verify regional extensions.

Q: Where does 4-Hydroxybenzoic Acid fall in HS nomenclature? A: Chapter 29, Heading 2918, Subheading 2918.29.

Q: Does purity affect the HS code for this chemical? A: Generally 2918.29; impurities may require notes review.

Q: What are 2025 GCC HS code changes for chemicals? A: 12-digit codes mandatory from January 1, 2025.

Q: How to confirm HS code 2918.29 for customs? A: Use WCO database and national tariff schedules.

Q: What industries import under HS 2918.29? A: Cosmetics, pharma, food preservation, and polymers.

Q: Are there US tariff changes for 2918.29 in 2025? A: HTS required for all shipments post-September 2025.

Q: Can 4-Hydroxybenzoic Acid have multiple HS codes? A: Primarily 2918.29; depends on form and purity.

Q: Where to check official 2025 HS codes? A: WCO website or your country's customs

Resources for HS Code Compliance

For seamless shipping with correct HS codes, Book a Demo. Contact: HKG +852 24671689 / +852 23194879, CHN +86 4008751689, USA +1 337 361 2833, GBR +44 808 189 0136, AUS +61 180002752, Email: enquiry@freightamigo.com.

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