New

Ask Wove anything about tariffs.

Try Tariff Assistant

4-Hydroxybenzoic Acid

4-Hydroxybenzoic acid is a phenolic aromatic monocarboxylic acid used as preservative (paraben precursor) in cosmetics. Falls under HTS 2915.90.20.00 for aromatic monocarboxylic acids.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+132.0%137.5%
🇲🇽Mexico5.5%+104.5%110%
🇨🇦Canada5.5%+104.5%110%
🇩🇪GermanyFree+19.5%19.5%
🇯🇵JapanFree+22.0%22%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2918.29.20.00Same rate: 137.5%

If phenolic function principal characteristic

Phenols with carboxy subordinate classify in 2918 per numerical order rule.

3824.99Lower: 17.5% vs 137.5%

If as aqueous preservative solution

Mixtures for specific use fall outside pure chapter 29 compounds.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Prop 65 labeling required for California entry if above trace levels

• Distinguish from ester derivatives (parabens) which classify under 2915.90.50

• Include melting point (214°C) specs for authenticity verification