p-Hydroxybenzoic acid
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Other: > p-Hydroxybenzoic acid
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2918.29.22.00
p-Hydroxybenzoic Acid (PHBA)
p-Hydroxybenzoic acid is a chemically defined organic compound with a carboxylic acid group and a phenol function, classified under HTS 2918.29.22.00 as it matches the specific description for this phenolic carboxylic acid without other oxygen functions. It serves as a key intermediate in pharmaceutical and cosmetic synthesis.
4-Hydroxybenzoic Acid USP Grade
USP-grade 4-Hydroxybenzoic acid (synonym for p-Hydroxybenzoic acid) meets pharmaceutical standards for purity, directly classifiable under HTS 2918.29.22.00 as the specified chemically defined compound. Used primarily in drug synthesis and as a preservative precursor.
p-Hydroxybenzoic Acid Technical Grade
Technical grade p-Hydroxybenzoic acid with 98-99% purity is still classified as the separate chemically defined compound under HTS 2918.29.22.00, provided impurities don't alter its chemical identity per Chapter 29 note (a). Commonly used in industrial synthesis of parabens and polymers.
Parabens Precursor p-Hydroxybenzoic Acid
This high-purity p-Hydroxybenzoic acid is marketed specifically as precursor for methylparaben and propylparaben preservatives, but remains classified under HTS 2918.29.22.00 as the base chemically defined acid with phenol function.
p-Hydroxybenzoic Acid Flake Form
p-Hydroxybenzoic acid processed into stable flake form for easier handling and transport qualifies under HTS 2918.29.22.00 as the pure compound with allowed anti-dusting agent per Chapter note (g), without rendering it for specific use.
Industrial p-Hydroxybenzoic Acid 99% Min
Industrial-grade p-Hydroxybenzoic acid at minimum 99% purity is the specified compound of HTS 2918.29.22.00, used in liquid crystal polymer production and as UV absorber intermediate.