Ethyl 4-Phenylbutyrate
Ethyl ester of 4-phenylbutyric acid, specifically classified with the parent aromatic butanoic acid under HTS 2915.60.10.00 per Chapter 29 note (B) for ethyl esters. Common in flavor and fragrance industry as apple-like aroma compound.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in synthetic flavor formulations
Odoriferous mixtures classifiable as food flavorings move to Chapter 33 when prepared for specific end-use.
If as chemical preparation with stabilizers
Products with added stabilizers rendering them suitable for specific use exclude from Chapter 29 per exclusion notes.
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Import Tips & Compliance
• Confirm ethyl ester status for note (B) application; provide FEMA GRAS status for food use declarations; ensure purity >98% to avoid mixture classification
Related Products under HTS 2915.60.10.00
Sodium Phenylbutyrate
Sodium phenylbutyrate is the sodium salt of 4-phenylbutanoic acid, an aromatic saturated acyclic monocarboxylic acid. It falls under HTS 2915.60.10.00 as a salt of an aromatic butanoic acid, fitting Chapter 29 note (C)(1) for inorganic salts of organic acid-function compounds classified with the parent acid. Used primarily in medical treatments for urea cycle disorders.
4-Phenylbutyric Acid
4-Phenylbutyric acid (C6H5(CH2)3COOH) is a saturated acyclic monocarboxylic butanoic acid with an aromatic phenyl substituent. Classified under HTS 2915.60.10.00 as an aromatic derivative of butanoic acid per heading 2915 structure. Used in chemical synthesis and as a histone deacetylase inhibitor.
Methyl 4-Phenylbutyrate
Methyl 4-phenylbutyrate is the methyl ester of 4-phenylbutanoic acid, an aromatic butanoic acid ester. Falls under HTS 2915.60.10.00 per Chapter 29 note classifying esters with the parent acid-function compound occurring last in numerical order. Used as fragrance intermediate and flavoring agent.
Calcium 4-Phenylbutyrate
Calcium salt of 4-phenylbutanoic acid, classified as aromatic butanoic acid salt under HTS 2915.60.10.00 following Chapter 29 note (C)(1). Used in nutritional supplements and pharmaceutical formulations.
4-Phenylbutyryl Chloride
Acid chloride derivative of 4-phenylbutanoic acid, classified with parent aromatic acid under HTS 2915.60.10.00 per Chapter 29 note (E). Reactive intermediate for ester and amide synthesis in organic chemistry.
Isobutyl 4-Phenylbutyrate
Isobutyl ester of aromatic 4-phenylbutyric acid, following parent acid classification in HTS 2915.60.10.00 per Chapter 29 ester rules. Specialty fragrance chemical with fruity odor profile.