Propionic acid, its salts and esters
Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. > Esters of acetic acid: > Propionic acid, its salts and esters
Duty Rate (from China)
Products classified under Tariff item 2915.50.00
Ammonium Propionate
Ammonium propionate is the ammonium salt of propionic acid, used as a dough conditioner. Per Chapter 29 note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound. Thus, it falls under tariff item 2915.50.00.
Aromatic Propionic Acid Ester (Ethyl 3-Phenylpropanoate)
Ethyl 3-phenylpropanoate is an aromatic ester of propionic acid where the propyl chain is substituted with a phenyl group. It falls under tariff item 2915.50.00 as an ester of propionic acid. The aromatic substitution does not change the acid base.
Benzyl Propionate
Benzyl propionate is the benzyl ester of propionic acid, used in fruit flavor formulations. As an ester of propionic acid, it falls under tariff item 2915.50.00. The ester classification follows Chapter 29 note 5(A).
Cinnamic Acid Propyl Ester
Propyl cinnamate is an ester derived from cinnamic acid, which is an aromatic propionic acid structure. It is used in cosmetics and perfumes. As an ester of propionic acid, it falls under tariff item 2915.50.00.
Glacial Propionic Acid
Glacial propionic acid is the anhydrous, nearly 100% pure form of propionic acid, a saturated acyclic monocarboxylic acid. It is used in organic synthesis and as a mold inhibitor. As a separate chemically defined organic compound, it falls under tariff item 2915.50.00.
Hydrocinnamic Acid Methyl Ester
Methyl 3-phenylpropanoate, also known as hydrocinnamic acid methyl ester, is an aromatic propionic acid ester used in fragrances. It falls under tariff item 2915.50.00 as an ester of propionic acid. The phenyl group is a substituent on the propionic acid chain.
Isobutyl 3-Phenylpropanoate
Isobutyl 3-phenylpropanoate is an isobutyl ester of 3-phenylpropanoic acid, used in specialty flavors. As an ester of propionic acid, it falls under tariff item 2915.50.00. The aromatic ring is a substituent on the propionic acid chain.
Methyl Hydrocinnamate
Methyl hydrocinnamate is methyl 3-phenylpropanoate, an aromatic propionic acid ester used as an intermediate in aroma chemical synthesis. It falls under tariff item 2915.50.00 as an ester of propionic acid. The phenylpropane chain meets the saturated acyclic definition.
Phenethyl Propionate
Phenethyl propionate is an ester with phenethyl and propionate groups, used in floral fragrances. It falls under tariff item 2915.50.00 as an ester of propionic acid. The aromatic group is a substituent on the alcohol part, not the acid.
Propionic Acid 99% Technical Grade
Propionic acid technical grade at 99% purity is a separate chemically defined organic compound, a saturated acyclic monocarboxylic acid. It is used as a preservative and chemical intermediate. This product falls under tariff item 2915.50.00.
Propionic Acid Feed Grade
Feed-grade propionic acid is formulated for animal feed preservation, inhibiting mold in silage and grains. As a separate chemically defined organic compound, it falls under tariff item 2915.50.00. The product meets Chapter 29 note 1(a) as a pure compound.
Propionic Acid for Vinyl Propionate Production
This specialty propionic acid is used as a raw material for vinyl propionate monomer production. As a chemically defined saturated acyclic monocarboxylic acid, it falls under tariff item 2915.50.00. The product is within Chapter 29 scope.
Propionic Acid Industrial Grade 90%
This is a 90% aqueous solution of propionic acid for industrial uses. Per Chapter 29 note 1(d), propionic acid dissolved in water is covered by the chapter. It falls under tariff item 2915.50.00 as propionic acid.
Propionic Acid USP Grade
USP-grade propionic acid is high-purity propionic acid meeting pharmacopeia standards for pharmaceutical and food applications. As a separate chemically defined organic compound, it falls under tariff item 2915.50.00. It meets Chapter 29 note 1(a).
Sodium Propionate Derived Propionic Acid
This propionic acid is derived from sodium propionate salt conversion. Per Chapter 29 note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound. Thus, the acid falls under tariff item 2915.50.00.