Tartaric acid
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. > Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Tartaric acid > Tartaric acid
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2918.12
Diethyl L-Tartrate
Diethyl L-tartrate is the ethyl ester of L-tartaric acid. Under Chapter 29 Note 5(B), esters of ethyl alcohol with acid-function organic compounds are classified in the same heading as the corresponding acid, so this product falls under tariff item 2918.12.00 as tartaric acid. It is used as a chiral auxiliary in organic synthesis.
2918.12.00DL-Tartaric Acid (Racemic)
DL-Tartaric acid is the racemic mixture of D- and L-tartaric acid, a chemically defined organic compound with two hydroxyl groups and two carboxyl groups. Under Chapter 29 Note 1(b), mixtures of isomers of the same organic compound are covered, so it classifies under tariff item 2918.12.00. It is used in pharmaceuticals and as a chiral resolving agent.
2918.12.00D(-)-Tartaric Acid
D(-)-Tartaric acid is the D-enantiomer of tartaric acid, a chemically defined organic compound with the same molecular structure as L-tartaric acid but opposite optical rotation. Under Chapter 29 Note 1(a), separate chemically defined organic compounds are covered, so it classifies under tariff item 2918.12.00. It is used in the resolution of racemic mixtures and specialty synthesis.
2918.12.00Food-Grade Tartaric Acid USP
Food-grade tartaric acid meeting USP standards is a pure, chemically defined compound with two hydroxyl and two carboxyl groups. Under Chapter 29 Note 1(a), it classifies under tariff item 2918.12.00 as tartaric acid. It is widely used as an acidulant in beverages, candies, and other food products.
2918.12.00L(+)-Tartaric Acid
L(+)-Tartaric acid is the naturally occurring enantiomer of tartaric acid, a dicarboxylic acid with two hydroxyl groups. Under Chapter 29 Note 1(a), it is a separate chemically defined organic compound, classifying under tariff item 2918.12.00. It is used in food, pharmaceuticals, and as a chiral building block.
2918.12.00Monohydrate Tartaric Acid Crystals
Tartaric acid monohydrate is a crystalline form of tartaric acid with one water molecule per molecule of tartaric acid. Under Chapter 29 Note 1(d), products dissolved in water are covered, so this hydrate classifies under tariff item 2918.12.00. It is used in effervescent formulations and as a buffer.
2918.12.00Natural Tartaric Acid from Wine Lees
Natural tartaric acid extracted from wine lees is chemically identical to synthetic tartaric acid, with the same molecular structure. Under Chapter 29 Note 1(a), the origin does not affect classification, so it falls under tariff item 2918.12.00. It is preferred for organic certification and natural product applications.
2918.12.00Pharmaceutical Tartaric Acid EP/BP
Pharmaceutical-grade tartaric acid meeting EP/BP standards is a pure, chemically defined compound used as an excipient and pH adjuster in drug formulations. Under Chapter 29 Note 1(a), it classifies under tariff item 2918.12.00. It is used in tablets, syrups, and injectables.
2918.12.00Potassium D-Hydrogen Tartrate
Potassium D-hydrogen tartrate, also known as potassium bitartrate or cream of tartar, is the acid salt of D-tartaric acid. Under Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified in the heading appropriate to the organic compound, so it falls under tariff item 2918.12.00. It is used in baking and food applications.
2918.12.00Tartaric Acid Anhydrous 99.5%
Anhydrous tartaric acid with 99.5% purity is a white crystalline powder with two hydroxyl and two carboxyl groups. Under Chapter 29 Note 1(a), it is a separate chemically defined organic compound, classifying under tariff item 2918.12.00. It is essential in wine stabilization and metal cleaning solutions.
2918.12.00Tartaric Acid for Effervescent Tablets
Tartaric acid for effervescent tablets is a coarse granular form of pure tartaric acid optimized for rapid CO2 release with bicarbonate. Under Chapter 29 Note 1(a), the particle size does not affect classification, so it falls under tariff item 2918.12.00. It is used in effervescent pharmaceutical and food products.
2918.12.00Tartaric Acid for Wine Making
High-purity L-tartaric acid specifically packaged for oenological use in adjusting wine acidity is a pure, chemically defined compound. Under Chapter 29 Note 1(a), the end use does not affect classification, so it falls under tariff item 2918.12.00. It meets OIV standards for food safety.
2918.12.00Tartaric Acid Powder 50 Micron
Tartaric acid powder with 50 micron particle size is an ultra-fine form of pure tartaric acid for spray drying and instant beverages. Under Chapter 29 Note 1(a), micronization does not change the chemical classification, so it falls under tariff item 2918.12.00. It is used in food and beverage applications.
2918.12.00Tartaric Acid Stabilized for Transport
Tartaric acid stabilized for transport contains added stabilizers to prevent decomposition during long sea voyages. Under Chapter 29 Note 1(f), products with added stabilizers necessary for preservation or transport are covered, so it classifies under tariff item 2918.12.00. It is used in bulk industrial applications.
2918.12.00Tartaric Acid Technical Grade 99%
Technical grade tartaric acid at 99% purity is a less refined form used for industrial applications like metal polishing and textiles. Under Chapter 29 Note 1(a), impurities are allowed, so it classifies under tariff item 2918.12.00. It is chemically defined as tartaric acid despite the lower purity.