Salts and esters of 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: > Salts and esters of tartaric acid > Salts and esters of tartaric acid
Duty Rate (from China)
Products classified under Tariff item 2918.13.00.00
Bulk Baking Stabilizer Potassium Bitartrate
Industrial food processing grade cream of tartar in bulk 50lb sacks for meringue production and candy manufacturing. It is a chemically defined potassium salt of tartaric acid, classified under this tariff item.
2918.13.00Bulk Rochelle Salt Dihydrate USP
Pharmaceutical bulk potassium sodium tartrate tetrahydrate (dihydrate formula KNaC4H4O6·4H2O) meeting USP monograph. It is classified under this tariff item as a specifically named Rochelle salt of tartaric acid.
2918.13.00Food-Grade Potassium Bitartrate Powder
Pure potassium bitartrate, commonly known as cream of tartar, is a natural byproduct of winemaking used as a food additive for stabilizing egg whites and preventing sugar crystallization. It is classified under this tariff item as a salt of tartaric acid.
2918.13.00Laboratory Reagent Tartar Emetic
High-purity tartar emetic (potassium antimony tartrate) labeled for laboratory reagent use in analytical procedures. It is a chemically defined salt of tartaric acid, classified under this tariff item as a salt of tartaric acid with alcohol function.
2918.13.00Pharmaceutical Grade Tartar Emetic
Pharmaceutical-grade potassium antimony tartrate meeting BP/EP monographs for use in expectorant formulations. It is a chemically defined salt of tartaric acid, falling under this tariff item as a salt of tartaric acid with alcohol function.
2918.13.00Pharma-Intermediate Cream of Tartar Granules
Granulated potassium bitartrate serving as an intermediate for API synthesis in antacid formulations and effervescent tablets. It is classified under this tariff item as a pure salt per Chapter 29 note (C)(1).
2918.13.00Potassium Antimony Tartrate Crystals
Crystalline potassium antimony tartrate, also known as tartar emetic, is a double salt used in analytical chemistry and as an emetic. It is a chemically defined salt of tartaric acid, classified under this tariff item.
2918.13.00Potassium Antimony Tartrate USP Grade
Potassium antimony tartrate, known as tartar emetic, is a chemically defined salt of tartaric acid with antimony and potassium, meeting USP standards for pharmaceutical use. It falls under this tariff item as a salt of tartaric acid.
2918.13.00Purified Wine Tartrate Potassium Salt
Refined potassium bitartrate from grape wine lees, certified organic for natural wine acidification. It is a chemically defined organic salt with alcohol function, classified under this tariff item.
2918.13.00Stabilized Potassium Antimony Tartrate
Potassium antimony tartrate with added stabilizers for preservation during transport, allowed under Chapter 29 note (f). The core compound remains chemically defined, and it is classified under this tariff item as a salt of tartaric acid.
2918.13.00Tartar Emetic Powder Technical Grade
Technical grade tartar emetic is potassium antimony tartrate used in industrial schistosomiasis control and as a mordant in textiles. It is classified under this tariff item as a salt of tartaric acid.
2918.13.00Tartar Emetic Solution 10% Aqueous
A 10% aqueous solution of potassium antimony tartrate (tartar emetic) prepared for safe transport and lab use, per Chapter 29 note (d). It remains classified under this tariff item as the dissolved chemically defined compound.
2918.13.00Technical-Grade Cream of Tartar for Candymaking
Technical purity potassium bitartrate (99% min) for commercial sugar confectionery to inhibit crystallization. It is classified under this tariff item as a potassium salt of tartaric acid.
2918.13.00USP-Grade Cream of Tartar Crystals
Pharmaceutical-grade potassium bitartrate meeting USP standards for use in compounding prescriptions and as a laxative or antacid ingredient. It is classified under this tariff item as a specific potassium salt of tartaric acid.
2918.13.00Winemaking Potassium Bitartrate Precipitate
Technical-grade cream of tartar recovered from wine fermentation, used to adjust acidity and stabilize wines by precipitating excess tartrates. It is classified under this tariff item as potassium bitartrate, a carboxylic acid with alcohol function.