Phosphates: — Of potassium
N355007 · 2025-11-04 — The tariff classification of Monopotassium Phosphate from Russia
You identify the subject product as Monopotassium Phosphate (potassium dihydrogen phosphate, potassium phosphate monobasic), CAS number 7778-77-0, with a chemical formula of KH2PO4. Monopotassium Phosphate is a solid inorganic compound, which is odorless, colorless or white in color, and water soluble. In your submission, you suggest classification in subheading 2835.24.0000, Harmonized Tariff Schedule of the United States (HTSUS) or subheading 3105.60.0000, HTSUS. Classification in subheading 3105.60.0000, HTSUS, is incorrect, because Chapter Note 1(b) to Chapter 31, excludes separately…
N236159 · 2013-01-04 — The tariff classification of Di-Tert Butyl Potassium Phosphate (CAS # 33494-80-3) from an unspecified country
You describe the item as Di-Tert Butyl Potassium Phosphate (CAS # 33494-80-3). The attached Material Safety Data Sheet, provided by Rhodia UK Limited, indicates that the product at issue will be used under strictly controlled conditions, as an intermediate for the pharmaceuticals industry. The applicable subheading for the Di-Tert Butyl Potassium Phosphate (CAS # 33494-80-3) will be 2835.24.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:…
N174095 · 2011-08-03 — The tariff classification of Potassium Diphosphate (CAS # 7778-77-0) from an unspecified country
You describe the item as Potassium Diphosphate (CAS # 7778-77-0), which will be imported in white plastic jars packaged for retail sale. You state the item will be used as fertilizer for hydroponic. The applicable subheading for the Potassium Diphosphate will be 2835.24.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: Phosphates: Of potassium. The rate of duty will be 3.1 percent ad valorem. This merchandise may be subject to the…
N093839 · 2010-03-25 — The tariff classification of potassium dihydrogen phosphate (CAS 7778-77-0), "PK Compound Fertilizer" from China
The sample you submitted, “PK Compound Fertilizer” was analyzed by our laboratory. In your letter you suggested that your product falls under HTS 3105.60.0000. We disagree with your proposed classification as the analyzed sample of your product consisted of potassium dihydrogen phosphate which is a chemically defined inorganic compound. The applicable subheading for the potassium dihydrogen phosphate “PK Compound Fertilizer” will be 2835.24.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Phosphinates (hypophosphites),phosphonates (Phosphites) and phosphates;…
N084436 · 2009-11-27 — The tariff classification of WendaPhos Dipotassium Phosphate Liquid 50% from China
, you requested a tariff classification ruling. The WendaPhos Dipotassium Phosphate Liquid 50% consists of dipotassium hydrogen orthophosphate and water. It is a clear odorless liquid that will be imported in bulk. The applicable subheading for the WendaPhos Dipotassium Phosphate Liquid 50% will be 2835.24.0000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for Phosphinates (hypophosphites),phosphonates (Phosphites) and phosphates; polyphosphates, whether or not chemically defined: Phosphates: of potassium. The rate of duty will be 3.1 percent ad valorem. Duty rates…
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