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N311706 · 2020-05-29 — The tariff classification of certain Tertiary Amine and Quaternary Ammonium Compounds from China
You indicated that The Lewis Chemical Company is seeking to import tertiary amines for use as raw materials in the production of surfactants. Additionally, you may import quaternary ammonium compounds derived from tertiary amine compounds. You asked for a classification ruling on the products noted below. Item 1 N,N-Dimethyldodecylamine, CAS# 112-18-5 Item 2 Didecylmethylamine, CAS# 7396-58-9 Item 3 N-decyl-N,N-dimethyl-1-Decanaminium chloride, CAS# 7173-51-5 Item 4 Quaternary ammonium compounds, benzyl-C12-16-alkyldimethyl, chlorides, CAS# 68424-85-1 The applicable subheading for the…
N309818 · 2020-02-25 — The tariff classification of tetramethylammonium chloride (TMAC) 60 % (CAS 75-57-0) from Taiwan
The instant product is a chemical called tetramethylammonium chloride (TMAC) (CAS 75-57-0). You indicate that it is imported in a 60% solution. It is diluted with 40 percent water. It is a Quaternary ammonium salt dissolved in water. There are no other ingredients indicated to be present. Documents show the product may be between 50 -60 % TMAC, with the balance consisting of water. Tetramethylammonium chloride, (TMAC), 60 % solution is quaternary ammonium salt dissolved in water. It is widely used in oil field, mining and electronic applications and as an emulsifier, phase transfer catalyst…
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