Esters of other inorganic acids of nonmetals (excluding esters of hydrogen halides) and their salts; their halogenated, sulfonated, nitrated or nitrosated derivatives:
Part of: 29 — Organic chemicals
R02085 · 2005-06-13 — The tariff classification of Trimethyl phosphite (CAS # 121-45-9), imported in bulk form, from India
The subject product, Trimethyl phosphite, also known as Phosphorous acid, trimethyl ester, is a chemical intermediate used in the manufacture of organo-phosphorus insecticides. It is also used in phosphorus-based flame retardants. In your letter, you suggest classification under 2835.10.0000, HTS. This subheading is an eo nomine provision which provides for Phosphinates (hypophosphites) and phosphonates (phosphites). Trimethyl phosphite is an ester of an inorganic acid of nonmetals and is provided for in heading 2920, HTS. The applicable subheading for Trimethyl phosphite will be…
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