Ethers, ether-alcohols, ether-phenols, ether-alcohol- phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulfonated, nitrated or nitrosated derivatives
Part of: 29 — Organic chemicals
H004099 · 2007-10-10 — Revocation of HQ 967885, dated February 1, 2006
, dated November 21, 2006, in which you have requested reconsideration of Headquarters Ruling Letter (HQ) 967885, dated February 1, 2006. In HQ 967885, a substance identified as “CH-50-WO” was classified under subheading 3815.90.5000 of the Harmonized Tariff Schedule of the United States (HTSUS), which provides for “Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: Other: Other.” In your request for reconsideration, you have provided additional information that the white oil present in the product is used solely for safety during…
953450 · 1993-04-19 — Sevoflurane; fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether; 1,1,1,3,3,3-hexafluoro-2-(fluoromethoxy) propane; CAS 28523-86-6 not listed; inhalation anaesthetic; bulk
FACTS: Sevoflurane, CAS 28523-86-6, described by you as fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether, has the CAS name of 1,1,1,3,3,3-hexafluoro-2-(fluoromethoxy) propane. It is used as an inhalation anaesthetic. For purposes of this ruling, the compound has been described as being imported in bulk form. ISSUE: What is the classification of sevoflurane, CAS Registry #28523-86-6? LAW AND ANALYSIS: Merchandise imported into the U.S. is classified under the HTSUSA. Tariff classification is governed by the principles set forth in the General Rules of Interpretation (GRIs) and, in…
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