Other: — Products described in additional U.S. note 3 to section VI
Part of: 292159 — Aromatic polyamines and their derivatives; salts thereof: — Other:
N300798 · 2018-10-17 — The tariff classification of Various Chemical Compounds from China and/or Canada
You indicate they are all used for research at laboratories and universities. You provided the following information on the five items under review. Item 1 DAB Tetrahydrochloride, Hydrate (CAS #868272-85-9) is a water soluble form of 3-3'-diaminobenzidine and is used to stain for peroxidase activity. The intensity of DAB staining can be increased with the addition of cobalt, nickel or silver ions. The product is imported as a light pink to light lavender powder. The product's country of origin is China. Item 2 Paromomycin Sulfate, (CAS #1263-89-4) is an aminoglycoside antibiotic. It targets a…
N058189 · 2009-05-04 — The tariff classification of AFTA-ph from Japan
The subject product AFTA-Ph is also known chemically as 4, 4’-[2, 2, 2-Trifluoro-1-(trifluoromethyl)ethylidene] bis [N1-phenyl-1,2-benzenediamine] (CAS # 83558-80-9). Chemical structure provided with you request indicates that the compound is an aromatic polyamine. You indicate that the product is a new chemical compound which will be used as a curing agent for high end elastomeric materials. The applicable subheading for the AFTA-Ph will be 2921.59.4000, Harmonized Tariff Schedule of the United States (HTSUS), which provides for “Amine-function compounds: Aromatic polyamines and their…
K81039 · 2003-12-11 — The tariff classification of 4,4’Methylenebis(2-ethylbenzenamine), CAS # 19900-65-3, in bulk form, from China
The subject product, 4,4’Methylenebis(2-ethylbenzenamine), also known as 4,4'-Methylenebis(2-ethylaniline), is an aromatic polyamine indicated for use as a chemical intermediate. The applicable subheading for 4,4’Methylenebis(2-ethylbenzenamine) will be 2921.59.4000, Harmonized Tariff Schedule of the United States (HTS), which provides for Aromatic polyamines and their derivatives; salts thereof: Other: Other: Products described in additional U.S. note 3 to section VI….. The rate of duty will be 7.2 percent ad valorem. The duty rate in 2004 will be 6.5 percent ad valorem. This ruling is being…
I86457 · 2002-10-14 — The tariff classification of 4,4’-Methylenebis[2-methylaniline], CAS # 838-88-0, imported in bulk form, from China
The applicable subheading for 4,4’-Methylenebis[2-methylaniline], also known as Benzenamine, 4,4'-methylenebis[2-methyl-, will be 2921.59.4000, Harmonized Tariff Schedule of the United States (HTS), which provides for Aromatic polyamines and their derivatives; salts thereof: Other: Other: Products described in additional U.S. note 3 to section VI….. The rate of duty will be 7.9 percent ad valorem. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry…
963832 · 2000-03-21 — N, N’-Diphenylbenzidine, CAS 531-91-9; NY F81398
This is in regard to New York Ruling Letter (NY F81398) which was issued to you on February 28, 2000, in response to your letter of December 15, 1999. In that ruling, the Customs National Commodity Specialist Division held that N, N’-Diphenylbenzidine was classified in subheading 2921.59.8090, Harmonized Tariff Schedule of the United States (HTSUS), the ultimate residual provision for aromatic polyamines listed in the Chemical Appendix. We have reviewed the ruling and determined that this classification is erroneous as N, N’-Diphenylbenzidine is not included in the Chemical Appendix. The…
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