4,4'-Benzidine-2,2'-disulfonic acid; 1,4-Diaminobenzene-2-sulfonic acid; 4,4'-Methylene bis ((3-chloro-2,6-diethylaniline); 4,4'-Methylene bis(2,6-diethylaniline); 4,4'-Methylene bis (2,6-diisopropylaniline);m-Xylene diamine; and 3,3'-Diaminobenzidine (tetraaminobiphenyl)
Part of: 292159 — Aromatic polyamines and their derivatives; salts thereof: — Other:
d83700 · 1998-12-09 — The tariff classification of (3S-Trans)-7-Bromo-3,4-Dihdyro-3-(Phenylmethyl)-2H-1-Benzopyran (CAS 204981-45-3) from France, and 4,4'-Diamino-2,2'-Biphenylsulfonic Acid (CAS 117-61-3) from the Czech Republic.
The applicable subheading for (3S-Trans)-7-Bromo-3,4-Dihdyro-3-(Phenylmethyl)-2H-1-Benzopyran, which is used as a pharmaceutical intermediate, will be 2932.99.6000, Harmonized Tariff Schedule of the United States (HTS), which provides for heterocyclic compounds with oxygen hetero-atom(s) only: other. The rate of duty will be 10.7 percent ad valorem. The applicable subheading for 4,4'-Diamino-2,2'-Biphenylsulfonic Acid, which is used as a chemical intermediate, will be 2921.59.1700, Harmonized Tariff Schedule of the United States (HTS), which provides for amine function compounds: aromatic…
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