HS Code	Description	Primary rate
2929.90.05.00	2,2'-Bis(4-cyanatophenyl)-1,1,1,3,3,3-hexafluoro- propane; 2,2-Bis((4-cyanatophenyl) propane; 1,1-Ethylidenebis (phenyl-4-cyanate); 4,4'-Methylene bis(2,6-dimethylphenylcyanate); and 1,3-Phenylenebis (1-methylethylidenebis) cyanic acid, 1,4-phenylene ester	Free
2929.90.15.00	Products described in additional U.S. note 3 to section VI	6.5%
2929.90.20.00	Other	6.5%
2929.90.50	Other	6.5%
2929.90.50.15	N,N-Dimethylphosphoramidic dichloride	6.5%
2929.90.50.18	Other	6.5%
2929.90.50.20	Dialkyl (methyl, ethyl, n-propyl or isopropyl)-N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) phosphoramidates	6.5%
2929.90.50.30	N-(Dialkyl (≤C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts	6.5%
2929.90.50.40	O-Alkyl (H or ≤C10, incl. cycloalkyl) N-(dialkyl (≤C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphoramidofluoridates and corresponding alkylated or protonated salts	6.5%
2929.90.50.95	Other	6.5%