Key facts
- HS subheading
- 2929.90
- National lines
- 9
- Tariff
- United States
- Chapter
- 29: Organic chemicals
Summary
The United States tariff splits HS 2929.90 (compounds with other nitrogen function) into 9 national lines: 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), 2929.90.15.00 (products described in additional U.S. note 3 to section VI), 2929.90.20.00 (other), 2929.90.50.15 (N,N-Dimethylphosphoramidic dichloride) and 5 others.
United States lines under 2929.90
The United States tariff splits HS 2929.90 (compounds with other nitrogen function) into 9 national lines: 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), 2929.90.15.00 (products described in additional U.S. note 3 to section VI), 2929.90.20.00 (other), 2929.90.50.15 (N,N-Dimethylphosphoramidic dichloride) and 5 others.
- 2929.90.05.002,2'-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 esterDuty: Free
- 2929.90.15.00Products described in additional U.S. note 3 to section VIDuty: 6.5%
- 2929.90.20.00OtherDuty: 6.5%
- 2929.90.50.15N,N-Dimethylphosphoramidic dichlorideDuty: 6.5%
- 2929.90.50.18OtherDuty: 6.5%
- 2929.90.50.20Dialkyl (methyl, ethyl, n-propyl or isopropyl)-N,N-dialkyl (methyl, ethyl, n-propyl or isopropyl) phosphoramidatesDuty: 6.5%
- 2929.90.50.30N-(Dialkyl (≤C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated saltsDuty: 6.5%
- 2929.90.50.40O-Alkyl (H or ≤C10, incl. cycloalkyl) N-(dialkyl (≤C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphoramidofluoridates and corresponding alkylated or protonated saltsDuty: 6.5%
- 2929.90.50.95OtherDuty: 6.5%
In other countries
No other national tariff on border.bot has live lines under 2929.90 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 2929.90?
The United States tariff splits HS 2929.90 (compounds with other nitrogen function) into 9 national lines: 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), 2929.90.15.00 (products described in additional U.S. note 3 to section VI), 2929.90.20.00 (other), 2929.90.50.15 (N,N-Dimethylphosphoramidic dichloride) and 5 others.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: