Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2927.00.18.00Tariff line
Classification path
Diazo-, azo- or azoxy-compounds
2927
1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5-oxo, ester with phenyl(2,3,4-trihydroxyphenyl)methanone; 1-Naphthalenesulfonic acid, 3-diazo-3,4-dihydro-4- oxo-ar'-(1-methylethyl) [1,1'-biphenyl]-4-yl ester; 1-Napthanlenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-,(octahydro-4,7-methano-1H-indene-2,5-diyl) bis- (methylene) ester; and 1-Naphthalenesulfonic acid, 6-diazo-5,6-dihydro-5- oxo-, 4-benzoyl-1,2,3-benzenetriyl ester
2927.00.18.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 50%
Unitkg
Printed page 1526
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2927.00.18 is on L3
- PGAEPA EP7
Confirmed total 37.5% · max 37.5%Full duty breakdown →