Nitrogen heterocyclic compounds from India

India exported $1.32 billion of nitrogen heterocyclic compounds (HS 2933.99) in FY2025-26, down 12% on FY2024-25. Goods made in India pay 10% to 16.5% US import duty, depending on the tariff line, against 12.5% to 19% for goods from China.

US duty from India
10%China 12.5%
India's exports, FY2025-26
$1.32BDown 12.4% on last year
HS code
2933.99Page updated 6 Nov 2026

US import duty, India vs China

India 10%
China 12.5%

India pays 2.5 points less on the lowest-duty line. From the USITC HTS 2026 Rev 22.

All 29 US tariff lines
HTS lineDescriptionBaseIndiaChina
2933.99.01.00 Aromatic or modified aromatic: Butyl (<i>R</i>)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoate0% if the goods are for pharmaceutical use Free 10% 12.5%
2933.99.02.00 Aromatic or modified aromatic: 2-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl ester0% if the goods are for pharmaceutical use Free 10% 12.5%
2933.99.05.00 Aromatic or modified aromatic: Acridine and indole0% if the goods are for pharmaceutical use Free 10% 12.5%
2933.99.06.00 Aromatic or modified aromatic: <i>α</i>-Butyl-<i>α</i>-(4-chlorophenyl)-1<i>H</i>-1,2,4- triazole-1- propanenitrile (Myclobutanil); and<i>α</i>-[2-(4-Chlorophenyl)ethyl]-<i>α</i>-phenyl-1<i>H</i>- 1,2,4-triazole-1-propanenitrile (Fenbuconazole)6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2933.99.08.00 Aromatic or modified aromatic: Aceto acetyl-5-amino benz imidazolone; 3-(2<i>H</i>-Benzo triazol-2-yl)-5-(<i>tert</i>-butyl)-4- hydroxy benzene propanoic acid, C7-C9 branched or linear alkyl esters; 2-(2<i>H</i>-Benzotriazol-2-yl)-6-dodecyl-4- methyl phenol, in liquid form, branched and linear; and 1,3,3-Trimethyl-2-methyleneindoline0% if the goods are for pharmaceutical use Free 10% 12.5%
2933.99.11.00 Aromatic or modified aromatic: Carbazole0% if the goods are for pharmaceutical use Free 10% 12.5%
2933.99.12.00 Aromatic or modified aromatic: 6-Bromo-5-methyl-1<i>H</i>-imidazo[4,5-<i>b</i>]- pyridine; 2-<i>sec</i>-Butyl-4-<i>tert</i>-butyl-6-(benzotriazol-2- yl)phenol; 2-<i>tert</i>-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-<i>tert</i>-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5<i>H</i>-dibenz- [<i>b</i>,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;<i>dl</i>-Tryptophan; and Vinylcarbazole, monomer5.8% if the goods are for pharmaceutical use 5.8% 15.8% 18.3%
2933.99.14.00 Pesticides: 5-Amino-4-chloro-<i>α</i>-phenyl-3- pyridazinone6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2933.99.16.00 Pesticides: <i>o</i>-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)0% if the goods are for pharmaceutical use Free 10% 12.5%
2933.99.17.01 Other: Insecticides6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2933.99.22.00 Other: Other6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2933.99.24.00 Other: Photographic chemicals6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%

Showing 12 of 29 tariff lines. Totals include the Section 301 duty on goods from India or China and any Section 232 metals duty. They exclude anti-dumping and countervailing duties and customs fees. Check the current rate before you quote.

India's exports of nitrogen heterocyclic compounds

FY2022-23 $960 million
FY2023-24 $2.45 billion
FY2024-25 $1.51 billion
FY2025-26 $1.32 billion

India's exports to all countries under HS 2933.99, April to March, from DGCI&S.

Rules and other duties

EU base duty
The EU's average applied base (MFN) rate on HS 2933.99 is 6.4%, ranging from 0% to 6.5% across tariff lines, from 2021 data. It doesn't include India's GSP preference, so goods from India may pay less. Check the current rate in TARIC before you quote.
RoDTEP
India's schedule lists 0.7% of FOB value for exporters. The scheme was notified until 30 September 2026, so check with DGFT whether it's been extended.
India's export policy
Free to export, with no licence needed.

Common questions

What is the US import duty on nitrogen heterocyclic compounds from India?

10% to 16.5% on the 29 US tariff lines under HS 2933.99, including the Section 301 duty on Indian goods and any Section 232 metals duty. Goods from China pay 12.5% to 19%. Anti-dumping duties and customs fees aren't included.

What is the HS code for nitrogen heterocyclic compounds?

2933.99, under heading 2933 (Heterocyclic compounds with nitrogen hetero-atom(s) only). Check the exact 8-digit or 10-digit line with your customs broker, since duty can differ between lines.

Does India export nitrogen heterocyclic compounds?

Yes. India exported $1.32 billion under HS 2933.99 in FY2025-26, according to DGCI&S, the Ministry of Commerce's trade statistics body.