Sulphonamides
HS heading 29.35 covers Sulphonamides. Within Chapter 29 it splits into 6 six-digit subheadings, each carrying its own customs duty line.
- India exports 2024
- $323.3M
- Share of Chapter 29
- 1.6%
- Rank in its chapter
- #17 of 42
Source: UN Comtrade — India's reported merchandise exports to the world, 2024.
Sourcing this category from India
HS 29.35 covers Sulphonamides. At the six-digit line it breaks down further — starting with sulphonamides — into 6 duty lines shown below. Organic chemicals are a major Indian export, anchored by the country's strength in bulk drugs and intermediates. India exported $323.3M under this code worldwide in 2024, about 1.6% of all Chapter 29 exports, ranking #17 of 42 lines in its chapter (UN Comtrade).
How to read this code
29.35 is the four-digit HS heading for sulphonamides. To clear customs your destination country extends it to a full 8–10 digit code and assigns the duty rate. India's preferential trade agreements (UAE CEPA, Australia ECTA, and others) can reduce or zero out that duty on many chemicals & allied industries lines — check our import guides for your market.
Subheadings under HS 29.35
The Harmonised System breaks Sulphonamides into these 6 subheadings. Drill down to the exact classification for your goods.
Sulphonamides; N-methylperfluorooctane sulphonamide
Sulphonamides; N-ethylperfluorooctane sulphonamide
Sulphonamides; N-ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide
Sulphonamides; N-(2-hydroxyethyl)-N-methylperfluorooctane sulphonamide
Sulphonamides; other perfluorooctane sulphonamides
Sulphonamides; n.e.c. in heading no. 2935
Top destinations for Chapter 29 exports
India's largest buyers of goods in this HS chapter in 2024, ranked by export value.
Chapter-level destination mix — your specific HS line may skew differently. Source: UN Comtrade, 2024.
More codes in Organic chemicals
Jump to the other headings classified under 29 — hover a code for its description.
Working out import duty for HS 29.35 into your market? See full duty context and India-vs-rivals comparisons in our India comparison guides and export resource hub.
Indian exporters in this category
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