HSN code 29214524 — KOCH'S ACID (1-NAPHTHYLAMINE-3,6,8-TRISULPHONIC ACID)
HSN · tariff item18%KOCH'S ACID (1-NAPHTHYLAMINE-3,6,8-TRISULPHONIC ACID)
current gst rate
| igst | cgst | sgst | condition |
|---|---|---|---|
| 5% | 2.5% | 2.5% | Sch I S.No 222 |
| 18% | 9% | 9% | Sch II S.No 36 |
source: 9/2025-Central Tax (Rate) · effective 2025-09-22 · rate inherited from 29 · all codes at 18%
gst calculator — pre-filled with this rate
sibling codes
- 29214511ALPHA NAPHTHYLAMINE
- 29214512PHENYL ALPHA NAPHTHYLAMINE
- 29214513PHENYL BETA NAPHTHYLAMINE
- 29214514AMINO F-ACID
- 29214515AMINOLINELI-R-ACID
- 29214516SODIUM NAPHTHIONATE
- 29214521BRONNER'S ACID (2-NAPHTHYLAMINE-6-SULPHONIC ACID)
- 29214522CLEVE'S ACID (1-NAPHTHYLAMINE-6-SULPHONIC ACID)
- 29214523EPSILON ACID (1-NAPHTHYLAMINE-3,8-DISULPHONIC ACID)
- 29214525LAURENT'S ACID (1-NAPHTHYLAMINE-5-SULPHONIC ACID)
- 29214526TOBIAS ACID (2-NAPHTHYLAMINE-1-SULPHONIC ACID)
- 29214531NAPHTHIONIC ACID (1-NAPHTHYLAMINE-4-SULPHONIC ACID)
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compiled from official sources · not tax advice · verify with your tax advisor before filing