HSN code 3815 — REACTION INITIATORS, REACTION ACCELERATORS AND CATALYTIC PRE
HSN · heading18%REACTION INITIATORS, REACTION ACCELERATORS AND CATALYTIC PREPARATIONS, NOT ELSEWHERE SPECIFIED OR INCLUDED
This code covers substances and preparations that start or speed up chemical reactions, as well as catalytic preparations not covered elsewhere. These are used in manufacturing, petroleum refining, pharmaceuticals and other industries to control reaction rates and efficiency.
current gst rate
| igst | cgst | sgst | condition |
|---|---|---|---|
| 18% | 9% | 9% | Sch II S.No 102 |
source: 9/2025-Central Tax (Rate) · effective 2025-09-22 · all codes at 18%
gst calculator — pre-filled with this rate
products commonly classified here
zeolite catalystcatalystcatalytic compoundcatalytic preparationchemical catalystcracking catalysthydrogenation catalystindustrial catalystoxidation catalystpolymerization catalystreaction acceleratorreaction initiatorreforming catalyst
more specific codes
sibling codes
- 3801ARTIFICIAL GRAPHITE, COLLOIDAL OR SEMI-COLLOIDAL GRAPHITE, PREPARATIONS BASED ON GRAPHITE OR OT
- 3802ACTIVATED CARBON; ACTIVATED NATURAL MINERAL PRODUCTS; ANIMAL BLACK, INCLUDING SPENT ANIMAL BLAC
- 3803TALL OIL, WHETHER OR NOT REFINED
- 3804RESIDUAL LYES FROM THE MANUFACTURE OF WOOD PULP, WHETHER OR NOT CONCENTRATED, DESUGARED OR CHEM
- 3805GUM, WOOD OR SULPHATE TURPENTINE AND OTHER TERPENIC OILS PRODUCED BY THE DISTILLATION OR OTHER
- 3806ROSIN AND RESIN ACIDS, AND DERIVATIVES THEREOF; ROSIN SPIRIT AND ROSIN OILS; RUN GUMS
- 3807WOOD TAR, WOOD TAR OILS, WOOD CREOSOTE, WOOD NAPHTHA, VEGETABLE PITCH, BREWERS' PITCH AND SIMIL
- 3808INSECTICIDES, RODENTICIDES, FUNGICIDES, HERBICIDES, ANTI-SPROUTING PRODUCTS AND PLANT-GROWTH RE
- 3809FINISHING AGENTS, DYE CARRIERS TO ACCELERATE THE DYEING OR FIXING OF DYE-STUFFS AND OTHER PRODU
- 3810PICKLING PREPARATIONS FOR METAL SURFACES, FLUXES AND OTHER AUXILIARY PREPARATIONS FOR SOLDERING
- 3811ANTI-KNOCK PREPARATIONS, OXIDATION INHIBITORS, GUM INHIBITORS, VISCOSITY IMPROVERS, ANTI-CORROS
- 3812PREPARED RUBBER ACCELERATORS; COMPOUND PLASTICISERS FOR RUBBER OR PLASTICS, NOT ELSEWHERE SPECI
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compiled from official sources · not tax advice · verify with your tax advisor before filing