Chapter 3827 Tariff Headings
HSN Codes Chapter 38: Miscellaneous chemical products
Chapter 38 of the GST HSN tariff classifies miscellaneous chemical products. This chapter contains 27 4-digit tariff headings with applicable GST rates effective 22 September 2025.
Official CBIC Rates (Notification 09/2025 & 10/2025)GST rates as per CBIC Notifications 09/2025 and 10/2025 (Central Tax - Rate), effective 22 September 2025. Last updated: October 2026. Always verify on the official GST portal before filing.. Main active GST slabs across goods are 0%, 5%, 18% and 40%.
4-Digit Tariff Headings in Chapter 38
Select any heading below to view its complete 6-digit and 8-digit sub-codes, item-level rate specifications, and CBIC notification details.
Artificial Graphite, Colloidal Or Semi-Colloidal Graphite, Preparations Based On Graphite Or Other Carbon In The Form Of Pastes, Blocks, Plates Or Other Semi-Manufactures
GST Rate:
18%
Activated Carbon; Activated Natural Mineral Products; Animal Black, Including Spent Animal Black
GST Rate:
18%
Tall Oil, Whether Or Not Refined
GST Rate:
18%Applies to some sub-codes
Residual Lyes From The Manufacture Of Wood Pulp, Whether Or Not Concentrated, Desugared Or Chemically Treated, Including Lignin Sulphonates, But Excluding Tall Oil Of Heading 3802
GST Rate:
18%
Gum, Wood Or Sulphate Turpentine And Other Terpenic Oils Produced By The Distillation Or Other Treatment Of Coniferous Woods, Crude Dipentene, Sulphite Turpentine And Other Crude Para-Cymene, Pine Oil Containing Alpha-Terpineol As The Main Constituent
GST Rate:
18%
Rosin And Resin Acids, And Derivatives Thereof; Rosin Spirit And Rosin Oils; Run Gums
GST Rate:
18%
Wood Tar, Wood Tar Oils, Wood Creosote, Wood Naphtha, Vegetable Pitch, Brewers' Pitch And Similar Preparations Based On Rosin, Resin Acids Or On Vegetable Pitch
GST Rate:
18%
Insecticides, Rodenticides, Fungicides, Herbicides, Anti-Sprouting Products And Plant-Growth Regulators, Disinfectants And Similar Products, Put Up In Forms Or Packings For Retail Sale Or As Preparations Or Articles (For Example, Sulphurtreated Bands, Wicks And Candles, And Fly-Papers)
GST Rate:
5%Applies to some sub-codes
5%
18%
Finishing Agents, Dye Carriers To Accelerate The Dyeing Or Fixing Of Dye-Stuffs And Other Products And Preparations (For Example, Dressings And Mordants), Of A Kind Used In The Textile, Paper, Leather Or Like Industries, Not Elsewhere Specified Or Included
GST Rate:
18%
Pickling Preparations For Metal Surfaces, Fluxes And Other Auxiliary Preparations For Soldering, Brazing Or Welding, Soldering, Brazing Or Welding Powders And Pastes Consisting Of Metal And Other Materials, Preparations Of A Kind Used As Cores Or Coatings For Welding Electrodes Or Rods
GST Rate:
18%
Anti-Knock Preparations, Oxidation Inhibitors, Gum Inhibitors, Viscosity Improvers, Anti-Corrosive Preparations And Other Prepared Additives, For Mineral Oils (Including Gasoline) Or For Other Liquids Used For The Same Purposes As Mineral Oils
GST Rate:
18%
Prepared Rubber Accelerators; Compound Plasticisers For Rubber Or Plastics, Not Elsewhere Specified Or Included; Anti-Oxidising Preparations And Other Compound Stabilisers For Rubber Or Plastics
GST Rate:
18%
Preparations And Charges For Fire-Extinguishers; Charged Fire-Extinguishing Grenades
GST Rate:
18%
Organic Composite Solvents And Thinners, Not Elsewhere Specified Or Included; Prepared Paint Or Varnish Removers
GST Rate:
18%
Reaction Initiators, Reaction Accelerators And Catalytic Preparations, Not Elsewhere Specified Or Included
GST Rate:
18%
Refractory Cements, Mortars, Concretes And Similar Compositions, Including Dolomite Ramming Mix, Other Than Products Of Heading 3800
GST Rate:
5%
18%
Mixed Alkylbenzenes And Mixed Alkylnaphthalenes, Other Than Those Of Heading 2707 Or 2902
GST Rate:
18%
Chemical Elements Doped For Use In Electronics, In The Form Of Discs, Wafers Or Similar Forms, Chemical Compounds Doped For Use In Electronics
GST Rate:
5%
18%
Hydraulic Brake Fluids And Other Prepared Liquids For Hydraulic Transmission, Not Containing Or Containing Less Than 70% By Weight Of Petroleum Oils Or Oils Obtained From Bituminous Minerals
GST Rate:
18%
Prepared Culture Media For Development Or Maintenance Of Micro-Organism (Including Viruses And The Like) Or Of Plant Human Or Animal Cells
GST Rate:
18%
Diagnostic Or Laboratory Reagents On A Backing, Prepared Diagnostic Or Laboratory Reagents Whether Or Not On A Backing, Whether Or Not Put Up In The Form Of Kits, Other Than Those Of Heading 3006; Certified Reference Materials
GST Rate:
5%
Industrial Monocarboxylic Fatty Acids; Acid Oils From Refining; Industrial Fatty Alcohols
GST Rate:
18%
Prepared Binders For Foundry Moulds Or Cores; Chemical Products And Preparations Of The Chemical Or Allied Industries (Including Those Consisting Of Mixtures Of Natural Products), Not Elsewhere Specified Or Included
GST Rate:
18%
Residual Products Of The Chemical Or Allied Industries, Not Elsewhere Specified Or Included, Municipal Waste, Sewage Sludge, Other Wastes Specified In Note 6 To This Chapter
GST Rate:
0% (Nil / exempt)
18%
Biodiesel And Mixtures Thereof, Not Containing Or Containing Less Than 70 % By Weight Of Petroleum Oils And Oils Obtained From Bituminous Minerals
GST Rate:
5%
18%
Mixtures Containing Halogenated Derivatives Of Methane, Ethane Or Propane, Not Elsewhere Specified Or Included
GST Rate:
18%
How Many HSN Digits Do You Need to Mention?
Under GST Notification 78/2020-Central Tax, businesses must declare HSN codes on tax invoices according to annual aggregate turnover:
| Annual Turnover | B2B Invoices | B2C Invoices |
|---|---|---|
| Up to ₹5 Crore | 4 Digits minimum | Optional (4 Digits recommended) |
| Above ₹5 Crore | 6 Digits mandatory | 6 Digits mandatory |
| Exports / Imports | 8 Digits mandatory | 8 Digits mandatory |