Q3HSN Code 3815
Reaction initiators, reaction accelerators and catalytic
Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
GST rate
18%
Codes under 3815
| Code | Description | GST rate |
|---|---|---|
| 3815 11 | With nickel or nickel compounds as the active substance — reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included | 18% |
| 3815 12 | With precious metal or precious metal compounds as the active substance — reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included | 18% |
| 3815 12 10 | Platinum or palladium catalysts with a base of activated carbon | 18% |
| 3815 19 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included › Other | 18% |
| 3815 90 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included › Other | 18% |
← Chapter 38: Insecticides and other miscellaneous chemical products
Related HSN codes
3816Refractory cements, mortars, concretes and similar3814Organic composite solvents and thinners, not elsewhere3817Mixed alkylbenzenes and mixed alkylnaphthalenes, other than3813Preparations and charges for fire-extinguishers3818Chemical elements doped for use in electronics, in the form3812Prepared rubber accelerators
Frequently Asked Questions
What is the HSN code for reaction initiators, reaction accelerators and catalytic?
The HSN code for reaction initiators, reaction accelerators and catalytic is 3815, under Chapter 38 (Insecticides and other miscellaneous chemical products).
What is the GST rate on reaction initiators, reaction accelerators and catalytic?
Reaction initiators, reaction accelerators and catalytic is taxed at 18% GST under HSN code 3815.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.