Q3HSN Code 3818
Chemical elements doped for use in electronics, in the form
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
| Silicon wafers | 5% |
| Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics [other than silicon wafers] | 18% |
Codes under 3818
| Code | Description | GST rate |
|---|---|---|
| 3818 00 | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms, chemical compounds doped for use in electronics: | Varies |
| 3818 00 10 | Undefused silicon wafers | Varies |
| 3818 00 20 | Silicon carbide epitaxial thin film on substrate | Varies |
| 3818 00 30 | Gallium nitride epitaxial thin film on substrate | Varies |
← Chapter 38: Insecticides and other miscellaneous chemical products
Related HSN codes
3819Hydraulic brake fluids and other prepared liquids3817Mixed alkylbenzenes and mixed alkylnaphthalenes, other than3820Anti-freezing preparations and prepared de-icing fluids3816Refractory cements, mortars, concretes and similar3821Prepared culture media for development or maintenance3815Reaction initiators, reaction accelerators and catalytic
Frequently Asked Questions
What is the HSN code for chemical elements doped for use in electronics, in the form?
The HSN code for chemical elements doped for use in electronics, in the form is 3818, under Chapter 38 (Insecticides and other miscellaneous chemical products).
What is the GST rate on chemical elements doped for use in electronics, in the form?
It depends on the specific item: silicon wafers is 5%; chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics [other than silicon wafers] is 18%.
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.