About HSN Code 3818
HSN Code 3818 covers Chemical Elements Doped for Use in Electronics, in the Form of Discs, Wafers or Similar Forms, Chemical Compounds Doped for Use in Electronics and attracts a GST rate of 12%. For intra-state supplies, this is split as 6% CGST + 6% SGST. For inter-state supplies, 12% IGST is charged. This code falls under the Chemicals & Materials sector (Paint, fertilizer, rubber, plastics, pharma).
How to Use HSN Code 3818 on GST Invoices
- Include the HSN code 3818 on every GST invoice for chemical elements doped for use in electronics, in the form of discs, wafers or similar forms, chemical compounds doped for use in electronics
- Businesses with turnover above ₹5 crore must use 6-digit HSN codes
- Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
- The HSN code must match the product/service description on your invoice
- Incorrect HSN codes can lead to GST notices and ITC mismatches
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Last verified: 2026-06-26 · Source: CBIC Master Tariff