About HSN Code 2512
HSN Code 2512 covers Siliceous Fossil Meals (for Example, Kieselguhr, Tripolite and Diatomite) and Similar Siliceous Earths, Whetheror not Calcined, of an Apparent Specific Gravity of 1 or Less and attracts a GST rate of 5%. For intra-state supplies, this is split as 2.5% CGST + 2.5% SGST. For inter-state supplies, 5% IGST is charged. This code falls under the Chemicals & Materials sector (Paint, fertilizer, rubber, plastics, pharma).
How to Use HSN Code 2512 on GST Invoices
- Include the HSN code 2512 on every GST invoice for siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whetheror not calcined, of an apparent specific gravity of 1 or less
- 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