HSN Classification

HSN 25120030 - DIATOMITE

Classification level: Detailed classification. Use this as a GST code-reference page and confirm rate/exemption treatment from current notifications before final filing.

Code details

Code Type: HSN
Code: 25120030
Official Description: DIATOMITE

Tax guide notes

- GST rate is not embedded in HSN/SAC master data. Confirm the latest rate from GST rate notifications and official CBIC schedules.
- Invoice accuracy matters: use the code that best matches the principal supply description to reduce notices and mismatch risk.
- If supplies include both goods and services, document the dominant nature of supply before selecting HSN/SAC.

Compliance checklist

- Keep product/service description on invoice aligned with the selected HSN/SAC code.
- Review code selection whenever scope of work or product mix changes.
- Cross-check applicable GST rate, exemptions, and reverse-charge conditions before filing returns.

Related codes

HSN

2512

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

HSN

251200

SILICEOUS FOSSIL MEALS (FOR EXAMPLE, KIESELGUHR, TRIPOLITE AND DIATOMITE) AND SIMILAR SILICEOUS EARTHS, WHETHER OR NOT CALCINED, OF AN APPARENT SPECIFIC GRAVITY OF 1 OR LESS :

KIESELGUHR

TRIPOLITE

OTHER