HSN Code 2815 — Sodium hydroxide (caustic soda) — GST 18%
Chapter 28 — Inorganic Chemicals · Goods (HSN)
Full description
Sodium hydroxide (caustic soda), potassium hydroxide
GST rate breakdown
For an intra-state invoice, GST splits equally into CGST + SGST. For inter-state (or exports), it appears as a single IGST line.
Common keywords & aliases
If your invoice description contains any of these terms, HSN 2815 is a likely match. The matcher in this tool is a keyword scorer — not an AI classifier — so cross-check borderline cases against the official CBIC schedule.
Related HSN codes
Other codes in the same heading or chapter — useful when you're narrowing down between adjacent classifications.
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Search HSN codes →Source: keyword-matched from a curated subset of the CBIC GST rate schedule. Dataset snapshot: 2025-04-01. Rates can change between notifications — verify before invoicing.