HSN Code 2836 — Carbonates (soda ash — GST 18%
Chapter 28 — Inorganic Chemicals · Goods (HSN)
Full description
Carbonates (soda ash, sodium bicarbonate, baking soda industrial)
Why this code: Industrial-grade carbonates — soda ash, washing soda, bicarb (industrial) — sit at 18% under HSN 2836.
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 2836 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.
Looking up a different item?
Paste your product or service description and the matcher will suggest the most likely HSN/SAC code with the GST rate attached.
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.