About HSN Code 29031921
HSN Code 29031921 covers 1,1,1-Trichloroethane (methyl chloroform) and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged. This code falls under the Chemicals & Materials sector (Paint, fertilizer, rubber, plastics, pharma).
How to Use HSN Code 29031921 on GST Invoices
- Include the HSN code 29031921 on every GST invoice for 1,1,1-trichloroethane (methyl chloroform)
- 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
Related HSN Codes
- 29031110 — Chloromethane (methyl Chloride)
- 29031120 — Chloroethane (ethyl Chloride)
- 29031200 — Dichloromethane (methylene Chloride)
- 29031300 — Chloroform (trichloro Methane)
- 29031400 — Carbon Tetrachloride
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Last verified: 2026-06-26 · Source: CBIC Master Tariff