About HSN Code 28191000

HSN Code 28191000 covers Chromium Trioxide 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 28191000 on GST Invoices

• Include the HSN code 28191000 on every GST invoice for chromium trioxide
• 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

• 28199000 — Other

Related Free Tools

• HSN/SAC Code Search — Search 22,000+ product and service codes
• GST Calculator — Calculate CGST, SGST, IGST split
• GSTIN Validator — Verify any GSTIN number
• GST Due Date Calendar — Never miss a filing deadline
• AI Bill Extractor — Extract invoice data with GL classification

1010 automatically suggests the correct HSN code when you create invoices, using AI to match your product descriptions to the CBIC master list of 22,000+ codes. Start your free trial →

Last verified: 2026-06-26 · Source: CBIC Master Tariff