About HSN Code 25101020

HSN Code 25101020 covers Natural Aluminium Calcium Phosphate and attracts a GST rate of 5%. For intra-state supplies, this is split as 2.5% CGST + 2.5% SGST. For inter-state supplies, 5% IGST is charged. This code falls under the Chemicals & Materials sector (Paint, fertilizer, rubber, plastics, pharma).

How to Use HSN Code 25101020 on GST Invoices

• Include the HSN code 25101020 on every GST invoice for natural aluminium calcium phosphate
• 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

• 25101010 — Natural Calcium Phosphate
• 25101030 — Natural Calcium Phosphate Apatite
• 25101090 — Other
• 25102010 — Natural Calcium Phosphates
• 25102020 — Natural Aluminium Calcium Phosphate

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