HSN Code 2815: Sodium hydroxide (caustic soda)
HSN code 2815 classifies sodium hydroxide (caustic soda) under India's GST system. GST rate: 18%.
GST Rate Breakdown
- GST Rate: 18%
- CGST + SGST (intra-state): 9% + 9%
- IGST (inter-state): 18%
Rate reflects the GST 2.0 structure effective 22 September 2025 (slabs 0%, 5%, 18%, 40%). Some items vary by price or type, so confirm the current rate on the official GST portal before invoicing.
18% is India's standard GST rate applying to the majority of goods and services
18% is India's standard GST rate applying to the majority of goods and services. Sodium hydroxide (caustic soda) falls in this bucket. Full ITC available.
Sample Calculation for Sodium hydroxide (caustic soda)
- Taxable value: ₹10,000
- GST (18%): ₹1,800
- Intra-state: ₹900 CGST + ₹900 SGST
- Inter-state: ₹1,800 IGST
- Total: ₹11,800
When to Use HSN Code 2815
Use HSN code 2815 on every tax invoice for sodium hydroxide (caustic soda). Businesses above ₹5 crore turnover must use the full 6-digit code. E-invoicing requires HSN/SAC on every line item.
FAQs about HSN 2815
What is HSN code 2815?
HSN code 2815 classifies sodium hydroxide (caustic soda) under India's GST system. The applicable GST rate is 18%.
What is the GST rate for Sodium hydroxide (caustic soda)?
Sodium hydroxide (caustic soda) attracts 18% GST. For intra-state sales: 9% CGST + 9% SGST. For inter-state: 18% IGST.
Is Sodium hydroxide (caustic soda) exempt from GST?
No. Sodium hydroxide (caustic soda) attracts 18% GST on every taxable sale.