---
title: "HSN Code for Caustic Soda Lye | HSN 28151200 GST Rate"
description: "Find HSN and GST Rates for 28151200 related to Caustic Soda Lye with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-28151200/"
---

# HSN Code 28151200: Caustic Soda Lye

- [Section 06: Guide to HSN Section 06](https://busy.in/hsn/section-06/)
- [Chapter 28: Inorganic Chemicals & Rare-Earth Metal Compounds](https://busy.in/hsn/chapter-28/)
- [Sub-chapter 2815: Sodium & potassium hydroxides](https://busy.in/hsn/sub-chapter-2815/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| INORGANIC BASES AND OXIDES,HYDROXIDES AND PEROXIDES OF METALS : Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda) | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 28151200 ?

It includes Caustic Soda Lye

### Can we claim ITC on inputs used to trade Caustic Soda Lye?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

### Does packaging or labelling change the GST for Caustic Soda Lye?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

### Any common misclassification issue with Caustic Soda Lye?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

### Do e‑way bill and e‑invoice apply for Caustic Soda Lye?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

### How should mixed supplies be billed when Caustic Soda Lye is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Caustic Soda Lye; Nil for exempt items if applicable).

### How much GST applies to Caustic Soda Lye?

Under HSN 28151200, Caustic Soda Lye attracts Varies when sold in taxable form. Describe the exact form on the invoice.

## India's trade performance: HSN Code 28151200 (FY 2024-25)

Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25).

- Exports: ₹762 Cr (+78.02% YoY) — 0.0207% of India's total exports
- Imports: ₹571 Cr (−18.06% YoY) — 0.0094% of India's total imports
- Trade balance: ₹190 Cr (Surplus); surplus rank #1180 of 12657 HSN codes
- Share of Sub-Chapter 2815: 33.25% of its exports; import side 69.05%
- Rank within Sub-Chapter 2815: #2 of 5 by export value; import-side #1

### Key metrics

- Export CAGR: 96.75% (FY 2018-19 to FY 2024-25, 7 fiscal years)
- National export rank: #675 of 12657 HSN codes by export value (FY 2024-25)
- Peak growth year: +531.91% in FY 2020-21
- Contribution to Sub-Ch. 2815: 33.25% of its exports (FY 2024-25)

## India export-import trade statistics: HSN Code 28151200

7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB.

| FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Sub-Ch. 2815 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Sub-Ch. 2815 | Trade balance | Exp rank |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| FY 2018-19 | 13.13 | 0.0006% | — | 1.79% | 624.02 | 0.0174% | — | 68.89% | −610.89 | #4665 |
| FY 2019-20 | 27.01 | 0.0012% | +105.71% | 4.71% | 838.22 | 0.0250% | +34.33% | 88.34% | −811.21 | #3736 |
| FY 2020-21 | 170.68 | 0.0079% | +531.91% | 27.20% | 540.65 | 0.0186% | −35.50% | 85.13% | −369.97 | #1526 |
| FY 2021-22 | 771.04 | 0.0246% | +351.75% | 57.53% | 689.90 | 0.0151% | +27.61% | 77.39% | +81.14 | #579 |
| FY 2022-23 | 1,323.58 | 0.0366% | +71.66% | 53.80% | 663.33 | 0.0115% | −3.85% | 65.79% | +660.25 | #388 |
| FY 2023-24 | 427.84 | 0.0118% | −67.68% | 25.00% | 697.09 | 0.0124% | +5.09% | 67.65% | −269.25 | #1093 |
| FY 2024-25 | 761.62 | 0.0207% | +78.02% | 33.25% | 571.18 | 0.0094% | −18.06% | 69.05% | +190.44 | #675 |

- CAGR (7-year): exports 96.75%/yr, imports -1.46%/yr (consistently Surplus)

## Key trade insights: HSN Code 28151200 export-import analysis

### Consistent export growth: 96.75% CAGR over 7 years

India's exports under HSN Code 28151200 have grown at a compound annual rate of 96.75% over 7 fiscal years, rising from ₹13.13 Crore in FY 2018-19 to ₹761.62 Crore in FY 2024-25.

### HSN Code 28151200 ranked #675 among all 12657 HSN codes by export value

In FY 2024-25, HSN Code 28151200 ranks #675 out of 12657 HSN codes by total export value. Within Sub-Chapter 2815, it ranks #2 of 5. By trade surplus, it ranks #1180 of 12657.

### FY 2020-21 was the strongest growth year for HSN Code 28151200 exports

The strongest single-year export movement for HSN Code 28151200 was recorded in FY 2020-21, when exports surged by 531.91% over the prior year.

### India maintains a trade surplus of ₹190.44 Crore in HSN Code 28151200 goods

In FY 2024-25, India's exports of ₹761.62 Cr exceeded imports of ₹571.18 Cr, resulting in a trade surplus of ₹190.44 Crore — ranking #1180 of 12657 by surplus magnitude.

### Import growth of -1.46% CAGR signals stable import dependency for Caustic Soda Lye

India's imports under HSN Code 28151200 have grown at -1.46% CAGR, reaching ₹571.18 Crore in FY 2024-25.

### HSN Code 28151200 contributes 33.25% of Sub-Chapter 2815 exports — ranked #2

Among the 5 HSN codes under Sub-Chapter 2815, HSN Code 28151200 ranks #2 by export value — accounting for 33.25% of the sub-chapter's total exports in FY 2024-25. On the import side, it holds 69.05% share (rank #1).

## Related HSN Codes in Sub-Chapter 2815

Ranked by export value (FY 2024-25).

| Rank | HSN Code | Exports (FY 2024-25) |
| --- | --- | --- |
| #1 | [HSN Code 28151110: Caustic Soda Flakes](https://busy.in/hsn/hsn-28151110/) | ₹1,371 Cr |
| #2 | HSN Code 28151200: Caustic Soda Lye (this hsn code) | ₹762 Cr |
| #3 | [HSN Code 28151190: Other Solid Caustic Soda](https://busy.in/hsn/hsn-28151190/) | ₹137 Cr |
| #4 | [HSN Code 28152000: Potassium Hydroxide](https://busy.in/hsn/hsn-28152000/) | ₹20 Cr |
| #5 | [HSN Code 28153000: Sodium & Potassium Peroxides](https://busy.in/hsn/hsn-28153000/) | < ₹1 Crore |