---
title: "HSN Code for R Acids (2-Naphthol-3,6-Disulphonic Acid) | HSN 29082025 GST Rate"
description: "Find HSN and GST Rates for 29082025 related to R Acids (2-Naphthol-3,6-Disulphonic Acid) with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29082025/"
---

# HSN Code 29082025: R Acids (2-Naphthol-3,6-Disulphonic Acid)

- [Section 06: Guide to HSN Section 06](https://busy.in/hsn/section-06/)
- [Chapter 29: Organic Chemicals](https://busy.in/hsn/chapter-29/)
- [Sub-chapter 2908: Halogenated phenol derivatives](https://busy.in/hsn/sub-chapter-2908/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols - derivatives containing only sulpho groups, their salts and esters : naphthol sulphonic acids : schaeffer acid (2-naphthol-6-sulphonic acid) | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29082025 ?

It includes Other Saturated Acyclic Monocarboxylic Acids

### How should mixed supplies be billed when R Acids (2-Naphthol-3,6-Disulphonic Acid) is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for R Acids (2-Naphthol-3,6-Disulphonic Acid); Nil for exempt items if applicable).

### Do e‑way bill and e‑invoice apply for R Acids (2-Naphthol-3,6-Disulphonic Acid)?

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.

### Any common misclassification issue with R Acids (2-Naphthol-3,6-Disulphonic Acid)?

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

### Can we claim ITC on inputs used to trade R Acids (2-Naphthol-3,6-Disulphonic Acid)?

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

### How much GST applies to R Acids (2-Naphthol-3,6-Disulphonic Acid)?

Under HSN 29082025, R Acids (2-Naphthol-3,6-Disulphonic Acid) attracts Varies when sold in taxable form. Describe the exact form on the invoice.