---
title: "HSN Code for Ammonium Fluorides | HSN 28259030 GST Rate"
description: "Find HSN and GST Rates for 28259030 related to Ammonium Fluorides with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-28259030/"
---

# HSN Code 28259030: Ammonium Fluorides

- [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 2825: Hydrazine & inorganic salts](https://busy.in/hsn/sub-chapter-2825/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides - other : mercury oxides (mercuric oxide) | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 28259030 ?

It includes Cadmium Sulphide: Sulphides & Polysulphides

### Do e‑way bill and e‑invoice apply for Ammonium Fluorides?

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 much GST applies to Ammonium Fluorides?

Under HSN 28259030, Ammonium Fluorides attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Can we claim ITC on inputs used to trade Ammonium Fluorides?

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

### How should mixed supplies be billed when Ammonium Fluorides is sold with other items?

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

### Does packaging or labelling change the GST for Ammonium Fluorides?

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.