---
title: "HSN Code for Phosphorus trichloride | HSN 28121020 GST Rate"
description: "Find HSN and GST Rates for 28121020 related to Phosphorus trichloride with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-28121020/"
---

# HSN Code 28121020: Phosphorus trichloride

- [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 2812: Halides & halide oxides of non-metals](https://busy.in/hsn/sub-chapter-2812/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Halides and halide oxides of non-metals - chlorides and chloride oxides : phosphorus trichloride | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 28121020 ?

It includes Sodium Fluorides

### How should mixed supplies be billed when Phosphorus trichloride is sold with other items?

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

### Does packaging or labelling change the GST for Phosphorus trichloride?

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.

### How much GST applies to Phosphorus trichloride?

Under HSN 28121020, Phosphorus trichloride attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Do e‑way bill and e‑invoice apply for Phosphorus trichloride?

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.

### Can we claim ITC on inputs used to trade Phosphorus trichloride?

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