---
title: "HSN Code for Salt of Methylphosphonic Acid | HSN 29314500 GST Rate"
description: "Find HSN and GST Rates for 29314500 related to Salt of Methylphosphonic Acid with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29314500/"
---

# HSN Code 29314500: Salt of Methylphosphonic 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 2931: Other organo-inorganic compounds](https://busy.in/hsn/sub-chapter-2931/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Non-halogenated organo-phosphorous derivatives: Salt of methylphosphonic acid and (aminoimino- methyl)urea (1: 1) | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29314500 ?

It includes Salt of Methylphosphonic Acid

### How should mixed supplies be billed when Salt of Methylphosphonic Acid is sold with other items?

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

### Does packaging or labelling change the GST for Salt of Methylphosphonic Acid?

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.

### Do e‑way bill and e‑invoice apply for Salt of Methylphosphonic 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.

### Can we claim ITC on inputs used to trade Salt of Methylphosphonic Acid?

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

### Any common misclassification issue with Salt of Methylphosphonic Acid?

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