---
title: "HSN Code for Glycerophosphoric Acid | HSN 29189900 GST Rate"
description: "Find HSN and GST Rates for 29189900 related to Glycerophosphoric Acid with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29189900/"
---

# HSN Code 29189900: Glycerophosphoric 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 2918: Carboxylic acids and derivatives](https://busy.in/hsn/sub-chapter-2918/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - other — other | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29189900 ?

It includes Trimethyl phosphite

### Does packaging or labelling change the GST for Glycerophosphoric 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 Glycerophosphoric 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.

### How should mixed supplies be billed when Glycerophosphoric Acid is sold with other items?

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

### How much GST applies to Glycerophosphoric Acid?

Under HSN 29189900, Glycerophosphoric Acid attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Any common misclassification issue with Glycerophosphoric Acid?

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