---
title: "HSN Code for Cartap hydrochloride (iso) | HSN 29252090 GST Rate"
description: "Find HSN and GST Rates for 29252090 related to Cartap hydrochloride (iso) with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-29252090/"
---

# HSN Code 29252090: Cartap hydrochloride (iso)

- [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 2925: Carboxyimide compounds](https://busy.in/hsn/sub-chapter-2925/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds - imines and their derivatives; salts thereof : other | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 29252090 ?

It includes Phosphonous dichloride,methyl-

### How should mixed supplies be billed when Cartap hydrochloride (iso) is sold with other items?

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

### How much GST applies to Cartap hydrochloride (iso)?

Under HSN 29252090, Cartap hydrochloride (iso) attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Any common misclassification issue with Cartap hydrochloride (iso)?

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

### Do e‑way bill and e‑invoice apply for Cartap hydrochloride (iso)?

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.

### Does packaging or labelling change the GST for Cartap hydrochloride (iso)?

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.