HSN Code 39131010 -- – Natural polymers (for example, alginic acid) and modified natural polymers (for (GST Rate 5%)

HSN Code 39131010

Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms - alginic acid, its salts and esters :sodium alginate

HSN39131010

Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms - alginic acid, its salts and esters :sodium alginate

5%
IGST
Schedule I
CGST2.5%
SGST/UTGST2.5%
CessNil
Heading: 3913
Subheading: 391310
Source: Notification No. 9/2025 - Central Tax (Rate)
Effective from: 2025-09-22
Last verified: 2026-06-03

When does this rate apply?

Use this HSN Code on tax invoices when supplying Natural polymers (for example, alginic acid) and modified natural polymers (for . GST is charged at 5% (IGST for inter-state, or CGST 2.5% + SGST 2.5% for intra-state). If the supply is exported under LUT, the rate is zero with no IGST charged.

This page is reviewed by CA Tirumalesh. For high-value or unusual transactions, confirm with the latest CBIC notification or consult a chartered accountant before invoicing.

Frequently asked questions

What is HSN Code 39131010?
HSN Code 39131010 is the official Harmonized System of Nomenclature code for Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical der, as per the CBIC GST rate schedule.
What is the GST rate for HSN Code 39131010?
HSN Code 39131010 attracts GST at 5% (IGST). For intra-state supplies, this is split as CGST 2.5% + SGST 2.5%. As per Notification No. 9/2025 - Central Tax (Rate).
Which chapter does HSN Code 39131010 belong to?
HSN Code 39131010 falls under Chapter 39 -- Plastics and articles thereof of the GST tariff.
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