HSN Code 39131010: Alginic acid, salts, esters: Sodium alginate

HSN Code 39131010 represents Alginic acid, salts, esters: Sodium alginate under GST classification. This code helps businesses identify Alginic acid, salts, esters: Sodium alginate correctly for billing, taxation, and trade. With HSN Code 39131010, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Alginic acid, salts, esters: Sodium alginate.

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Chapter Number	Chapter Name	Sub Chapter Number	Sub Chapter Name	Description of Goods	CGST (%)	SGST (%)	IGST (%)	CESS (%)
39	Plastics and articles thereof	3913	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	9%	9%	18%	0%

Description of goods

Alginic acid, its salts and esters : Sodium alginate

Chapter

39 – Plastics and articles thereof

Sub Chapter

3913 – 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

CGST 9%

SGST 9%

IGST 18%

CESS 0%

HSN Code	Description
39131090	Alginic acid, its salts and esters : Other
39139011	Other : Chemical derivatives of natural rubber: Chlorinated rubber
39139019	Other : Chemical derivatives of natural rubber: Other
39139020	Other : Hardened proteins (such as hardened casein, gelatin)
39139030	Other : Dextran
39139090	Other : Other

HSN Code 39131090

Alginic acid, its salts and esters : Other

HSN Code 39139011

Other : Chemical derivatives of natural rubber: Chlorinated rubber

HSN Code 39139019

Other : Chemical derivatives of natural rubber: Other

HSN Code 39139020

Other : Hardened proteins (such as hardened casein, gelatin)

HSN Code 39139030

Other : Dextran

HSN Code 39139090

Other : Other

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What products are classified under HSN 39131010 ?

It includes Alginic acid, salts, esters: Sodium alginate

Do e‑way bill and e‑invoice apply for Alginic acid, salts, esters: Sodium alginate?

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.

Any common misclassification issue with Alginic acid, salts, esters: Sodium alginate?

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

How should mixed supplies be billed when Alginic acid, salts, esters: Sodium alginate is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Alginic acid, salts, esters: Sodium alginate; Nil for exempt items if applicable).

Does packaging or labelling change the GST for Alginic acid, salts, esters: Sodium alginate?

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 Alginic acid, salts, esters: Sodium alginate?

Under HSN 39131010, Alginic acid, salts, esters: Sodium alginate attracts Varies when sold in taxable form. Describe the exact form on the invoice.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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