Specialty chemical suppliers use this residual code for niche sodium sulphate salt forms used in industrial or laboratory applications.
HSN code 28331990 is classified as Free under India's DGFT ITC(HS) export policy — no export license is required.
This product may be freely exported/imported from India without a license.
HSN Code Details
HSN 28331990 is a residual code for other sodium sulphate salts not classified under the named disodium sulphate, bisulfate, or pyrosulphate subheadings.
As a residual code, customs may request the specific sulphate salt identity to confirm correct tariff classification.
Related HSN Codes (Heading 2833)
Frequently Asked Questions
No. HSN 28331990 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
28331990 (other sodium sulphates) is a residual code - specify the exact salt form for correct customs classification.
HSN 28331990 falls under Chapter 28 and Heading 2833 of India's customs tariff schedule.
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