Specialty chemical suppliers use this residual code for niche double-sulphate alum compounds in water treatment or industrial applications.
HSN code 28333090 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 28333090 is a residual code for other alum (double sulphate) compounds not classified under ammonium, ferric ammonium, or potash alum.
As a residual alum code, ships as non-hazardous solid; customs may request the specific double-salt composition for tariff verification.
Related HSN Codes (Heading 2833)
Frequently Asked Questions
No. HSN 28333090 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
28333090 (other alums) is a residual non-hazardous code - customs may request the specific double-salt composition for tariff verification.
HSN 28333090 falls under Chapter 28 and Heading 2833 of India's customs tariff schedule.
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