Water treatment plants and leather tanneries (as a tanning/mordanting agent) are the main buyers of ammonium alum.
HSN code 28333010 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 28333010 covers ammonium alum, a double sulphate salt used in water treatment, leather tanning, and fireproofing textile treatments.
Ships as non-hazardous crystalline solid in standard moisture-resistant bags with no special hazmat documentation required.
Related HSN Codes (Heading 2833)
Frequently Asked Questions
No. HSN 28333010 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Ammonium alum (28333010) is non-hazardous and ships in standard bags - used in water treatment and as a traditional leather tanning/mordanting agent.
HSN 28333010 falls under Chapter 28 and Heading 2833 of India's customs tariff schedule.
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