Pharmaceutical preservative manufacturers (in the shrinking set of markets still permitting mercury-based preservatives like thimerosal) and analytical reagent suppliers are the narrow remaining buyer base.
HSN code 28521000 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 28521000 covers chemically defined organic or inorganic compounds of mercury, used in specialty pharmaceutical preservatives and analytical chemistry.
As a mercury compound, this requires DGFT hazardous-chemical export clearance under Minamata Convention restrictions, with most markets now banning or severely restricting mercury preservative use in pharmaceuticals.
Related HSN Codes (Heading 2852)
Frequently Asked Questions
No. HSN 28521000 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Mercury compounds (28521000) need DGFT clearance under Minamata Convention rules - pharmaceutical preservative use (like thimerosal) is now banned or restricted in most markets.
HSN 28521000 falls under Chapter 28 and Heading 2852 of India's customs tariff schedule.
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