Reference electrode manufacturers (calomel electrodes for pH/analytical instruments) remain one of the few legitimate remaining buyers of mercurous chloride.
HSN code 28273920 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 28273920 covers mercurous chloride (calomel), historically used in pharmaceutical and electrode applications, now largely restricted.
As a mercury compound, this requires DGFT hazardous chemical export clearance under Minamata Convention restrictions, and most markets have banned or severely restricted its use outside specialized analytical instrumentation.
Related HSN Codes (Heading 2827)
Frequently Asked Questions
No. HSN 28273920 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Mercurous chloride (28273920) needs DGFT clearance under Minamata Convention mercury restrictions - mainly limited today to analytical reference electrode manufacturing.
HSN 28273920 falls under Chapter 28 and Heading 2827 of India's customs tariff schedule.
Browse by Policy
Need to Export This Product?
Voyager Exim handles complete export documentation, licensing, and logistics from India.