Welding gas suppliers (acetylene generation), calcium cyanamide fertilizer manufacturers, and steel desulfurization additive producers are major buyers of calcium carbide.
HSN code 28491000 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 28491000 covers carbides of calcium, primarily calcium carbide, used to generate acetylene gas for welding/cutting and in fertilizer (calcium cyanamide) production.
Calcium carbide reacts violently with water/moisture to release flammable acetylene gas, requiring UN 1402 hazmat classification and completely sealed, moisture-proof drum packaging.
Related HSN Codes (Heading 2849)
Frequently Asked Questions
No. HSN 28491000 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Calcium carbide (28491000) is UN 1402 - it reacts violently with moisture to release flammable acetylene gas, requiring completely sealed, moisture-proof drums.
HSN 28491000 falls under Chapter 28 and Heading 2849 of India's customs tariff schedule.
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