Photographic/blueprint chemical suppliers, metal heat-treatment (case hardening) companies, and specialty food additive formulators are diverse buyers of potassium ferricyanide.
HSN code 28372020 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 28372020 covers potassium ferricyanide, used in blueprint/photographic processes, metal case hardening, and as a food-grade anticaking agent additive.
Complex iron-cyanide compounds are far less toxic than free cyanide (the cyanide is tightly bound), so hazmat classification is milder than simple cyanide salts, though export documentation still notes the cyanide-complex nature.
Related HSN Codes (Heading 2837)
Frequently Asked Questions
No. HSN 28372020 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Potassium ferricyanide (28372020) has cyanide tightly bound in a complex, making it far less toxic than free cyanide salts - used in photography, metal hardening, and as a food additive anticaking agent.
HSN 28372020 falls under Chapter 28 and Heading 2837 of India's customs tariff schedule.
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