* Please note that Iodine CAS 7553-56-2 belongs to List I chemicals. Please guarantee the legal end-use before inquiring or purchasing from us. It has to be used for legal purpose only and any illegal divertion is prohibited. The dual-use import permits will be needed for exports to some countries. We don't export to countries such as USA, Canada, Mexico, Myanmar, Cambodia and Afghanistan etc. We reserve the rights to do end-use verification. (2025/12/03).
Iodine CAS 7553-56-2 is shiny purplish-black crystalline solid with characteristic irritating odor. It is corrosive, strong oxidizing agent. It is subject to special export control for certain destination countries. Widely used for pharmaceutical intermediates, disinfectants, feed additives, analytical reagent and fine chemical synthesis.
Product Information
CAS No.: 7553-56-2
Synonym: Iodine crystal
Chemical Formula: I₂
Molecular Weight: 253.81
UN No.: UN 2790
Hazard Class: 8 (Corrosive substance)
Packing Group: II
Regulation Status: Hazardous chemical, corrosive oxidizer. Subject to export license control when exporting to specified countries under China’s special precursor export regulation; dangerous goods declaration, UN-certified packing and inspection documents are mandatory for all export shipments.
Chemphysical Properties
Appearance Purplish-black shiny crystalline solid
Odor Irritating characteristic odor
Density (20℃) 4.93 g/cm³Melting Point 113.7 ℃
Boiling Point 184.3 ℃
Solubility Slightly soluble in water; soluble in ethanol, chloroform, ether, potassium iodide solution
Stability Strong oxidizer; avoid contact with ammonia, alkali metals, reducing agents and organic materials
Quality Specification
| Item | Specification |
|---|---|
| Iodine Assay | ≥99.8% |
| Loss on drying | ≤0.05% |
| Non-volatile matter | ≤0.02% |
| Chloride & Bromide | ≤0.005% |
| Heavy Metal (as Pb) | ≤0.001% |
| Arsenic | ≤0.0002% |
Use & Application
Disinfectant, iodine tincture and sanitizer productionFeed additive for animal nutrition
Analytical reagent for laboratory testing
Catalyst for fine chemical synthesis
Raw material for photographic chemicals and electronic materials
Packing
25kg iron drum / plastic drum with inner lining, UN certified dangerous goods packing. Custom packing acceptable with compliance approval.
Delivery & Storage
Keep container tightly sealed. Store in cool, dry, ventilated warehouse, separated from ammonia, reducing agents, organics and incompatible substances. Avoid direct sunlight. Handle with full PPE. Transport strictly follow IMDG / ADR dangerous goods rules.
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